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@@ -0,0 +1,247 @@
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README.md

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+# NV-Segment-CTMR Overview
+
+## Description:
+NV-Segment-CTMR is a specialized foundation model for 3D medical image segmentation that excels at accurate, adaptable, automatic segmentation across anatomies and modalities, including computed tomography (CT) and magnetic resonance (MR) imaging. NV-Segment-CTMR adapts to varying conditions and anatomical regions, enabling comprehensive automated annotation workflows.
+
+At the core of NV-Segment-CTMR are two automated workflows. Segment Everything enables whole-body exploration, which is crucial for understanding complex diseases affecting multiple organs and for holistic treatment planning. Segment by Class provides detailed sectional views based on specific classes, supporting targeted disease analysis or organ mapping, such as tumor identification in critical organs. 
+
+This model is for research and development only.
+
+
+## Run pipeline:
+For running the pipeline, NV-Segment-CTMR requires at least one prompt for segmentation. It supports label prompt, which is the index of the class for automatic segmentation. NV-Segment-CTMR does not support point based interactive segmentation. For interactive model, please refer to [VISTA3D](https://github.com/Project-MONAI/VISTA/tree/main/vista3ds)
+
+Here is a code snippet to showcase how to execute inference with this model.
+```python
+import os
+import tempfile
+
+import torch
+from hugging_face_pipeline import HuggingFacePipelineHelper
+
+
+FILE_PATH = os.path.dirname(__file__)
+with tempfile.TemporaryDirectory() as tmp_dir:
+    output_dir = os.path.join(tmp_dir, "output_dir")
+    pipeline_helper = HuggingFacePipelineHelper("vista3d")
+    pipeline = pipeline_helper.init_pipeline(
+        os.path.join(FILE_PATH, "vista3d_pretrained_model"),
+        device=torch.device("cuda:0"),
+    )
+    inputs = [
+        {
+            "image": "/data/Task09_Spleen/imagesTs/spleen_1.nii.gz",
+            "label_prompt": [3],
+        },
+        {
+            "image": "/data/Task09_Spleen/imagesTs/spleen_11.nii.gz",
+            "modality": 'CT_BODY',
+        },
+        {
+            "image": "/data/Task09_Spleen/imagesTs/spleen_11.nii.gz",
+            "modality": 'MRI_BODY'
+        },
+    ]
+    pipeline(inputs, output_dir=output_dir)
+
+```
+The inputs defines the image to segment and the prompt for segmentation.
+```python 
+inputs = {'image': '/data/Task09_Spleen/imagesTs/spleen_15.nii.gz', 'label_prompt':[1]}
+```
+- The inputs must include the key `image` which contain the absolute path to the nii image file, and includes prompt keys of `label_prompt`.
+- The `label_prompt` is a list of length `B`, which can perform `B` foreground objects segmentation, e.g. `[2,3,4,5]`. The full list of label definition is in `metadata.json`.
+- If no prompt is provided, user can use `modality` to use predefined class indices. Supported modality includes `CT_BODY`, `MRI_BODY`, `MRI_BRAIN`.  
+```
+Note: For brain structure segmentation, current model only support standard brain T1 images. The brain T1 images must be preprocessed with skull stripping and normalization. Follow https://github.com/junyuchen245/MIR/tree/main/tutorials/brain_MRI_preprocessing to process the brain images
+```
+
+### License/Terms of Use:
+NVIDIA OneWay Non-Commercial License for academic research purposes
+
+### Deployment Geography:
+Global
+
+### Use Case:
+Medical researchers, AI developers, and healthcare institutions are expected to use this system to perform automated medical image segmentation, conduct multi-organ analysis, and accelerate annotation workflows in research applications.
+
+### Release Date:
+Huggingface: 10/27/2025 via https://huggingface.co/NVIDIA
+
+## Reference(s):
+[1] He, Yufan, et al. "VISTA3D: A Unified Segmentation Foundation Model For 3D Medical Imaging." arXiv preprint arXiv:2406.05285. 2024. https://arxiv.org/abs/2406.05285
+
+## Model Architecture:
+**Architecture Type:** Transformer
+**Network Architecture:** SAM-like architecture for 3D medical imaging segmentation
+
+This model was developed from scratch using MONAI components.
+**Number of model parameters:** 218M
+
+## Input:
+**Input Type(s):** Image
+**Input Format(s):** Neuroimaging Informatics Technology Initiative (NIfTI)
+**Input Parameters:** Three-Dimensional (3D)
+**Other Properties Related to Input:** Supports both computed tomography (CT) and magnetic resonance (MR) imaging modalities. It also supports optional class information for targeted segmentation workflows.
+
+### Input Modalities:
+- **CT Images:** 3D computed tomography volumes
+- **MR Images:** 3D magnetic resonance volumes
+- **Class Selection:** Optional class indices for targeted segmentation workflows
+
+## Output:
+**Output Type(s):** Image
+**Output Format:** Neuroimaging Informatics Technology Initiative (NIfTI)
+**Output Parameters:** Three-Dimensional (3D)
+**Other Properties Related to Output:** Segmentation masks with up to 345+ anatomical classes, providing comprehensive organ and tissue delineation for medical imaging analysis.
+
+Our AI models are designed and/or optimized to run on NVIDIA GPU-accelerated systems. By leveraging NVIDIA's hardware (GPU cores) and software frameworks (CUDA libraries), the model achieves faster training and inference times compared to CPU-only solutions.
+
+## Software Integration:
+**Runtime Engine(s):**
+* MONAI Core v.1.5.0
+
+**Supported Hardware Microarchitecture Compatibility:**
+* NVIDIA Ampere
+* NVIDIA Hopper
+
+**Supported Operating System(s):**
+* Linux
+
+The integration of foundation and fine-tuned models into AI systems requires additional testing using use-case-specific data to ensure safe and effective deployment. Following the V-model methodology, iterative testing and validation at both unit and system levels are essential to mitigate risks, meet technical and functional requirements, and ensure compliance with safety and ethical standards before deployment.
+
+## Model Version(s):
+0.1 - Initial release version for 3D medical imaging segmentation with multi-modality support
+
+## Training, Testing, and Evaluation Datasets:
+
+### Dataset Overview:
+**Total Size:** ~31k
+**Total Number of Datasets:** 32 datasets
+
+Public datasets from multiple scanner types were processed to create standardized 3D medical imaging volumes with expert-validated anatomical segmentation masks across diverse anatomical regions and pathological conditions. The data processing pipeline ensured consistent voxel spacing, standardized orientations, and validated anatomical segmentations.
+
+## Training Dataset:
+**Data Modality:**
+* Image
+
+**Image Training Data Size:**
+* Less than a Million Images
+
+**Data Collection Method by dataset:**
+* Hybrid: Human, Automatic/Sensors
+
+**Labeling Method by dataset:**
+* Hybrid: Human, Automatic/Sensors
+
+## Testing Dataset:
+**Data Collection Method by dataset:**
+* Hybrid: Human, Automatic/Sensors
+
+**Labeling Method by dataset:**
+* Hybrid: Human, Automatic/Sensors
+
+## Evaluation Dataset:
+**Data Collection Method by dataset:**
+* Hybrid: Human, Automatic/Sensors
+
+**Labeling Method by dataset:**
+* Hybrid: Human, Automatic/Sensors
+
+## Inference:
+**Acceleration Engine:** PyTorch
+**Test Hardware:**
+* A100
+* H100
+
+## Additional Information:
+### Available Anatomical Classes (345+ total):
+NV-Segment-CTMR supports comprehensive anatomical segmentation with the following categories:
+
+**Core Organs and Systems:**
+- **Abdominal organs:** liver (1), kidney (2), spleen (3), pancreas (4), gallbladder (10), stomach (12), bladder (15), colon (62)
+- **Cardiovascular:** heart (115), aorta (6), inferior vena cava (7), superior vena cava (125), portal and splenic veins (17)
+- **Respiratory:** lung (20), trachea (57), airway (132), individual lung lobes (28-32)
+- **Neurological:** brain (22), spinal cord (121), complete brain structures (214-345)
+
+**Skeletal System:**
+- **Spine:** Complete vertebral column from C1-S1 (33-56, 127)
+- **Thoracic:** Bilateral ribs 1-12 (63-86), sternum (122), costal cartilages (114)
+- **Appendicular:** Bilateral long bones, joints, and extremities (87-96)
+
+**Detailed Brain Segmentation:**
+Comprehensive brain parcellation including ventricles, cortical regions, subcortical structures, and specialized brain areas (214-345) based on neuroanatomical atlases.
+
+**Pathological Structures:**
+- **Tumors:** lung tumor (23), pancreatic tumor (24), hepatic tumor (26), brain tumor (176)
+- **Cancer:** colon cancer primaries (27)
+- **Lesions:** bone lesion (128)
+- **Cysts:** bilateral kidney cysts (116-117)
+- **Note:** We recommend the `NV-Segment-CT` model for better tumor performance. 
+
+**Specialized Regions:**
+- **Head and neck:** detailed facial structures, sensory organs, and cranial anatomy (172-213)
+- **Cardiac:** heart chambers, major vessels, and cardiac-specific structures (108, 149-155)
+- **Reproductive:** prostate zones (118, 147-148), uterocervix (161), gonads (160)
+
+*Complete numerical mapping and deprecated classes available in model documentation.*
+
+## Ethical Considerations:
+NVIDIA believes Trustworthy AI is a shared responsibility and we have established policies and practices to enable development for a wide array of AI applications. When downloaded or used in accordance with our terms of service, developers should work with their internal model team to ensure this model meets requirements for the relevant industry and use case and addresses unforeseen product misuse. Please make sure you have proper rights and permissions for all input image and video content; if image or video includes people, personal health information, or intellectual property, the image or video generated will not blur or maintain proportions of image subjects included.
+
+Please report model quality, risk, security vulnerabilities or concerns [here](https://www.nvidia.com/en-us/support/submit-security-vulnerability/).

data_license.txt

@@ -0,0 +1,6 @@
+Third Party Licenses
+-----------------------------------------------------------------------
+
+/*********************************************************************/
+i. Medical Segmentation Decathlon
+   http://medicaldecathlon.com/

hugging_face_pipeline.py

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+from transformers import pipeline
+from vista3d_config import VISTA3DConfig
+from vista3d_model import VISTA3DModel, register_my_model
+from vista3d_pipeline import VISTA3DPipeline, register_simple_pipeline
+
+
+class HuggingFacePipelineHelper:
+
+    def __init__(self, pipeline_name: str = "vista3d"):
+        self.pipeline_name = pipeline_name
+
+    def __model_register(self):
+        register_my_model()
+
+    def __pipeline_register(self):
+        register_simple_pipeline()
+
+    def get_pipeline(self):
+        self.__model_register()
+        self.__pipeline_register()
+        return pipeline(self.pipeline_name)
+
+    def _update_config(self, config, config_dict):
+        if config_dict:
+            for key in config_dict:
+                if hasattr(config, key) and getattr(config, key) != config_dict[key]:
+                    setattr(config, key, config_dict[key])
+        return config
+
+    def init_pipeline(self, pretrained_model_name_or_path: str, **kwargs):
+        config = VISTA3DConfig()
+        config_dict = kwargs.pop("config_dict", None)
+        self._update_config(config, config_dict)
+        model = VISTA3DModel(config)
+        model = model.from_pretrained(
+            pretrained_model_name_or_path=pretrained_model_name_or_path
+        )
+        return VISTA3DPipeline(model, **kwargs)

metadata.json

@@ -0,0 +1,750 @@
+{
+    "schema": "https://github.com/Project-MONAI/MONAI-extra-test-data/releases/download/0.8.1/meta_schema_20240725.json",
+    "version": "0.0.1",
+    "changelog": {
+        "0.0.1": "NV-Segment-CTMR initial commit"
+    },
+    "monai_version": "1.4.0",
+    "pytorch_version": "2.4.0",
+    "numpy_version": "1.24.4",
+    "required_packages_version": {
+        "matplotlib": "3.9.1",
+        "einops": "0.7.0",
+        "scikit-image": "0.23.2",
+        "nibabel": "5.2.1",
+        "pytorch-ignite": "0.4.11",
+        "cucim-cu12": "24.6.0",
+        "mlflow": "2.17.2",
+        "tensorboard": "2.17.0"
+    },
+    "supported_apps": {
+        "vista3d-nim": ""
+    },
+    "name": "VISTA-3D: Versatile Imaging SegmenTation and Annotation",
+    "task": "Multi-organ Segmentation in CT Scans with Zero-shot Learning",
+    "description": "A 3D segmentation model that processes 128x128x128 pixel patches from CT scans to identify and delineate over 130 anatomical structures. The model employs zero-shot learning capabilities to adapt to new anatomical targets without retraining, supporting comprehensive volumetric analysis of organs, bones, muscles, and pathological findings.",
+    "authors": "MONAI team",
+    "copyright": "Copyright (c) MONAI Consortium",
+    "data_source": "Task09_Spleen.tar from http://medicaldecathlon.com/",
+    "data_type": "nibabel",
+    "image_classes": "1 channel data, intensity scaled to [0, 1]",
+    "label_classes": "single channel data",
+    "pred_classes": "2 channels OneHot data",
+    "intended_use": "This is an example, not to be used for diagnostic purposes",
+    "references": [],
+    "network_data_format": {
+        "inputs": {
+            "image": {
+                "type": "image",
+                "format": "hounsfield",
+                "modality": ["CT", "MRI"],
+                "num_channels": 1,
+                "spatial_shape": [
+                    192,
+                    192,
+                    128
+                ],
+                "dtype": "float32",
+                "value_range": [
+                    0,
+                    1
+                ],
+                "is_patch_data": true,
+                "channel_def": {
+                    "0": "image"
+                }
+            }
+        },
+        "outputs": {
+            "pred": {
+                "type": "image",
+                "format": "segmentation",
+                "num_channels": 1,
+                "spatial_shape": [
+                    192,
+                    192,
+                    128
+                ],
+                "dtype": "float32",
+                "value_range": [
+                    0,
+                    1
+                ],
+                "is_patch_data": true,
+                "channel_def": {
+                    "0": "background",
+                    "1": "liver",
+                    "2": "kidney",
+                    "3": "spleen",
+                    "4": "pancreas",
+                    "5": "right kidney",
+                    "6": "aorta",
+                    "7": "inferior vena cava",
+                    "8": "right adrenal gland",
+                    "9": "left adrenal gland",
+                    "10": "gallbladder",
+                    "11": "esophagus",
+                    "12": "stomach",
+                    "13": "duodenum",
+                    "14": "left kidney",
+                    "15": "bladder",
+                    "16": "prostate or uterus (deprecated)",
+                    "17": "portal vein and splenic vein",
+                    "18": "rectum",
+                    "19": "small bowel",
+                    "20": "lung",
+                    "21": "bone",
+                    "22": "brain",
+                    "23": "lung tumor",
+                    "24": "pancreatic tumor",
+                    "25": "hepatic vessel",
+                    "26": "hepatic tumor",
+                    "27": "colon cancer primaries",
+                    "28": "left lung upper lobe",
+                    "29": "left lung lower lobe",
+                    "30": "right lung upper lobe",
+                    "31": "right lung middle lobe",
+                    "32": "right lung lower lobe",
+                    "33": "vertebrae L5",
+                    "34": "vertebrae L4",
+                    "35": "vertebrae L3",
+                    "36": "vertebrae L2",
+                    "37": "vertebrae L1",
+                    "38": "vertebrae T12",
+                    "39": "vertebrae T11",
+                    "40": "vertebrae T10",
+                    "41": "vertebrae T9",
+                    "42": "vertebrae T8",
+                    "43": "vertebrae T7",
+                    "44": "vertebrae T6",
+                    "45": "vertebrae T5",
+                    "46": "vertebrae T4",
+                    "47": "vertebrae T3",
+                    "48": "vertebrae T2",
+                    "49": "vertebrae T1",
+                    "50": "vertebrae C7",
+                    "51": "vertebrae C6",
+                    "52": "vertebrae C5",
+                    "53": "vertebrae C4",
+                    "54": "vertebrae C3",
+                    "55": "vertebrae C2",
+                    "56": "vertebrae C1",
+                    "57": "trachea",
+                    "58": "left iliac artery",
+                    "59": "right iliac artery",
+                    "60": "left iliac vena",
+                    "61": "right iliac vena",
+                    "62": "colon",
+                    "63": "left rib 1",
+                    "64": "left rib 2",
+                    "65": "left rib 3",
+                    "66": "left rib 4",
+                    "67": "left rib 5",
+                    "68": "left rib 6",
+                    "69": "left rib 7",
+                    "70": "left rib 8",
+                    "71": "left rib 9",
+                    "72": "left rib 10",
+                    "73": "left rib 11",
+                    "74": "left rib 12",
+                    "75": "right rib 1",
+                    "76": "right rib 2",
+                    "77": "right rib 3",
+                    "78": "right rib 4",
+                    "79": "right rib 5",
+                    "80": "right rib 6",
+                    "81": "right rib 7",
+                    "82": "right rib 8",
+                    "83": "right rib 9",
+                    "84": "right rib 10",
+                    "85": "right rib 11",
+                    "86": "right rib 12",
+                    "87": "left humerus",
+                    "88": "right humerus",
+                    "89": "left scapula",
+                    "90": "right scapula",
+                    "91": "left clavicula",
+                    "92": "right clavicula",
+                    "93": "left femur",
+                    "94": "right femur",
+                    "95": "left hip",
+                    "96": "right hip",
+                    "97": "sacrum",
+                    "98": "left gluteus maximus",
+                    "99": "right gluteus maximus",
+                    "100": "left gluteus medius",
+                    "101": "right gluteus medius",
+                    "102": "left gluteus minimus",
+                    "103": "right gluteus minimus",
+                    "104": "left autochthon",
+                    "105": "right autochthon",
+                    "106": "left iliopsoas",
+                    "107": "right iliopsoas",
+                    "108": "left atrial appendage",
+                    "109": "brachiocephalic trunk",
+                    "110": "left brachiocephalic vein",
+                    "111": "right brachiocephalic vein",
+                    "112": "left common carotid artery",
+                    "113": "right common carotid artery",
+                    "114": "costal cartilages",
+                    "115": "heart",
+                    "116": "left kidney cyst",
+                    "117": "right kidney cyst",
+                    "118": "prostate",
+                    "119": "pulmonary vein",
+                    "120": "skull",
+                    "121": "spinal cord",
+                    "122": "sternum",
+                    "123": "left subclavian artery",
+                    "124": "right subclavian artery",
+                    "125": "superior vena cava",
+                    "126": "thyroid gland",
+                    "127": "vertebrae S1",
+                    "128": "bone lesion",
+                    "129": "kidney mass (deprecated)",
+                    "130": "liver tumor (deprecated)",
+                    "131": "vertebrae L6 (deprecated)",
+                    "132": "airway",
+                    "133": "fibula (deprecated)",
+                    "134": "intervertebral discs",
+                    "135": "left lung",
+                    "136": "right lung",
+                    "137": "left quadriceps femoris (deprecated)",
+                    "138": "right quadriceps femoris (deprecated)",
+                    "139": "left sartorius (deprecated)",
+                    "140": "right sartorius (deprecated)",
+                    "141": "left thigh medial compartment (deprecated)",
+                    "142": "right thigh medial compartment (deprecated)",
+                    "143": "left thigh posterior compartment (deprecated)",
+                    "144": "right thigh posterior compartment (deprecated)",
+                    "145": "tibia (deprecated)",
+                    "146": "vertebrae",
+                    "147": "prostate transitional zone",
+                    "148": "prostate peripheral zone",
+                    "149": "left atrium",
+                    "150": "white matter hyperintensity",
+                    "151": "left ventricle",
+                    "152": "right ventricle",
+                    "153": "right atrium",
+                    "154": "left ventricle myocardium",
+                    "155": "ascending aorta (deprecated)",
+                    "156": "muscles",
+                    "157": "fat",
+                    "158": "abdominal tissue",
+                    "159": "mediastinal tissue",
+                    "160": "gonads",
+                    "161": "uterocervix",
+                    "162": "uterus (deprecated)",
+                    "163": "breast left",
+                    "164": "breast right",
+                    "165": "thyroid left",
+                    "166": "thyroid right",
+                    "167": "thymus",
+                    "168": "skin",
+                    "169": "heart tissue",
+                    "170": "celiac trunk",
+                    "171": "pulmonary artery",
+                    "172": "cheek left",
+                    "173": "cheek right",
+                    "174": "eyeball left",
+                    "175": "eyeball right",
+                    "176": "brain tumor",
+                    "177": "chiasm",
+                    "178": "left temporal lobe",
+                    "179": "right temporal lobe",
+                    "180": "left eye",
+                    "181": "right eye",
+                    "182": "left lens",
+                    "183": "right lens",
+                    "184": "left optic nerve",
+                    "185": "right optic nerve",
+                    "186": "left middle ear",
+                    "187": "right middle ear",
+                    "188": "left internal auditory canal",
+                    "189": "right internal auditory canal",
+                    "190": "left tympanic cavity",
+                    "191": "right tympanic cavity",
+                    "192": "left vestibular semicircular canals",
+                    "193": "right vestibular semicircular canals",
+                    "194": "left cochlea",
+                    "195": "right cochlea",
+                    "196": "left ethmoid bone",
+                    "197": "right ethmoid bone",
+                    "198": "pituitary",
+                    "199": "oral cavity",
+                    "200": "left mandible",
+                    "201": "right mandible",
+                    "202": "left submandibular",
+                    "203": "right submandibular",
+                    "204": "left parotid",
+                    "205": "right parotid",
+                    "206": "left mastoid",
+                    "207": "right mastoid",
+                    "208": "left temporomandibular joint",
+                    "209": "right temporomandibular joint",
+                    "210": "larynx",
+                    "211": "larynx glottic",
+                    "212": "larynx supraglot",
+                    "213": "pharynxConst",
+                    "214": "3rd-Ventricle",
+                    "215": "4th-Ventricle",
+                    "216": "Right-Accumbens-Area",
+                    "217": "Left-Accumbens-Area",
+                    "218": "Right-Amygdala",
+                    "219": "Left-Amygdala",
+                    "220": "Brain-Stem",
+                    "221": "Right-Caudate",
+                    "222": "Left-Caudate",
+                    "223": "Right-Cerebellum-Exterior",
+                    "224": "Left-Cerebellum-Exterior",
+                    "225": "Right-Cerebellum-White-Matter",
+                    "226": "Left-Cerebellum-White-Matter",
+                    "227": "Right-Cerebral-White-Matter",
+                    "228": "Left-Cerebral-White-Matter",
+                    "229": "Right-Hippocampus",
+                    "230": "Left-Hippocampus",
+                    "231": "Right-Inf-Lat-Vent",
+                    "232": "Left-Inf-Lat-Vent",
+                    "233": "Right-Lateral-Ventricle",
+                    "234": "Left-Lateral-Ventricle",
+                    "235": "Right-Pallidum",
+                    "236": "Left-Pallidum",
+                    "237": "Right-Putamen",
+                    "238": "Left-Putamen",
+                    "239": "Right-Thalamus-Proper",
+                    "240": "Left-Thalamus-Proper",
+                    "241": "Right-Ventral-DC",
+                    "242": "Left-Ventral-DC",
+                    "243": "Cerebellar-Vermal-Lobules-I-V",
+                    "244": "Cerebellar-Vermal-Lobules-VI-VII",
+                    "245": "Cerebellar-Vermal-Lobules-VIII-X",
+                    "246": "Left-Basal-Forebrain",
+                    "247": "Right-Basal-Forebrain",
+                    "248": "Right-ACgG--anterior-cingulate-gyrus",
+                    "249": "Left-ACgG--anterior-cingulate-gyrus",
+                    "250": "Right-AIns--anterior-insula",
+                    "251": "Left-AIns--anterior-insula",
+                    "252": "Right-AOrG--anterior-orbital-gyrus",
+                    "253": "Left-AOrG--anterior-orbital-gyrus",
+                    "254": "Right-AnG---angular-gyrus",
+                    "255": "Left-AnG---angular-gyrus",
+                    "256": "Right-Calc--calcarine-cortex",
+                    "257": "Left-Calc--calcarine-cortex",
+                    "258": "Right-CO----central-operculum",
+                    "259": "Left-CO----central-operculum",
+                    "260": "Right-Cun---cuneus",
+                    "261": "Left-Cun---cuneus",
+                    "262": "Right-Ent---entorhinal-area",
+                    "263": "Left-Ent---entorhinal-area",
+                    "264": "Right-FO----frontal-operculum",
+                    "265": "Left-FO----frontal-operculum",
+                    "266": "Right-FRP---frontal-pole",
+                    "267": "Left-FRP---frontal-pole",
+                    "268": "Right-FuG---fusiform-gyrus",
+                    "269": "Left-FuG---fusiform-gyrus",
+                    "270": "Right-GRe---gyrus-rectus",
+                    "271": "Left-GRe---gyrus-rectus",
+                    "272": "Right-IOG---inferior-occipital-gyrus",
+                    "273": "Left-IOG---inferior-occipital-gyrus",
+                    "274": "Right-ITG---inferior-temporal-gyrus",
+                    "275": "Left-ITG---inferior-temporal-gyrus",
+                    "276": "Right-LiG---lingual-gyrus",
+                    "277": "Left-LiG---lingual-gyrus",
+                    "278": "Right-LOrG--lateral-orbital-gyrus",
+                    "279": "Left-LOrG--lateral-orbital-gyrus",
+                    "280": "Right-MCgG--middle-cingulate-gyrus",
+                    "281": "Left-MCgG--middle-cingulate-gyrus",
+                    "282": "Right-MFC---medial-frontal-cortex",
+                    "283": "Left-MFC---medial-frontal-cortex",
+                    "284": "Right-MFG---middle-frontal-gyrus",
+                    "285": "Left-MFG---middle-frontal-gyrus",
+                    "286": "Right-MOG---middle-occipital-gyrus",
+                    "287": "Left-MOG---middle-occipital-gyrus",
+                    "288": "Right-MOrG--medial-orbital-gyrus",
+                    "289": "Left-MOrG--medial-orbital-gyrus",
+                    "290": "Right-MPoG--postcentral-gyrus",
+                    "291": "Left-MPoG--postcentral-gyrus",
+                    "292": "Right-MPrG--precentral-gyrus",
+                    "293": "Left-MPrG--precentral-gyrus",
+                    "294": "Right-MSFG--superior-frontal-gyrus",
+                    "295": "Left-MSFG--superior-frontal-gyrus",
+                    "296": "Right-MTG---middle-temporal-gyrus",
+                    "297": "Left-MTG---middle-temporal-gyrus",
+                    "298": "Right-OCP---occipital-pole",
+                    "299": "Left-OCP---occipital-pole",
+                    "300": "Right-OFuG--occipital-fusiform-gyrus",
+                    "301": "Left-OFuG--occipital-fusiform-gyrus",
+                    "302": "Right-OpIFG-opercular-part-of-the-IFG",
+                    "303": "Left-OpIFG-opercular-part-of-the-IFG",
+                    "304": "Right-OrIFG-orbital-part-of-the-IFG",
+                    "305": "Left-OrIFG-orbital-part-of-the-IFG",
+                    "306": "Right-PCgG--posterior-cingulate-gyrus",
+                    "307": "Left-PCgG--posterior-cingulate-gyrus",
+                    "308": "Right-PCu---precuneus",
+                    "309": "Left-PCu---precuneus",
+                    "310": "Right-PHG---parahippocampal-gyrus",
+                    "311": "Left-PHG---parahippocampal-gyrus",
+                    "312": "Right-PIns--posterior-insula",
+                    "313": "Left-PIns--posterior-insula",
+                    "314": "Right-PO----parietal-operculum",
+                    "315": "Left-PO----parietal-operculum",
+                    "316": "Right-PoG---postcentral-gyrus",
+                    "317": "Left-PoG---postcentral-gyrus",
+                    "318": "Right-POrG--posterior-orbital-gyrus",
+                    "319": "Left-POrG--posterior-orbital-gyrus",
+                    "320": "Right-PP----planum-polare",
+                    "321": "Left-PP----planum-polare",
+                    "322": "Right-PrG---precentral-gyrus",
+                    "323": "Left-PrG---precentral-gyrus",
+                    "324": "Right-PT----planum-temporale",
+                    "325": "Left-PT----planum-temporale",
+                    "326": "Right-SCA---subcallosal-area",
+                    "327": "Left-SCA---subcallosal-area",
+                    "328": "Right-SFG---superior-frontal-gyrus",
+                    "329": "Left-SFG---superior-frontal-gyrus",
+                    "330": "Right-SMC---supplementary-motor-cortex",
+                    "331": "Left-SMC---supplementary-motor-cortex",
+                    "332": "Right-SMG---supramarginal-gyrus",
+                    "333": "Left-SMG---supramarginal-gyrus",
+                    "334": "Right-SOG---superior-occipital-gyrus",
+                    "335": "Left-SOG---superior-occipital-gyrus",
+                    "336": "Right-SPL---superior-parietal-lobule",
+                    "337": "Left-SPL---superior-parietal-lobule",
+                    "338": "Right-STG---superior-temporal-gyrus",
+                    "339": "Left-STG---superior-temporal-gyrus",
+                    "340": "Right-TMP---temporal-pole",
+                    "341": "Left-TMP---temporal-pole",
+                    "342": "Right-TrIFG-triangular-part-of-the-IFG",
+                    "343": "Left-TrIFG-triangular-part-of-the-IFG",
+                    "344": "Right-TTG---transverse-temporal-gyrus",
+                    "345": "Left-TTG---transverse-temporal-gyrus"
+                }
+            }
+        },
+        "everything_labels": {
+            "CT_BODY": {
+                "0": "background",
+                "1": "liver",
+                "2": "kidney",
+                "3": "spleen",
+                "4": "pancreas",
+                "5": "right kidney",
+                "6": "aorta",
+                "7": "inferior vena cava",
+                "8": "right adrenal gland",
+                "9": "left adrenal gland",
+                "10": "gallbladder",
+                "11": "esophagus",
+                "12": "stomach",
+                "13": "duodenum",
+                "14": "left kidney",
+                "15": "bladder",
+                "16": "prostate or uterus",
+                "17": "portal vein and splenic vein",
+                "18": "rectum",
+                "19": "small bowel",
+                "20": "lung",
+                "21": "bone",
+                "22": "brain",
+                "23": "lung tumor",
+                "24": "pancreatic tumor",
+                "25": "hepatic vessel",
+                "26": "hepatic tumor",
+                "27": "colon cancer primaries",
+                "28": "left lung upper lobe",
+                "29": "left lung lower lobe",
+                "30": "right lung upper lobe",
+                "31": "right lung middle lobe",
+                "32": "right lung lower lobe",
+                "33": "vertebrae L5",
+                "34": "vertebrae L4",
+                "35": "vertebrae L3",
+                "36": "vertebrae L2",
+                "37": "vertebrae L1",
+                "38": "vertebrae T12",
+                "39": "vertebrae T11",
+                "40": "vertebrae T10",
+                "41": "vertebrae T9",
+                "42": "vertebrae T8",
+                "43": "vertebrae T7",
+                "44": "vertebrae T6",
+                "45": "vertebrae T5",
+                "46": "vertebrae T4",
+                "47": "vertebrae T3",
+                "48": "vertebrae T2",
+                "49": "vertebrae T1",
+                "50": "vertebrae C7",
+                "51": "vertebrae C6",
+                "52": "vertebrae C5",
+                "53": "vertebrae C4",
+                "54": "vertebrae C3",
+                "55": "vertebrae C2",
+                "56": "vertebrae C1",
+                "57": "trachea",
+                "58": "left iliac artery",
+                "59": "right iliac artery",
+                "60": "left iliac vena",
+                "61": "right iliac vena",
+                "62": "colon",
+                "63": "left rib 1",
+                "64": "left rib 2",
+                "65": "left rib 3",
+                "66": "left rib 4",
+                "67": "left rib 5",
+                "68": "left rib 6",
+                "69": "left rib 7",
+                "70": "left rib 8",
+                "71": "left rib 9",
+                "72": "left rib 10",
+                "73": "left rib 11",
+                "74": "left rib 12",
+                "75": "right rib 1",
+                "76": "right rib 2",
+                "77": "right rib 3",
+                "78": "right rib 4",
+                "79": "right rib 5",
+                "80": "right rib 6",
+                "81": "right rib 7",
+                "82": "right rib 8",
+                "83": "right rib 9",
+                "84": "right rib 10",
+                "85": "right rib 11",
+                "86": "right rib 12",
+                "87": "left humerus",
+                "88": "right humerus",
+                "89": "left scapula",
+                "90": "right scapula",
+                "91": "left clavicula",
+                "92": "right clavicula",
+                "93": "left femur",
+                "94": "right femur",
+                "95": "left hip",
+                "96": "right hip",
+                "97": "sacrum",
+                "98": "left gluteus maximus",
+                "99": "right gluteus maximus",
+                "100": "left gluteus medius",
+                "101": "right gluteus medius",
+                "102": "left gluteus minimus",
+                "103": "right gluteus minimus",
+                "104": "left autochthon",
+                "105": "right autochthon",
+                "106": "left iliopsoas",
+                "107": "right iliopsoas",
+                "108": "left atrial appendage",
+                "109": "brachiocephalic trunk",
+                "110": "left brachiocephalic vein",
+                "111": "right brachiocephalic vein",
+                "112": "left common carotid artery",
+                "113": "right common carotid artery",
+                "114": "costal cartilages",
+                "115": "heart",
+                "116": "left kidney cyst",
+                "117": "right kidney cyst",
+                "118": "prostate",
+                "119": "pulmonary vein",
+                "120": "skull",
+                "121": "spinal cord",
+                "122": "sternum",
+                "123": "left subclavian artery",
+                "124": "right subclavian artery",
+                "125": "superior vena cava",
+                "126": "thyroid gland",
+                "127": "vertebrae S1",
+                "128": "bone lesion",
+                "129": "kidney mass",
+                "130": "liver tumor",
+                "131": "vertebrae L6",
+                "132": "airway"
+            },
+            "MRI_BODY": {
+                "0": "background",
+                "9": "left adrenal gland",
+                "8": "right adrenal gland",
+                "6": "aorta",
+                "104": "left autochthon",
+                "105": "right autochthon",
+                "22": "brain",
+                "91": "left clavicula",
+                "92": "right clavicula",
+                "62": "colon",
+                "13": "duodenum",
+                "11": "esophagus",
+                "93": "left femur",
+                "94": "right femur",
+                "10": "gallbladder",
+                "98": "left gluteus maximus",
+                "99": "right gluteus maximus",
+                "100": "left gluteus medius",
+                "101": "right gluteus medius",
+                "102": "left gluteus minimus",
+                "103": "right gluteus minimus",
+                "115": "heart",
+                "95": "left hip",
+                "96": "right hip",
+                "87": "left humerus",
+                "88": "right humerus",
+                "58": "left iliac artery",
+                "59": "right iliac artery",
+                "60": "left iliac vena",
+                "61": "right iliac vena",
+                "106": "left iliopsoas",
+                "107": "right iliopsoas",
+                "7": "inferior vena cava",
+                "134": "intervertebral discs",
+                "14": "left kidney",
+                "5": "right kidney",
+                "1": "liver",
+                "135": "left lung",
+                "136": "right lung",
+                "4": "pancreas",
+                "17": "portal vein and splenic vein",
+                "118": "prostate",
+                "97": "sacrum",
+                "89": "left scapula",
+                "90": "right scapula",
+                "19": "small bowel",
+                "121": "spinal cord",
+                "3": "spleen",
+                "12": "stomach",
+                "15": "bladder",
+                "146": "vertebrae"
+            },
+            "MRI_BRAIN": {
+                "0": "background",
+                "214": "3rd-Ventricle",
+                "215": "4th-Ventricle",
+                "216": "Right-Accumbens-Area",
+                "217": "Left-Accumbens-Area",
+                "218": "Right-Amygdala",
+                "219": "Left-Amygdala",
+                "220": "Brain-Stem",
+                "221": "Right-Caudate",
+                "222": "Left-Caudate",
+                "223": "Right-Cerebellum-Exterior",
+                "224": "Left-Cerebellum-Exterior",
+                "225": "Right-Cerebellum-White-Matter",
+                "226": "Left-Cerebellum-White-Matter",
+                "227": "Right-Cerebral-White-Matter",
+                "228": "Left-Cerebral-White-Matter",
+                "229": "Right-Hippocampus",
+                "230": "Left-Hippocampus",
+                "231": "Right-Inf-Lat-Vent",
+                "232": "Left-Inf-Lat-Vent",
+                "233": "Right-Lateral-Ventricle",
+                "234": "Left-Lateral-Ventricle",
+                "235": "Right-Pallidum",
+                "236": "Left-Pallidum",
+                "237": "Right-Putamen",
+                "238": "Left-Putamen",
+                "239": "Right-Thalamus-Proper",
+                "240": "Left-Thalamus-Proper",
+                "241": "Right-Ventral-DC",
+                "242": "Left-Ventral-DC",
+                "243": "Cerebellar-Vermal-Lobules-I-V",
+                "244": "Cerebellar-Vermal-Lobules-VI-VII",
+                "245": "Cerebellar-Vermal-Lobules-VIII-X",
+                "246": "Left-Basal-Forebrain",
+                "247": "Right-Basal-Forebrain",
+                "248": "Right-ACgG--anterior-cingulate-gyrus",
+                "249": "Left-ACgG--anterior-cingulate-gyrus",
+                "250": "Right-AIns--anterior-insula",
+                "251": "Left-AIns--anterior-insula",
+                "252": "Right-AOrG--anterior-orbital-gyrus",
+                "253": "Left-AOrG--anterior-orbital-gyrus",
+                "254": "Right-AnG---angular-gyrus",
+                "255": "Left-AnG---angular-gyrus",
+                "256": "Right-Calc--calcarine-cortex",
+                "257": "Left-Calc--calcarine-cortex",
+                "258": "Right-CO----central-operculum",
+                "259": "Left-CO----central-operculum",
+                "260": "Right-Cun---cuneus",
+                "261": "Left-Cun---cuneus",
+                "262": "Right-Ent---entorhinal-area",
+                "263": "Left-Ent---entorhinal-area",
+                "264": "Right-FO----frontal-operculum",
+                "265": "Left-FO----frontal-operculum",
+                "266": "Right-FRP---frontal-pole",
+                "267": "Left-FRP---frontal-pole",
+                "268": "Right-FuG---fusiform-gyrus",
+                "269": "Left-FuG---fusiform-gyrus",
+                "270": "Right-GRe---gyrus-rectus",
+                "271": "Left-GRe---gyrus-rectus",
+                "272": "Right-IOG---inferior-occipital-gyrus",
+                "273": "Left-IOG---inferior-occipital-gyrus",
+                "274": "Right-ITG---inferior-temporal-gyrus",
+                "275": "Left-ITG---inferior-temporal-gyrus",
+                "276": "Right-LiG---lingual-gyrus",
+                "277": "Left-LiG---lingual-gyrus",
+                "278": "Right-LOrG--lateral-orbital-gyrus",
+                "279": "Left-LOrG--lateral-orbital-gyrus",
+                "280": "Right-MCgG--middle-cingulate-gyrus",
+                "281": "Left-MCgG--middle-cingulate-gyrus",
+                "282": "Right-MFC---medial-frontal-cortex",
+                "283": "Left-MFC---medial-frontal-cortex",
+                "284": "Right-MFG---middle-frontal-gyrus",
+                "285": "Left-MFG---middle-frontal-gyrus",
+                "286": "Right-MOG---middle-occipital-gyrus",
+                "287": "Left-MOG---middle-occipital-gyrus",
+                "288": "Right-MOrG--medial-orbital-gyrus",
+                "289": "Left-MOrG--medial-orbital-gyrus",
+                "290": "Right-MPoG--postcentral-gyrus",
+                "291": "Left-MPoG--postcentral-gyrus",
+                "292": "Right-MPrG--precentral-gyrus",
+                "293": "Left-MPrG--precentral-gyrus",
+                "294": "Right-MSFG--superior-frontal-gyrus",
+                "295": "Left-MSFG--superior-frontal-gyrus",
+                "296": "Right-MTG---middle-temporal-gyrus",
+                "297": "Left-MTG---middle-temporal-gyrus",
+                "298": "Right-OCP---occipital-pole",
+                "299": "Left-OCP---occipital-pole",
+                "300": "Right-OFuG--occipital-fusiform-gyrus",
+                "301": "Left-OFuG--occipital-fusiform-gyrus",
+                "302": "Right-OpIFG-opercular-part-of-the-IFG",
+                "303": "Left-OpIFG-opercular-part-of-the-IFG",
+                "304": "Right-OrIFG-orbital-part-of-the-IFG",
+                "305": "Left-OrIFG-orbital-part-of-the-IFG",
+                "306": "Right-PCgG--posterior-cingulate-gyrus",
+                "307": "Left-PCgG--posterior-cingulate-gyrus",
+                "308": "Right-PCu---precuneus",
+                "309": "Left-PCu---precuneus",
+                "310": "Right-PHG---parahippocampal-gyrus",
+                "311": "Left-PHG---parahippocampal-gyrus",
+                "312": "Right-PIns--posterior-insula",
+                "313": "Left-PIns--posterior-insula",
+                "314": "Right-PO----parietal-operculum",
+                "315": "Left-PO----parietal-operculum",
+                "316": "Right-PoG---postcentral-gyrus",
+                "317": "Left-PoG---postcentral-gyrus",
+                "318": "Right-POrG--posterior-orbital-gyrus",
+                "319": "Left-POrG--posterior-orbital-gyrus",
+                "320": "Right-PP----planum-polare",
+                "321": "Left-PP----planum-polare",
+                "322": "Right-PrG---precentral-gyrus",
+                "323": "Left-PrG---precentral-gyrus",
+                "324": "Right-PT----planum-temporale",
+                "325": "Left-PT----planum-temporale",
+                "326": "Right-SCA---subcallosal-area",
+                "327": "Left-SCA---subcallosal-area",
+                "328": "Right-SFG---superior-frontal-gyrus",
+                "329": "Left-SFG---superior-frontal-gyrus",
+                "330": "Right-SMC---supplementary-motor-cortex",
+                "331": "Left-SMC---supplementary-motor-cortex",
+                "332": "Right-SMG---supramarginal-gyrus",
+                "333": "Left-SMG---supramarginal-gyrus",
+                "334": "Right-SOG---superior-occipital-gyrus",
+                "335": "Left-SOG---superior-occipital-gyrus",
+                "336": "Right-SPL---superior-parietal-lobule",
+                "337": "Left-SPL---superior-parietal-lobule",
+                "338": "Right-STG---superior-temporal-gyrus",
+                "339": "Left-STG---superior-temporal-gyrus",
+                "340": "Right-TMP---temporal-pole",
+                "341": "Left-TMP---temporal-pole",
+                "342": "Right-TrIFG-triangular-part-of-the-IFG",
+                "343": "Left-TrIFG-triangular-part-of-the-IFG",
+                "344": "Right-TTG---transverse-temporal-gyrus",
+                "345": "Left-TTG---transverse-temporal-gyrus"
+            }
+        }
+    }
+}

scripts/__init__.py

@@ -0,0 +1,15 @@
+# Copyright (c) MONAI Consortium
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#     http://www.apache.org/licenses/LICENSE-2.0
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# from .evaluator import EnsembleEvaluator, Evaluator, SupervisedEvaluator
+# from .multi_gpu_supervised_trainer import create_multigpu_supervised_evaluator, create_multigpu_supervised_trainer
+
+from .early_stop_score_function import score_function

scripts/early_stop_score_function.py

@@ -0,0 +1,15 @@
+import os
+
+import torch
+import torch.distributed as dist
+
+
+def score_function(engine):
+    val_metric = engine.state.metrics["val_mean_dice"]
+    if dist.is_initialized():
+        device = torch.device("cuda:" + os.environ["LOCAL_RANK"])
+        val_metric = torch.tensor([val_metric]).to(device)
+        dist.all_reduce(val_metric, op=dist.ReduceOp.SUM)
+        val_metric /= dist.get_world_size()
+        return val_metric.item()
+    return val_metric

scripts/evaluator.py

@@ -0,0 +1,297 @@
+# Copyright (c) MONAI Consortium
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#     http://www.apache.org/licenses/LICENSE-2.0
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from __future__ import annotations
+
+from typing import TYPE_CHECKING, Any, Callable, Iterable, Sequence
+
+import numpy as np
+import torch
+from monai.engines.evaluator import SupervisedEvaluator
+from monai.engines.utils import IterationEvents, default_metric_cmp_fn, default_prepare_batch
+from monai.inferers import Inferer, SimpleInferer
+from monai.transforms import Transform, reset_ops_id
+from monai.utils import ForwardMode, IgniteInfo, RankFilter, min_version, optional_import
+from monai.utils.enums import CommonKeys as Keys
+from torch.utils.data import DataLoader
+
+rearrange, _ = optional_import("einops", name="rearrange")
+
+if TYPE_CHECKING:
+    from ignite.engine import Engine, EventEnum
+    from ignite.metrics import Metric
+else:
+    Engine, _ = optional_import("ignite.engine", IgniteInfo.OPT_IMPORT_VERSION, min_version, "Engine")
+    Metric, _ = optional_import("ignite.metrics", IgniteInfo.OPT_IMPORT_VERSION, min_version, "Metric")
+    EventEnum, _ = optional_import("ignite.engine", IgniteInfo.OPT_IMPORT_VERSION, min_version, "EventEnum")
+
+__all__ = ["Vista3dEvaluator"]
+
+
+class Vista3dEvaluator(SupervisedEvaluator):
+    """
+    Supervised detection evaluation method with image and label, inherits from ``SupervisedEvaluator`` and ``Workflow``.
+    Args:
+        device: an object representing the device on which to run.
+        val_data_loader: Ignite engine use data_loader to run, must be Iterable, typically be torch.DataLoader.
+        network: detector to evaluate in the evaluator, should be regular PyTorch `torch.nn.Module`.
+        epoch_length: number of iterations for one epoch, default to `len(val_data_loader)`.
+        non_blocking: if True and this copy is between CPU and GPU, the copy may occur asynchronously
+            with respect to the host. For other cases, this argument has no effect.
+        prepare_batch: function to parse expected data (usually `image`, `label` and other network args)
+            from `engine.state.batch` for every iteration, for more details please refer to:
+            https://pytorch.org/ignite/generated/ignite.engine.create_supervised_trainer.html.
+        iteration_update: the callable function for every iteration, expect to accept `engine`
+            and `engine.state.batch` as inputs, return data will be stored in `engine.state.output`.
+            if not provided, use `self._iteration()` instead. for more details please refer to:
+            https://pytorch.org/ignite/generated/ignite.engine.engine.Engine.html.
+        inferer: inference method that execute model forward on input data, like: SlidingWindow, etc.
+        postprocessing: execute additional transformation for the model output data.
+            Typically, several Tensor based transforms composed by `Compose`.
+        key_val_metric: compute metric when every iteration completed, and save average value to
+            engine.state.metrics when epoch completed. key_val_metric is the main metric to compare and save the
+            checkpoint into files.
+        additional_metrics: more Ignite metrics that also attach to Ignite Engine.
+        metric_cmp_fn: function to compare current key metric with previous best key metric value,
+            it must accept 2 args (current_metric, previous_best) and return a bool result: if `True`, will update
+            `best_metric` and `best_metric_epoch` with current metric and epoch, default to `greater than`.
+        val_handlers: every handler is a set of Ignite Event-Handlers, must have `attach` function, like:
+            CheckpointHandler, StatsHandler, etc.
+        amp: whether to enable auto-mixed-precision evaluation, default is False.
+        mode: model forward mode during evaluation, should be 'eval' or 'train',
+            which maps to `model.eval()` or `model.train()`, default to 'eval'.
+        event_names: additional custom ignite events that will register to the engine.
+            new events can be a list of str or `ignite.engine.events.EventEnum`.
+        event_to_attr: a dictionary to map an event to a state attribute, then add to `engine.state`.
+            for more details, check: https://pytorch.org/ignite/generated/ignite.engine.engine.Engine.html
+            #ignite.engine.engine.Engine.register_events.
+        decollate: whether to decollate the batch-first data to a list of data after model computation,
+            recommend `decollate=True` when `postprocessing` uses components from `monai.transforms`.
+            default to `True`.
+        to_kwargs: dict of other args for `prepare_batch` API when converting the input data, except for
+            `device`, `non_blocking`.
+        amp_kwargs: dict of the args for `torch.amp.autocast()` API, for more details:
+            https://pytorch.org/docs/stable/amp.html#torch.amp.autocast.
+    """
+
+    def __init__(
+        self,
+        device: torch.device,
+        val_data_loader: Iterable | DataLoader,
+        network: torch.nn.Module,
+        epoch_length: int | None = None,
+        non_blocking: bool = False,
+        prepare_batch: Callable = default_prepare_batch,
+        iteration_update: Callable[[Engine, Any], Any] | None = None,
+        inferer: Inferer | None = None,
+        postprocessing: Transform | None = None,
+        key_val_metric: dict[str, Metric] | None = None,
+        additional_metrics: dict[str, Metric] | None = None,
+        metric_cmp_fn: Callable = default_metric_cmp_fn,
+        val_handlers: Sequence | None = None,
+        amp: bool = False,
+        mode: ForwardMode | str = ForwardMode.EVAL,
+        event_names: list[str | EventEnum | type[EventEnum]] | None = None,
+        event_to_attr: dict | None = None,
+        decollate: bool = True,
+        to_kwargs: dict | None = None,
+        amp_kwargs: dict | None = None,
+        hyper_kwargs: dict | None = None,
+    ) -> None:
+        super().__init__(
+            device=device,
+            val_data_loader=val_data_loader,
+            network=network,
+            epoch_length=epoch_length,
+            non_blocking=non_blocking,
+            prepare_batch=prepare_batch,
+            iteration_update=iteration_update,
+            postprocessing=postprocessing,
+            key_val_metric=key_val_metric,
+            additional_metrics=additional_metrics,
+            metric_cmp_fn=metric_cmp_fn,
+            val_handlers=val_handlers,
+            amp=amp,
+            mode=mode,
+            event_names=event_names,
+            event_to_attr=event_to_attr,
+            decollate=decollate,
+            to_kwargs=to_kwargs,
+            amp_kwargs=amp_kwargs,
+        )
+
+        self.network = network
+        self.device = device
+        self.inferer = SimpleInferer() if inferer is None else inferer
+        self.hyper_kwargs = hyper_kwargs
+        self.logger.addFilter(RankFilter())
+
+    def transform_points(self, point, affine):
+        """transform point to the coordinates of the transformed image
+        point: numpy array [bs, N, 3]
+        """
+        bs, n = point.shape[:2]
+        point = np.concatenate((point, np.ones((bs, n, 1))), axis=-1)
+        point = rearrange(point, "b n d -> d (b n)")
+        point = affine @ point
+        point = rearrange(point, "d (b n)-> b n d", b=bs)[:, :, :3]
+        return point
+
+    def check_prompts_format(self, label_prompt, points, point_labels):
+        """check the format of user prompts
+        label_prompt: [1,2,3,4,...,B] List of tensors
+        points: [[[x,y,z], [x,y,z], ...]] List of coordinates of a single object
+        point_labels: [[1,1,0,...]] List of scalar that matches number of points
+        """
+        # check prompt is given
+        if label_prompt is None and points is None:
+            everything_labels = self.hyper_kwargs.get("everything_labels", None)
+            if everything_labels is not None:
+                label_prompt = [torch.tensor(_) for _ in everything_labels]
+                return label_prompt, points, point_labels
+            else:
+                raise ValueError("Prompt must be given for inference.")
+        # check label_prompt
+        if label_prompt is not None:
+            if isinstance(label_prompt, list):
+                if not np.all([len(_) == 1 for _ in label_prompt]):
+                    raise ValueError("Label prompt must be a list of single scalar, [1,2,3,4,...,].")
+                if not np.all([(x < 255).item() for x in label_prompt]):
+                    raise ValueError("Current bundle only supports label prompt smaller than 255.")
+                if points is None:
+                    supported_list = list({i + 1 for i in range(132)} - {16, 18, 129, 130, 131})
+                    if not np.all([x in supported_list for x in label_prompt]):
+                        raise ValueError("Undefined label prompt detected. Provide point prompts for zero-shot.")
+            else:
+                raise ValueError("Label prompt must be a list, [1,2,3,4,...,].")
+        # check points
+        if points is not None:
+            if point_labels is None:
+                raise ValueError("Point labels must be given if points are given.")
+            if not np.all([len(_) == 3 for _ in points]):
+                raise ValueError("Points must be three dimensional (x,y,z) in the shape of [[x,y,z],...,[x,y,z]].")
+            if len(points) != len(point_labels):
+                raise ValueError("Points must match point labels.")
+            if not np.all([_ in [-1, 0, 1, 2, 3] for _ in point_labels]):
+                raise ValueError("Point labels can only be -1,0,1 and 2,3 for special flags.")
+        if label_prompt is not None and points is not None:
+            if len(label_prompt) != 1:
+                raise ValueError("Label prompt can only be a single object if provided with point prompts.")
+        # check point_labels
+        if point_labels is not None:
+            if points is None:
+                raise ValueError("Points must be given if point labels are given.")
+        return label_prompt, points, point_labels
+
+    def _iteration(self, engine: SupervisedEvaluator, batchdata: dict[str, torch.Tensor]) -> dict:
+        """
+        callback function for the Supervised Evaluation processing logic of 1 iteration in Ignite Engine.
+        Return below items in a dictionary:
+            - IMAGE: image Tensor data for model input, already moved to device.
+            - LABEL: label Tensor data corresponding to the image, already moved to device.
+            - PRED: prediction result of model.
+
+        Args:
+            engine: `SupervisedEvaluator` to execute operation for an iteration.
+            batchdata: input data for this iteration, usually can be dictionary or tuple of Tensor data.
+
+        Raises:
+            ValueError: When ``batchdata`` is None.
+
+        """
+        if batchdata is None:
+            raise ValueError("Must provide batch data for current iteration.")
+        label_set = engine.hyper_kwargs.get("label_set", None)
+        # this validation label set should be consistent with 'labels.unique()', used to generate fg/bg points
+        val_label_set = engine.hyper_kwargs.get("val_label_set", label_set)
+        # If user provide prompts in the inference, input image must contain original affine.
+        # the point coordinates are from the original_affine space, while image here is after preprocess transforms.
+        if engine.hyper_kwargs["user_prompt"]:
+            inputs, label_prompt, points, point_labels = (
+                batchdata["image"],
+                batchdata.get("label_prompt", None),
+                batchdata.get("points", None),
+                batchdata.get("point_labels", None),
+            )
+            labels = None
+            label_prompt, points, point_labels = self.check_prompts_format(label_prompt, points, point_labels)
+            inputs = inputs.to(engine.device)
+            # For N foreground object, label_prompt is [1, N], but the batch number 1 needs to be removed. Convert to [N, 1]
+            label_prompt = (
+                torch.as_tensor([label_prompt]).to(inputs.device)[0].unsqueeze(-1) if label_prompt is not None else None
+            )
+            # For points, the size can only be [1, K, 3], where K is the number of points for this single foreground object.
+            if points is not None:
+                points = torch.as_tensor([points])
+                points = self.transform_points(
+                    points, np.linalg.inv(inputs.affine[0]) @ inputs.meta["original_affine"][0].numpy()
+                )
+                points = torch.from_numpy(points).to(inputs.device)
+            point_labels = torch.as_tensor([point_labels]).to(inputs.device) if point_labels is not None else None
+
+        # If validation with ground truth label available.
+        else:
+            inputs, labels = engine.prepare_batch(
+                batchdata, engine.state.device, engine.non_blocking, **engine.to_kwargs
+            )
+            # create label prompt, this should be consistent with the label prompt used for training.
+            if label_set is None:
+                output_classes = engine.hyper_kwargs["output_classes"]
+                label_set = np.arange(output_classes).tolist()
+            label_prompt = torch.tensor(label_set).to(engine.state.device).unsqueeze(-1)
+            # point prompt is generated withing vista3d, provide empty points
+            points = torch.zeros(label_prompt.shape[0], 1, 3).to(inputs.device)
+            point_labels = -1 + torch.zeros(label_prompt.shape[0], 1).to(inputs.device)
+            # validation for either auto or point.
+            if engine.hyper_kwargs.get("val_head", "auto") == "auto":
+                # automatic only validation
+                # remove val_label_set, vista3d will not sample points from gt labels.
+                val_label_set = None
+            else:
+                # point only validation
+                label_prompt = None
+
+        # put iteration outputs into engine.state
+        engine.state.output = {Keys.IMAGE: inputs, Keys.LABEL: labels}
+        # execute forward computation
+        with engine.mode(engine.network):
+            if engine.amp:
+                with torch.amp.autocast("cuda", **engine.amp_kwargs):
+                    engine.state.output[Keys.PRED] = engine.inferer(
+                        inputs=inputs,
+                        network=engine.network,
+                        point_coords=points,
+                        point_labels=point_labels,
+                        class_vector=label_prompt,
+                        labels=labels,
+                        label_set=val_label_set,
+                    )
+            else:
+                engine.state.output[Keys.PRED] = engine.inferer(
+                    inputs=inputs,
+                    network=engine.network,
+                    point_coords=points,
+                    point_labels=point_labels,
+                    class_vector=label_prompt,
+                    labels=labels,
+                    label_set=val_label_set,
+                )
+        inputs = reset_ops_id(inputs)
+        # Add dim 0 for decollate batch
+        engine.state.output["label_prompt"] = label_prompt.unsqueeze(0) if label_prompt is not None else None
+        engine.state.output["points"] = points.unsqueeze(0) if points is not None else None
+        engine.state.output["point_labels"] = point_labels.unsqueeze(0) if point_labels is not None else None
+        engine.fire_event(IterationEvents.FORWARD_COMPLETED)
+        engine.fire_event(IterationEvents.MODEL_COMPLETED)
+        if torch.cuda.is_available():
+            torch.cuda.empty_cache()
+
+        return engine.state.output

scripts/inferer.py

@@ -0,0 +1,120 @@
+# Copyright (c) MONAI Consortium
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#     http://www.apache.org/licenses/LICENSE-2.0
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import copy
+from typing import List, Union
+
+import torch
+from monai.apps.vista3d.inferer import point_based_window_inferer
+from monai.inferers import Inferer, SlidingWindowInfererAdapt
+from torch import Tensor
+
+
+class Vista3dInferer(Inferer):
+    """
+    Vista3D Inferer
+
+    Args:
+        roi_size: the sliding window patch size.
+        overlap: sliding window overlap ratio.
+    """
+
+    def __init__(self, roi_size, overlap, use_point_window=False, sw_batch_size=1) -> None:
+        Inferer.__init__(self)
+        self.roi_size = roi_size
+        self.overlap = overlap
+        self.sw_batch_size = sw_batch_size
+        self.use_point_window = use_point_window
+
+    def __call__(
+        self,
+        inputs: Union[List[Tensor], Tensor],
+        network,
+        point_coords,
+        point_labels,
+        class_vector,
+        labels=None,
+        label_set=None,
+        prev_mask=None,
+    ):
+        """
+        Unified callable function API of Inferers.
+        Notice: The point_based_window_inferer currently only supports SINGLE OBJECT INFERENCE with B=1.
+        It only used in interactive segmentation.
+
+        Args:
+            inputs: input tensor images.
+            network: vista3d model.
+            point_coords: point click coordinates. [B, N, 3].
+            point_labels: point click labels (0 for negative, 1 for positive) [B, N].
+            class_vector: class vector of length B.
+            labels: groundtruth labels. Used for sampling validation points.
+            label_set: [0,1,2,3,...,output_classes].
+            prev_mask: [1, B, H, W, D], THE VALUE IS BEFORE SIGMOID!
+
+        """
+        prompt_class = copy.deepcopy(class_vector)
+        if class_vector is not None and (point_labels is not None and torch.any(point_labels != -1)):
+            # Only when user perform zero-shot interactive during inference. Remove the class vector
+            # and keep the prompt_class to inform the model about the zero-shot. During finetuning,
+            # a novel class > last_supported is possible and should be taken care of.
+            # This check should be moved to evaluator and prompt_class should be added as input to the inferer.
+            if hasattr(network, "point_head"):
+                point_head = network.point_head
+            elif hasattr(network, "module") and hasattr(network.module, "point_head"):
+                point_head = network.module.point_head
+            else:
+                raise AttributeError("Network does not have attribute 'point_head'.")
+
+            if torch.any(class_vector > point_head.last_supported):
+                class_vector = None
+        val_outputs = None
+        torch.cuda.empty_cache()
+        if self.use_point_window and point_coords is not None:
+            if isinstance(inputs, list):
+                device = inputs[0].device
+            else:
+                device = inputs.device
+            val_outputs = point_based_window_inferer(
+                inputs=inputs,
+                roi_size=self.roi_size,
+                sw_batch_size=self.sw_batch_size,
+                transpose=True,
+                with_coord=True,
+                predictor=network,
+                mode="gaussian",
+                sw_device=device,
+                device=device,
+                overlap=self.overlap,
+                point_coords=point_coords,
+                point_labels=point_labels,
+                class_vector=class_vector,
+                prompt_class=prompt_class,
+                prev_mask=prev_mask,
+                labels=labels,
+                label_set=label_set,
+            )
+        else:
+            val_outputs = SlidingWindowInfererAdapt(
+                roi_size=self.roi_size, sw_batch_size=self.sw_batch_size, with_coord=True, padding_mode="replicate"
+            )(
+                inputs,
+                network,
+                transpose=True,
+                point_coords=point_coords,
+                point_labels=point_labels,
+                class_vector=class_vector,
+                prompt_class=prompt_class,
+                prev_mask=prev_mask,
+                labels=labels,
+                label_set=label_set,
+            )
+        return val_outputs

scripts/trainer.py

@@ -0,0 +1,211 @@
+# Copyright (c) MONAI Consortium
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#     http://www.apache.org/licenses/LICENSE-2.0
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from __future__ import annotations
+
+from typing import TYPE_CHECKING, Any, Callable, Iterable, Sequence
+
+import numpy as np
+import torch
+from monai.apps.vista3d.sampler import sample_prompt_pairs
+from monai.engines.trainer import Trainer
+from monai.engines.utils import IterationEvents, default_metric_cmp_fn, default_prepare_batch
+from monai.inferers import Inferer, SimpleInferer
+from monai.transforms import Transform
+from monai.utils import IgniteInfo, RankFilter, min_version, optional_import
+from monai.utils.enums import CommonKeys as Keys
+from torch.optim.optimizer import Optimizer
+from torch.utils.data import DataLoader
+
+if TYPE_CHECKING:
+    from ignite.engine import Engine, EventEnum
+    from ignite.metrics import Metric
+else:
+    Engine, _ = optional_import("ignite.engine", IgniteInfo.OPT_IMPORT_VERSION, min_version, "Engine")
+    Metric, _ = optional_import("ignite.metrics", IgniteInfo.OPT_IMPORT_VERSION, min_version, "Metric")
+    EventEnum, _ = optional_import("ignite.engine", IgniteInfo.OPT_IMPORT_VERSION, min_version, "EventEnum")
+
+__all__ = ["Vista3dTrainer"]
+
+
+class Vista3dTrainer(Trainer):
+    """
+    Supervised detection training method with image and label, inherits from ``Trainer`` and ``Workflow``.
+    Args:
+        device: an object representing the device on which to run.
+        max_epochs: the total epoch number for trainer to run.
+        train_data_loader: Ignite engine use data_loader to run, must be Iterable or torch.DataLoader.
+        detector: detector to train in the trainer, should be regular PyTorch `torch.nn.Module`.
+        optimizer: the optimizer associated to the detector, should be regular PyTorch optimizer from `torch.optim`
+            or its subclass.
+        epoch_length: number of iterations for one epoch, default to `len(train_data_loader)`.
+        non_blocking: if True and this copy is between CPU and GPU, the copy may occur asynchronously
+            with respect to the host. For other cases, this argument has no effect.
+        prepare_batch: function to parse expected data (usually `image`,`box`, `label` and other detector args)
+            from `engine.state.batch` for every iteration, for more details please refer to:
+            https://pytorch.org/ignite/generated/ignite.engine.create_supervised_trainer.html.
+        iteration_update: the callable function for every iteration, expect to accept `engine`
+            and `engine.state.batch` as inputs, return data will be stored in `engine.state.output`.
+            if not provided, use `self._iteration()` instead. for more details please refer to:
+            https://pytorch.org/ignite/generated/ignite.engine.engine.Engine.html.
+        inferer: inference method that execute model forward on input data, like: SlidingWindow, etc.
+        postprocessing: execute additional transformation for the model output data.
+            Typically, several Tensor based transforms composed by `Compose`.
+        key_train_metric: compute metric when every iteration completed, and save average value to
+            engine.state.metrics when epoch completlabel_set = np.arange(output_classes).tolist().
+            key_train_metric is the main metric to compare and save the checkpoint into files.
+        additional_metrics: more Ignite metrics that also attach to Ignite Engine.
+        metric_cmp_fn: function to compare current key metric with previous best key metric value,
+            it must accept 2 args (current_metric, previous_best) and return a bool result: if `True`, will update
+            `best_metric` and `best_metric_epoch` with current metric and epoch, default to `greater than`.
+        train_handlers: every handler is a set of Ignite Event-Handlers, must have `attach` function, like:
+            CheckpointHandler, StatsHandler, etc.
+        amp: whether to enable auto-mixed-precision training, default is False.
+        event_names: additional custom ignite events that will register to the engine.
+            new events can be a list of str or `ignite.engine.events.EventEnum`.
+        event_to_attr: a dictionary to map an event to a state attribute, then add to `engine.state`.
+            for more details, check: https://pytorch.org/ignite/generated/ignite.engine.engine.Engine.html
+            #ignite.engine.engine.Engine.register_events.
+        decollate: whether to decollate the batch-first data to a list of data after model computation,
+            recommend `decollate=True` when `postprocessing` uses components from `monai.transforms`.
+            default to `True`.
+        optim_set_to_none: when calling `optimizer.zero_grad()`, instead of setting to zero, set the grads to None.
+            more details: https://pytorch.org/docs/stable/generated/torch.optim.Optimizer.zero_grad.html.
+        to_kwargs: dict of other args for `prepare_batch` API when converting the input data, except for
+            `device`, `non_blocking`.
+        amp_kwargs: dict of the args for `torch.amp.autocast()` API, for more details:
+            https://pytorch.org/docs/stable/amp.html#torch.amp.autocast.
+    """
+
+    def __init__(
+        self,
+        device: torch.device,
+        max_epochs: int,
+        train_data_loader: Iterable | DataLoader,
+        network: torch.nn.Module,
+        optimizer: Optimizer,
+        loss_function: Callable,
+        epoch_length: int | None = None,
+        non_blocking: bool = False,
+        prepare_batch: Callable = default_prepare_batch,
+        iteration_update: Callable[[Engine, Any], Any] | None = None,
+        inferer: Inferer | None = None,
+        postprocessing: Transform | None = None,
+        key_train_metric: dict[str, Metric] | None = None,
+        additional_metrics: dict[str, Metric] | None = None,
+        metric_cmp_fn: Callable = default_metric_cmp_fn,
+        train_handlers: Sequence | None = None,
+        amp: bool = False,
+        event_names: list[str | EventEnum] | None = None,
+        event_to_attr: dict | None = None,
+        decollate: bool = True,
+        optim_set_to_none: bool = False,
+        to_kwargs: dict | None = None,
+        amp_kwargs: dict | None = None,
+        hyper_kwargs: dict | None = None,
+    ) -> None:
+        super().__init__(
+            device=device,
+            max_epochs=max_epochs,
+            data_loader=train_data_loader,
+            epoch_length=epoch_length,
+            non_blocking=non_blocking,
+            prepare_batch=prepare_batch,
+            iteration_update=iteration_update,
+            postprocessing=postprocessing,
+            key_metric=key_train_metric,
+            additional_metrics=additional_metrics,
+            metric_cmp_fn=metric_cmp_fn,
+            handlers=train_handlers,
+            amp=amp,
+            event_names=event_names,
+            event_to_attr=event_to_attr,
+            decollate=decollate,
+            to_kwargs=to_kwargs,
+            amp_kwargs=amp_kwargs,
+        )
+
+        self.network = network
+        self.optimizer = optimizer
+        self.loss_function = loss_function
+        self.inferer = SimpleInferer() if inferer is None else inferer
+        self.optim_set_to_none = optim_set_to_none
+        self.hyper_kwargs = hyper_kwargs
+        self.logger.addFilter(RankFilter())
+
+    def _iteration(self, engine, batchdata: dict[str, torch.Tensor]):
+        """
+        Callback function for the Supervised Training processing logic of 1 iteration in Ignite Engine.
+        Return below items in a dictionary:
+            - IMAGE: image Tensor data for model input, already moved to device.
+        Args:
+            engine: `Vista3DTrainer` to execute operation for an iteration.
+            batchdata: input data for this iteration, usually can be dictionary or tuple of Tensor data.
+        Raises:
+            ValueError: When ``batchdata`` is None.
+        """
+
+        if batchdata is None:
+            raise ValueError("Must provide batch data for current iteration.")
+
+        inputs, labels = engine.prepare_batch(batchdata, engine.state.device, engine.non_blocking, **engine.to_kwargs)
+        engine.state.output = {Keys.IMAGE: inputs, Keys.LABEL: labels}
+
+        label_set = engine.hyper_kwargs["label_set"]
+        output_classes = engine.hyper_kwargs["output_classes"]
+        if label_set is None:
+            label_set = np.arange(output_classes).tolist()
+        label_prompt, point, point_label, prompt_class = sample_prompt_pairs(
+            labels,
+            label_set,
+            image_size=engine.hyper_kwargs["patch_size"],
+            max_point=engine.hyper_kwargs["max_point"],
+            max_prompt=engine.hyper_kwargs["max_prompt"],
+            max_backprompt=engine.hyper_kwargs["max_backprompt"],
+            max_foreprompt=engine.hyper_kwargs["max_foreprompt"],
+            drop_label_prob=engine.hyper_kwargs["drop_label_prob"],
+            drop_point_prob=engine.hyper_kwargs["drop_point_prob"],
+            include_background=not engine.hyper_kwargs["exclude_background"],
+        )
+
+        def _compute_pred_loss():
+            outputs = engine.network(
+                input_images=inputs, point_coords=point, point_labels=point_label, class_vector=label_prompt
+            )
+            # engine.state.output[Keys.PRED] = outputs
+            engine.fire_event(IterationEvents.FORWARD_COMPLETED)
+            loss, loss_n = torch.tensor(0.0, device=engine.state.device), torch.tensor(0.0, device=engine.state.device)
+            for id in range(len(prompt_class)):
+                loss += engine.loss_function(outputs[[id]].float(), labels == prompt_class[id])
+                loss_n += 1.0
+            loss /= max(loss_n, 1.0)
+            engine.state.output[Keys.LOSS] = loss
+            outputs = None
+            torch.cuda.empty_cache()
+            engine.fire_event(IterationEvents.LOSS_COMPLETED)
+
+        engine.network.train()
+        engine.optimizer.zero_grad(set_to_none=engine.optim_set_to_none)
+
+        if engine.amp and engine.scaler is not None:
+            with torch.amp.autocast("cuda", **engine.amp_kwargs):
+                _compute_pred_loss()
+            engine.scaler.scale(engine.state.output[Keys.LOSS]).backward()
+            engine.fire_event(IterationEvents.BACKWARD_COMPLETED)
+            engine.scaler.step(engine.optimizer)
+            engine.scaler.update()
+        else:
+            _compute_pred_loss()
+            engine.state.output[Keys.LOSS].backward()
+            engine.fire_event(IterationEvents.BACKWARD_COMPLETED)
+            engine.optimizer.step()
+        engine.fire_event(IterationEvents.MODEL_COMPLETED)
+        return engine.state.output

vista3d_config.py

@@ -0,0 +1,19 @@
+from transformers import PretrainedConfig
+
+
+class VISTA3DConfig(PretrainedConfig):
+    """Configuration class for vista3d"""
+
+    model_type = "VISTA3D"
+
+    def __init__(self, encoder_embed_dim: int = 48, input_channels: int = 1, **kwargs):
+        """
+        Set the hyperparameters for the VISTA3D model.
+
+        Parameters:
+            input_channels: channel of input images.
+            encoder_embed_dim: the encoder_embed_dim of the VISTA3D model.
+        """
+        self.input_channels = input_channels
+        self.encoder_embed_dim = encoder_embed_dim
+        super().__init__(**kwargs)

vista3d_model.py

@@ -0,0 +1,39 @@
+import os
+
+import monai.networks.nets
+import torch
+from transformers import AutoConfig, AutoModel, PreTrainedModel
+from vista3d_config import VISTA3DConfig
+
+
+class VISTA3DModel(PreTrainedModel):
+    """VISTA3D model for hugging face"""
+
+    config_class = VISTA3DConfig
+
+    def __init__(self, config):
+        super().__init__(config)
+        if config.model_type == "VISTA3D":
+            self.network = monai.networks.nets.vista3d132(
+                encoder_embed_dim=config.encoder_embed_dim,
+                in_channels=config.input_channels,
+            )
+
+    def forward(self, input):
+        return self.network(input)
+
+
+def register_my_model():
+    """Utility function to register VISTA3D model so that it can be instantiate by the AutoModel function."""
+    AutoConfig.register("VISTA3D", VISTA3DConfig)
+    AutoModel.register(VISTA3DConfig, VISTA3DModel)
+
+
+if __name__ == "__main__":
+    FILE_PATH = os.path.dirname(__file__)
+    MODEL_WEIGHT_PATH = os.path.join(FILE_PATH, "models/model.pt")
+    MODEL_PATH = os.path.join(FILE_PATH, "vista3d_pretrained_model")
+    config = VISTA3DConfig()
+    hugging_face_model = VISTA3DModel(config)
+    hugging_face_model.network.load_state_dict(torch.load(MODEL_WEIGHT_PATH))
+    hugging_face_model.save_pretrained(MODEL_PATH)

vista3d_pipeline.py

@@ -0,0 +1,462 @@
+import copy
+import json
+import logging
+import os
+import pathlib
+from typing import Sequence
+
+import numpy as np
+import torch
+from monai.apps.vista3d.transforms import VistaPostTransformd, VistaPreTransformd
+from monai.data.utils import decollate_batch, list_data_collate
+from monai.networks.utils import eval_mode, train_mode
+from monai.transforms import (
+    CastToTyped,
+    Compose,
+    CropForegroundd,
+    EnsureChannelFirstd,
+    EnsureTyped,
+    Invertd,
+    Lambdad,
+    LoadImaged,
+    Orientationd,
+    SaveImaged,
+    ScaleIntensityRangePercentilesd,
+    Spacingd,
+    reset_ops_id,
+)
+from monai.utils import ForwardMode, optional_import, set_determinism
+from monai.utils.enums import CommonKeys as Keys
+from monai.utils.module import look_up_option
+from scripts.inferer import Vista3dInferer
+from transformers import AutoModel, Pipeline
+from transformers.pipelines import PIPELINE_REGISTRY
+
+rearrange, _ = optional_import("einops", name="rearrange")
+
+FILE_PATH = os.path.dirname(__file__)
+
+
+logging.basicConfig(
+    level=logging.INFO,
+    format="%(asctime)s - %(name)s - %(levelname)s - %(message)s",
+    datefmt="%Y-%m-%d %H:%M:%S",
+)
+logger = logging.getLogger(__name__)
+
+
+class VISTA3DPipeline(Pipeline):
+    """Define the VISTA3D pipeline."""
+
+    PREPROCESSING_EXTRA_ARGS = [
+        "image_key",
+        "resample_spacing",
+        "metadata_path",
+        "load_image",
+    ]
+    INFERENCE_EXTRA_ARGS = [
+        "mode",
+        "amp",
+        "hyper_kwargs",
+        "roi_size",
+        "overlap",
+        "sw_batch_size",
+        "use_point_window",
+    ]
+    POSTPROCESSING_EXTRA_ARGS = [
+        "pred_key",
+        "image_key",
+        "output_dir",
+        "output_ext",
+        "output_postfix",
+        "separate_folder",
+        "save_output",
+    ]
+    EVERYTHING_LABEL_CT = list(
+        set([i + 1 for i in range(132)])
+        - set([2, 16, 18, 20, 21, 23, 24, 25, 26, 27, 128, 129, 130, 131, 132])
+    )
+    EVERYTHING_LABEL_MRI = [1, 3, 4, 5, 6, 7, 8, 9, 10, 11,\
+                            12, 13, 14, 15, 17, 19, 22, 58, 59,\
+                            60, 61, 62, 87, 88, 89, 90, 91, 92,\
+                            93, 94, 95, 96, 97, 98, 99, 100, 101,\
+                            102, 103, 104, 105, 106, 107, 115, 118,\
+                            121, 134, 135, 136, 146]
+    EVERYTHING_LABEL_BRAIN = list(range(214,346))
+
+    def __init__(self, model, **kwargs):
+        super().__init__(model, **kwargs)
+        self.preprocessing_transforms = self._init_preprocessing_transforms(
+            **self._preprocess_params
+        )
+        self.inferer = self._init_inferer(**self._forward_params)
+        self.postprocessing_transforms = self._init_postprocessing_transforms(
+            **self._postprocess_params
+        )
+
+    def _init_inferer(
+        self,
+        roi_size: Sequence = (192, 192, 128),
+        overlap: float = 0.3,
+        sw_batch_size: int = 1,
+        use_point_window: bool = True,
+    ):
+        return Vista3dInferer(
+            roi_size=roi_size,
+            overlap=overlap,
+            use_point_window=use_point_window,
+            sw_batch_size=sw_batch_size,
+        )
+
+    def _init_preprocessing_transforms(
+        self,
+        image_key: str = "image",
+        resample_spacing: Sequence = (1.5, 1.5, 1.5),
+        metadata_path: str = os.path.join(FILE_PATH, "metadata.json"),
+        load_image: bool = True,
+    ):
+        device = self.device
+        subclass = {
+            "2": [14, 5],
+            "20": [28, 29, 30, 31, 32],
+            "21": list(range(33, 57)) + list(range(63, 98)) + [114, 120, 122],
+        }
+        metadata = json.loads(pathlib.Path(metadata_path).read_text())
+        labels_dict = metadata["network_data_format"]["outputs"]["pred"]["channel_def"]
+        preprocessing_list = [
+                LoadImaged(keys=image_key, image_only=True),
+                EnsureChannelFirstd(keys=image_key),
+                EnsureTyped(keys=image_key, device=device, track_meta=True),
+                Spacingd(keys=image_key, pixdim=resample_spacing, mode="bilinear"),
+                CropForegroundd(
+                    keys=image_key, allow_smaller=True, margin=10, source_key=image_key
+                ),
+                VistaPreTransformd(
+                    keys=image_key, subclass=subclass, labels_dict=labels_dict
+                ),
+                ScaleIntensityRangePercentilesd(
+                    keys=image_key,
+                    lower=1,
+                    upper=99,
+                    b_min=0,
+                    b_max=1,
+                    clip=True,
+                ),
+                Orientationd(keys=image_key, axcodes="RAS"),
+                CastToTyped(keys=image_key, dtype=torch.float32),
+            ]
+        if not load_image:
+            preprocessing_list.pop(0)
+
+        preprocessing_transforms = Compose(preprocessing_list)
+        return preprocessing_transforms
+
+    def _init_postprocessing_transforms(
+        self,
+        pred_key: str = "pred",
+        image_key: str = "image",
+        output_dir: str = "output_directory",
+        output_ext: str = ".nii.gz",
+        output_dtype: torch.dtype = torch.float32,
+        output_postfix: str = "seg",
+        separate_folder: bool = True,
+        save_output: bool = True,
+    ):
+        transforms = [
+            VistaPostTransformd(keys=pred_key),
+            Invertd(
+                keys=pred_key,
+                transform=copy.deepcopy(self.preprocessing_transforms),
+                orig_keys=image_key,
+                nearest_interp=True,
+                to_tensor=True,
+            ),
+            Lambdad(keys=pred_key, func=lambda x: torch.nan_to_num(x, nan=255)),
+        ]
+        if save_output:
+            transforms.append(
+                SaveImaged(
+                    keys=pred_key,
+                    resample=False,
+                    output_dir=output_dir,
+                    output_ext=output_ext,
+                    output_dtype=output_dtype,
+                    output_postfix=output_postfix,
+                    separate_folder=separate_folder,
+                ),
+            )
+        postprocessing_transforms = Compose(transforms=transforms)
+        return postprocessing_transforms
+
+    def _sanitize_parameters(self, **kwargs):
+        """
+        _sanitize_parameters exists to allow users to pass any parameters whenever they wish,
+        be it at initialization time pipeline(...., maybe_arg=4) or at call time pipe = pipeline(...); output = pipe(...., maybe_arg=4).
+        The returns of _sanitize_parameters are the 3 dicts of kwargs that will be passed directly to preprocess, _forward and postprocess.
+        Don't fill anything if the caller didn't call with any extra parameter. That allows to keep the default arguments in the function
+        definition which is always more “natural”."""
+
+        vista3d_preprocessing_kwargs = {}
+        vista3d_infer_kwargs = {}
+        vista3d_postprocessing_kwargs = {}
+        for key in self.INFERENCE_EXTRA_ARGS:
+            if key in kwargs:
+                vista3d_infer_kwargs[key] = kwargs[key]
+
+        for key in self.PREPROCESSING_EXTRA_ARGS:
+            if key in kwargs:
+                vista3d_preprocessing_kwargs[key] = kwargs[key]
+
+        for key in self.POSTPROCESSING_EXTRA_ARGS:
+            if key in kwargs:
+                vista3d_postprocessing_kwargs[key] = kwargs[key]
+
+        return (
+            vista3d_preprocessing_kwargs,
+            vista3d_infer_kwargs,
+            vista3d_postprocessing_kwargs,
+        )
+
+    def check_prompts_format(self, label_prompt, points, point_labels):
+        """check the format of user prompts
+        label_prompt: [1,2,3,4,...,B] List of tensors
+        points: [[[x,y,z], [x,y,z], ...]] List of coordinates of a single object
+        point_labels: [[1,1,0,...]] List of scalar that matches number of points
+        """
+        # check prompt is given
+        if label_prompt is None and points is None:
+            everything_labels = self.hyper_kwargs.get("everything_labels", None)
+            if everything_labels is not None:
+                label_prompt = [torch.tensor(_) for _ in everything_labels]
+                return label_prompt, points, point_labels
+            else:
+                raise ValueError("Prompt must be given for inference.")
+        # check label_prompt
+        if label_prompt is not None:
+            if isinstance(label_prompt, list):
+                if not np.all([len(_) == 1 for _ in label_prompt]):
+                    raise ValueError("Label prompt must be a list of single scalar, [1,2,3,4,...,].")
+                if not np.all([(x < 512).item() for x in label_prompt]):
+                    raise ValueError("Current bundle only supports label prompt smaller than 512.")
+                if points is None:
+                    supported_list = list({i + 1 for i in range(345)} - {16, 129, 130, 131, 133, 137, 138, 139, 140, 141, 142, 143, 144, 145, 162})
+                    if not np.all([x in supported_list for x in label_prompt]):
+                        raise ValueError("Undefined label prompt detected. Provide point prompts for zero-shot.")
+            else:
+                raise ValueError("Label prompt must be a list, [1,2,3,4,...,].")
+        # check points
+        if points is not None:
+            if point_labels is None:
+                raise ValueError("Point labels must be given if points are given.")
+            if not np.all([len(_) == 3 for _ in points]):
+                raise ValueError("Points must be three dimensional (x,y,z) in the shape of [[x,y,z],...,[x,y,z]].")
+            if len(points) != len(point_labels):
+                raise ValueError("Points must match point labels.")
+            if not np.all([_ in [-1, 0, 1, 2, 3] for _ in point_labels]):
+                raise ValueError("Point labels can only be -1,0,1 and 2,3 for special flags.")
+        if label_prompt is not None and points is not None:
+            if len(label_prompt) != 1:
+                raise ValueError("Label prompt can only be a single object if provided with point prompts.")
+        # check point_labels
+        if point_labels is not None:
+            if points is None:
+                raise ValueError("Points must be given if point labels are given.")
+        return label_prompt, points, point_labels
+
+    def transform_points(self, point, affine):
+        """transform point to the coordinates of the transformed image
+        point: numpy array [bs, N, 3]
+        """
+        bs, n = point.shape[:2]
+        point = np.concatenate((point, np.ones((bs, n, 1))), axis=-1)
+        point = rearrange(point, "b n d -> d (b n)")
+        point = affine @ point
+        point = rearrange(point, "d (b n)-> b n d", b=bs)[:, :, :3]
+        return point
+
+    def preprocess(
+        self,
+        inputs,
+        **kwargs,
+    ):
+        for key, value in kwargs.items():
+            if key in self._preprocess_params and value != self._preprocess_params[key]:
+                logging.warning(
+                    f"Please set the parameter {key} during initialization."
+                )
+
+            if key not in self.PREPROCESSING_EXTRA_ARGS:
+                logging.warning(f"Cannot set parameter {key} for preprocessing.")
+
+        # Handle modality in input if provided
+        if isinstance(inputs, dict) and "modality" in inputs:
+            modality = look_up_option(inputs["modality"], ["CT_BODY", "MRI_BODY", "MRI_BRAIN"])
+            inputs["label_prompt"] = self.get_everything_labels(modality)
+            del inputs["modality"]  # Remove modality key as it's not needed for transforms
+
+        inputs = self.preprocessing_transforms(inputs)
+        inputs = list_data_collate([inputs])
+        return inputs
+
+    def get_everything_labels(self, modality: str = 'CT_BODY'):
+        """Get the label set for automatic segmentation based on modality."""
+        if modality == "CT_BODY":
+            return self.EVERYTHING_LABEL_CT
+        elif modality == "MRI_BODY":
+            return self.EVERYTHING_LABEL_MRI
+        elif modality == "MRI_BRAIN":
+            return self.EVERYTHING_LABEL_BRAIN
+        else:
+            raise ValueError(f"Unsupported modality: {modality}")
+
+    def _forward(
+        self,
+        inputs,
+        mode: str = ForwardMode.EVAL,
+        amp: bool = True,
+        hyper_kwargs: dict = {"user_prompt": 1, "everything_labels": 1},
+    ):
+        set_determinism(seed=123)
+
+        if inputs is None:
+            raise ValueError("Must provide input data for inference.")
+            
+        # Update everything_labels based on modality if not provided]
+        if "everything_labels" not in hyper_kwargs:
+            hyper_kwargs["everything_labels"] = self.get_everything_labels()
+        self.hyper_kwargs = hyper_kwargs
+
+        label_set = hyper_kwargs.get("label_set", None)
+        # this validation label set should be consistent with 'labels.unique()', used to generate fg/bg points
+        val_label_set = hyper_kwargs.get("val_label_set", label_set)
+        # If user provide prompts in the inference, input image must contain original affine.
+        # the point coordinates are from the original_affine space, while image here is after preprocess transforms.
+        if hyper_kwargs["user_prompt"]:
+            inputs, label_prompt, points, point_labels = (
+                inputs["image"],
+                inputs.get("label_prompt", None),
+                inputs.get("points", None),
+                inputs.get("point_labels", None),
+            )
+            labels = None
+            label_prompt, points, point_labels = self.check_prompts_format(
+                label_prompt, points, point_labels
+            )
+            inputs = inputs.to(self.device)
+            # For N foreground object, label_prompt is [1, N], but the batch number 1 needs to be removed. Convert to [N, 1]
+            label_prompt = (
+                torch.as_tensor([label_prompt]).to(inputs.device)[0].unsqueeze(-1)
+                if label_prompt is not None
+                else None
+            )
+            # For points, the size can only be [1, K, 3], where K is the number of points for this single foreground object.
+            if points is not None:
+                points = torch.as_tensor([points])
+                points = self.transform_points(
+                    points,
+                    np.linalg.inv(inputs.affine[0])
+                    @ inputs.meta["original_affine"][0].numpy(),
+                )
+                points = torch.from_numpy(points).to(inputs.device)
+            point_labels = (
+                torch.as_tensor([point_labels]).to(inputs.device)
+                if point_labels is not None
+                else None
+            )
+
+        # If validation with ground truth label available.
+        else:
+            # TODO add these as attribute.
+            inputs, labels = inputs["image"], inputs["label"]
+            # create label prompt, this should be consistent with the label prompt used for training.
+            if label_set is None:
+                output_classes = hyper_kwargs.get("output_classes", None)
+                label_set = np.arange(output_classes).tolist()
+            label_prompt = torch.tensor(label_set).to(self.device).unsqueeze(-1)
+            # point prompt is generated withing vista3d, provide empty points
+            points = torch.zeros(label_prompt.shape[0], 1, 3).to(inputs.device)
+            point_labels = -1 + torch.zeros(label_prompt.shape[0], 1).to(inputs.device)
+            # validation for either auto or point.
+            if hyper_kwargs.get("val_head", "auto") == "auto":
+                # automatic only validation
+                # remove val_label_set, vista3d will not sample points from gt labels.
+                val_label_set = None
+            else:
+                # point only validation
+                label_prompt = None
+
+        # put iteration outputs into outputs TODO need to align with the customized inputs
+        outputs = {Keys.IMAGE: inputs, Keys.LABEL: labels}
+        mode = look_up_option(mode, ForwardMode)
+        if mode == ForwardMode.EVAL:
+            mode = eval_mode
+        elif mode == ForwardMode.TRAIN:
+            mode = train_mode
+        else:
+            raise ValueError(f"unsupported mode: {mode}, should be 'eval' or 'train'.")
+
+        # execute forward computation
+        self.model.network.to(self.device)
+        with mode(self.model):
+            if amp:
+                with torch.autocast("cuda"):
+                    outputs[Keys.PRED] = self.inferer(
+                        inputs=inputs,
+                        network=self.model.network,
+                        point_coords=points,
+                        point_labels=point_labels,
+                        class_vector=label_prompt,
+                        labels=labels,
+                        label_set=val_label_set,
+                    )
+            else:
+                outputs[Keys.PRED] = self.inferer(
+                    inputs=inputs,
+                    network=self.model.network,
+                    point_coords=points,
+                    point_labels=point_labels,
+                    class_vector=label_prompt,
+                    labels=labels,
+                    label_set=val_label_set,
+                )
+        inputs = reset_ops_id(inputs)
+        # Add dim 0 for decollate batch
+        outputs["label_prompt"] = (
+            label_prompt.unsqueeze(0) if label_prompt is not None else None
+        )
+        outputs["points"] = points.unsqueeze(0) if points is not None else None
+        outputs["point_labels"] = (
+            point_labels.unsqueeze(0) if point_labels is not None else None
+        )
+        if torch.cuda.is_available():
+            torch.cuda.empty_cache()
+
+        return outputs
+
+    def postprocess(self, outputs, **kwargs):
+        outputs[Keys.IMAGE] = outputs[Keys.IMAGE].to(self.device)
+        outputs[Keys.PRED] = outputs[Keys.PRED].to(self.device)
+        for key, value in kwargs.items():
+            if key not in self.POSTPROCESSING_EXTRA_ARGS:
+                logging.warning(f"Cannot set parameter {key} for postprocessing.")
+            if (
+                key in self._postprocess_params
+                and value != self._postprocess_params[key]
+            ) or (key not in self._postprocess_params):
+                self._postprocess_params.update(kwargs)
+                self.postprocessing_transforms = self._init_postprocessing_transforms(
+                    **self._postprocess_params
+                )
+
+        outputs = self.postprocessing_transforms(decollate_batch(outputs))
+        return outputs
+
+
+def register_simple_pipeline():
+    PIPELINE_REGISTRY.register_pipeline(
+        "vista3d",
+        pipeline_class=VISTA3DPipeline,
+        pt_model=AutoModel,
+        default={"pt": (os.path.join(FILE_PATH, "vista3d_pretrained_model"), "")},
+        type="image",  # current support type: text, audio, image, multimodal
+    )

vista3d_pretrained_model/config.json

@@ -0,0 +1,10 @@
+{
+  "architectures": [
+    "VISTA3DModel"
+  ],
+  "encoder_embed_dim": 48,
+  "input_channels": 1,
+  "model_type": "VISTA3D",
+  "torch_dtype": "float32",
+  "transformers_version": "4.46.3"
+}

vista3d_pretrained_model/model.pt

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a02845891fd747f3144ebc33c7d0dc4c79dbd0333392b8b1b50f2c99e6f0ed67
+size 871971235

vista3d_pretrained_model/model.safetensors

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:65a0be47fcc84a41e46b457d1900ae584d2e5152f7d2c99ab48dc2ef0cc826c1
+size 871894080