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import json |
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import logging |
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import os |
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import copy |
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import torch |
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from datasets import Dataset as HFDataset |
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from datasets import DatasetDict, load_from_disk |
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from mmengine import print_log |
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from mmengine.config import Config, ConfigDict |
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from PIL import Image, ImageDraw |
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from torch.utils.data import Dataset |
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from pycocotools import mask |
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import numpy as np |
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import torch.nn.functional as F |
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from xtuner.registry import BUILDER |
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from .utils import expand2square, expand2square_mask |
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from xtuner.dataset.huggingface import process_hf_dataset, build_origin_dataset |
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from xtuner.dataset.utils import encode_fn |
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class OspreyRegionCaptionDataset(Dataset): |
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def __init__(self, |
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image_folder, |
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image_processor, |
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data_path=None, |
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tokenizer=None, |
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offline_processed_text_folder=None, |
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max_dataset_length=None, |
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dataset_map_fn=None, |
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template_map_fn=None, |
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max_length=2048, |
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pad_image_to_square=False, |
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num_proc=32, |
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lazy=False, |
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repeats=1): |
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super().__init__() |
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assert offline_processed_text_folder or (data_path and tokenizer) |
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self.lazy = lazy |
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self.max_length = max_length |
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self.dataset_map_fn = dataset_map_fn |
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self.template_map_fn = template_map_fn |
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if isinstance(self.template_map_fn, dict) and self.lazy: |
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_type = self.template_map_fn['type'] |
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del self.template_map_fn['type'] |
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self.template_map_fn = _type(**self.template_map_fn) |
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if offline_processed_text_folder and data_path: |
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print_log( |
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'Both `offline_processed_text_folder` and ' |
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'`data_path` are set, and we load dataset from' |
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'`offline_processed_text_folder` ' |
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f'({offline_processed_text_folder})', |
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logger='current', |
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level=logging.WARNING) |
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if offline_processed_text_folder is not None: |
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raise NotImplementedError |
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else: |
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json_data = self.json_file_preprocess(data_path) |
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self.json_data = json_data |
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json_data = self.filter_hf_require_infos(json_data) |
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hf_json_data = DatasetDict({'train': HFDataset.from_list(json_data)}) |
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if self.lazy: |
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self.text_data = build_origin_dataset(json_data, 'train') |
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else: |
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self.text_data = process_hf_dataset( |
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dataset=hf_json_data, |
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tokenizer=tokenizer, |
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max_length=max_length, |
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dataset_map_fn=dataset_map_fn, |
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template_map_fn=template_map_fn, |
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split='train', |
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max_dataset_length=max_dataset_length, |
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remove_unused_columns=False, |
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pack_to_max_length=False, |
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with_image_token=True, |
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map_num_proc=num_proc, |
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) |
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self.image_folder = image_folder |
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size = image_processor.crop_size |
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if isinstance(size, int): |
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self.image_h, self.image_w = size, size |
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else: |
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self.image_w, self.image_h = size |
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if isinstance(image_processor, dict) or isinstance( |
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image_processor, Config) or isinstance(image_processor, |
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ConfigDict): |
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self.image_processor = BUILDER.build(image_processor) |
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else: |
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self.image_processor = image_processor |
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self.pad_image_to_square = pad_image_to_square |
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self.down_ratio = 1 |
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self.repeats = repeats |
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self.tokenizer = tokenizer |
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def filter_hf_require_infos(self, dataset_infos): |
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ret = [] |
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for dataset_info in dataset_infos: |
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description = dataset_info["description"] |
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image = dataset_info['file_name'] |
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required_info = {'image': image, 'description': description} |
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ret.append(required_info) |
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return ret |
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def json_file_preprocess(self, data_path): |
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with open(data_path, 'r') as f: |
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json_file = json.load(f) |
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ret = [] |
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for item in json_file: |
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item.update({'image': item['file_name']}) |
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if len(item["description"]) != len(item["annotation"]): |
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print("The number of description is not equal to seg !!!") |
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else: |
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ret.append(item) |
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return ret |
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@property |
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def modality_length(self): |
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length_list = [] |
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for data_dict in self.text_data: |
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if self.lazy: |
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cur_len = 100 |
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else: |
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cur_len = len(data_dict['input_ids']) |
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if data_dict.get('image', None) is None: |
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cur_len = -cur_len |
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length_list.append(cur_len) |
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return length_list |
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def __len__(self): |
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return len(self.text_data) * self.repeats |
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def real_len(self): |
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return len(self.text_data) |
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def decode_mask(self, object_masks, ori_height, ori_width): |
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binary_masks = [] |
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for object_mask in object_masks: |
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binary_mask = np.zeros((ori_height, ori_width), dtype=np.uint8) |
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for seg in object_mask: |
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rles = mask.frPyObjects([seg], ori_height, ori_width) |
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m = mask.decode(rles) |
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m = m.astype(np.uint8) |
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binary_mask += m.squeeze() |
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binary_masks.append(binary_mask) |
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if len(binary_masks) == 0: |
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return None |
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masks = np.stack(binary_masks, axis=0) |
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if self.pad_image_to_square: |
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masks = expand2square_mask(masks) |
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masks = torch.from_numpy(masks) |
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masks = F.interpolate(masks.unsqueeze(0), size=(self.image_h // self.down_ratio, self.image_w // self.down_ratio), mode='nearest').squeeze(0) |
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return masks |
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def __getitem__(self, index): |
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index = index % self.real_len() |
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data_dict = copy.deepcopy(self.json_data[index]) |
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data_dict.update(self.text_data[index]) |
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if self.lazy: |
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result = self.dataset_map_fn(data_dict) |
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data_dict.update(result) |
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result = self.template_map_fn(data_dict) |
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data_dict.update(result) |
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result = encode_fn(data_dict, tokenizer=self.tokenizer, max_length=self.max_length, with_image_token=True) |
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data_dict.update(result) |
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assert 'image' in data_dict.keys() |
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if data_dict.get('image', None) is not None: |
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image_file = data_dict['image'] |
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image = Image.open(os.path.join(self.image_folder, |
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image_file)).convert('RGB') |
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ori_width, ori_height = image.size |
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if self.pad_image_to_square: |
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image = expand2square( |
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image, |
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tuple( |
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int(x * 255) for x in self.image_processor.image_mean)) |
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image = self.image_processor.preprocess( |
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image, return_tensors='pt')['pixel_values'][0] |
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data_dict['pixel_values'] = image |
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annotations = data_dict['annotation'] |
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sampled_inds = data_dict['sampled_inds'] |
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annotations = [annotations[idx]['segmentation'] for idx in sampled_inds] |
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data_dict['regions'] = self.decode_mask(annotations, ori_height=ori_height, ori_width=ori_width) |
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if data_dict['regions'] is None or len(data_dict['regions']) != len(sampled_inds): |
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print("Bad data item !!!") |
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return self.__getitem__(0) |
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seg_region_idx = data_dict['seg_region_idx'] |
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if len(seg_region_idx) == 0: |
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data_dict['masks'] = None |
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else: |
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data_dict['masks'] = data_dict['regions'][seg_region_idx] |
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else: |
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if hasattr(self.image_processor, 'crop_size'): |
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crop_size = self.image_processor.crop_size |
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else: |
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crop_size = self.image_processor.size |
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data_dict['pixel_values'] = torch.zeros(3, crop_size['height'], |
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crop_size['width']) |
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data_dict['masks'] = None |
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data_dict['regions'] = None |
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return data_dict |
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class OspreyRegionConversationDataset(Dataset): |
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def __init__(self, |
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image_folder, |
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image_processor, |
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data_path=None, |
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tokenizer=None, |
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offline_processed_text_folder=None, |
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max_dataset_length=None, |
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dataset_map_fn=None, |
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template_map_fn=None, |
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max_length=2048, |
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pad_image_to_square=False, |
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num_proc=32, |
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lazy=False, |
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repeats=1): |
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super().__init__() |
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assert offline_processed_text_folder or (data_path and tokenizer) |
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self.lazy = lazy |
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self.max_length = max_length |
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self.dataset_map_fn = dataset_map_fn |
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self.template_map_fn = template_map_fn |
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if isinstance(self.template_map_fn, dict) and self.lazy: |
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_type = self.template_map_fn['type'] |
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del self.template_map_fn['type'] |
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self.template_map_fn = _type(**self.template_map_fn) |
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if offline_processed_text_folder and data_path: |
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print_log( |
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'Both `offline_processed_text_folder` and ' |
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'`data_path` are set, and we load dataset from' |
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'`offline_processed_text_folder` ' |
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f'({offline_processed_text_folder})', |
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logger='current', |
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level=logging.WARNING) |
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if offline_processed_text_folder is not None: |
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raise NotImplementedError |
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else: |
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json_data = self.json_file_preprocess(data_path) |
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self.json_data = json_data |
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json_data = self.filter_hf_require_infos(json_data) |
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hf_json_data = DatasetDict({'train': HFDataset.from_list(json_data)}) |
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if self.lazy: |
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self.text_data = build_origin_dataset(json_data, 'train') |
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else: |
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self.text_data = process_hf_dataset( |
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dataset=hf_json_data, |
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tokenizer=tokenizer, |
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max_length=max_length, |
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dataset_map_fn=dataset_map_fn, |
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template_map_fn=template_map_fn, |
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split='train', |
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max_dataset_length=max_dataset_length, |
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remove_unused_columns=False, |
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pack_to_max_length=False, |
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with_image_token=True, |
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map_num_proc=num_proc, |
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) |
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self.image_folder = image_folder |
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size = image_processor.crop_size |
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if isinstance(size, int): |
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self.image_h, self.image_w = size, size |
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else: |
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self.image_w, self.image_h = size |
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if isinstance(image_processor, dict) or isinstance( |
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image_processor, Config) or isinstance(image_processor, |
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ConfigDict): |
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self.image_processor = BUILDER.build(image_processor) |
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else: |
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self.image_processor = image_processor |
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self.pad_image_to_square = pad_image_to_square |
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self.down_ratio = 1 |
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self.repeats = repeats |
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self.tokenizer = tokenizer |
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def filter_hf_require_infos(self, dataset_infos): |
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ret = [] |
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for dataset_info in dataset_infos: |
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conversations = dataset_info["conversations"] |
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image = dataset_info['file_name'] |
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num_regions = len(dataset_info['annotation']) |
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required_info = {'image': image, 'conversations': conversations, |
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'num_regions': num_regions} |
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ret.append(required_info) |
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return ret |
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def json_file_preprocess(self, data_path): |
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with open(data_path, 'r') as f: |
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json_file = json.load(f) |
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ret = [] |
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for dataset_info in json_file: |
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if 'annotation' not in dataset_info or len(dataset_info['annotation']) == 0: |
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print("The annotation is not valid, filter out!!!") |
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continue |
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dataset_info.update({'image': dataset_info['file_name']}) |
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ret.append(dataset_info) |
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return ret |
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@property |
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def modality_length(self): |
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length_list = [] |
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for data_dict in self.text_data: |
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if self.lazy: |
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cur_len = 100 |
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else: |
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cur_len = len(data_dict['input_ids']) |
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if data_dict.get('image', None) is None: |
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cur_len = -cur_len |
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length_list.append(cur_len) |
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return length_list |
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def __len__(self): |
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return len(self.text_data) * self.repeats |
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def real_len(self): |
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return len(self.text_data) |
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def decode_mask(self, object_masks, ori_height, ori_width): |
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binary_masks = [] |
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for object_mask in object_masks: |
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binary_mask = np.zeros((ori_height, ori_width), dtype=np.uint8) |
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for seg in object_mask: |
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rles = mask.frPyObjects([seg], ori_height, ori_width) |
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m = mask.decode(rles) |
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m = m.astype(np.uint8) |
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binary_mask += m.squeeze() |
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binary_masks.append(binary_mask) |
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if len(binary_masks) == 0: |
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return None |
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masks = np.stack(binary_masks, axis=0) |
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if self.pad_image_to_square: |
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masks = expand2square_mask(masks) |
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masks = torch.from_numpy(masks) |
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masks = F.interpolate(masks.unsqueeze(0), size=(self.image_h // self.down_ratio, self.image_w // self.down_ratio), mode='nearest').squeeze(0) |
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return masks |
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def __getitem__(self, index): |
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index = index % self.real_len() |
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data_dict = copy.deepcopy(self.json_data[index]) |
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data_dict.update(self.text_data[index]) |
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if self.lazy: |
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result = self.dataset_map_fn(data_dict) |
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data_dict.update(result) |
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result = self.template_map_fn(data_dict) |
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data_dict.update(result) |
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result = encode_fn(data_dict, tokenizer=self.tokenizer, max_length=self.max_length, with_image_token=True) |
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data_dict.update(result) |
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assert 'image' in data_dict.keys(), data_dict.keys() |
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if data_dict.get('image', None) is not None: |
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image_file = data_dict['image'] |
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image = Image.open(os.path.join(self.image_folder, |
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image_file)).convert('RGB') |
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ori_width, ori_height = image.size |
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if self.pad_image_to_square: |
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image = expand2square( |
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image, |
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tuple( |
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int(x * 255) for x in self.image_processor.image_mean)) |
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image = self.image_processor.preprocess( |
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image, return_tensors='pt')['pixel_values'][0] |
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data_dict['pixel_values'] = image |
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annotations = data_dict['annotation'] |
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annotations = [annotations[idx]['segmentation'] for idx in range(len(annotations))] |
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data_dict['regions'] = self.decode_mask(annotations, ori_height=ori_height, ori_width=ori_width) |
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if data_dict['regions'] is None: |
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return self.__getitem__(0) |
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data_dict['masks'] = None |
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else: |
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if hasattr(self.image_processor, 'crop_size'): |
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crop_size = self.image_processor.crop_size |
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else: |
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crop_size = self.image_processor.size |
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data_dict['pixel_values'] = torch.zeros(3, crop_size['height'], |
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crop_size['width']) |
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data_dict['masks'] = None |
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data_dict['regions'] = None |
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return data_dict |
