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app.py

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+import sys
+sys.path.append('./')
+
+from typing import Tuple
+
+import os
+import cv2
+import math
+import torch
+import random
+import numpy as np
+import argparse
+
+import PIL
+from PIL import Image
+
+import diffusers
+from diffusers.utils import load_image
+from diffusers.models import ControlNetModel
+from diffusers import LCMScheduler
+
+from huggingface_hub import hf_hub_download
+
+import insightface
+from insightface.app import FaceAnalysis
+
+from style_template import styles
+from pipeline_stable_diffusion_xl_instantid_full import StableDiffusionXLInstantIDPipeline
+from model_util import load_models_xl, get_torch_device, torch_gc
+
+import gradio as gr
+
+# global variable
+MAX_SEED = np.iinfo(np.int32).max
+device = get_torch_device()
+dtype = torch.float16 if str(device).__contains__("cuda") else torch.float32
+STYLE_NAMES = list(styles.keys())
+DEFAULT_STYLE_NAME = "Watercolor"
+
+# Load face encoder
+app = FaceAnalysis(name='antelopev2', root='./', providers=['CUDAExecutionProvider', 'CPUExecutionProvider'])
+app.prepare(ctx_id=0, det_size=(640, 640))
+
+# Path to InstantID models
+face_adapter = f'./checkpoints/ip-adapter.bin'
+controlnet_path = f'./checkpoints/ControlNetModel'
+
+# Load pipeline
+controlnet = ControlNetModel.from_pretrained(controlnet_path, torch_dtype=dtype)
+
+def main(pretrained_model_name_or_path="wangqixun/YamerMIX_v8", enable_lcm_arg=False):
+
+    if pretrained_model_name_or_path.endswith(
+            ".ckpt"
+        ) or pretrained_model_name_or_path.endswith(".safetensors"):
+            scheduler_kwargs = hf_hub_download(
+                repo_id="wangqixun/YamerMIX_v8",
+                subfolder="scheduler",
+                filename="scheduler_config.json",
+            )
+
+            (tokenizers, text_encoders, unet, _, vae) = load_models_xl(
+                pretrained_model_name_or_path=pretrained_model_name_or_path,
+                scheduler_name=None,
+                weight_dtype=dtype,
+            )
+
+            scheduler = diffusers.EulerDiscreteScheduler.from_config(scheduler_kwargs)
+            pipe = StableDiffusionXLInstantIDPipeline(
+                vae=vae,
+                text_encoder=text_encoders[0],
+                text_encoder_2=text_encoders[1],
+                tokenizer=tokenizers[0],
+                tokenizer_2=tokenizers[1],
+                unet=unet,
+                scheduler=scheduler,
+                controlnet=controlnet,
+            ).to(device)
+
+    else:
+        pipe = StableDiffusionXLInstantIDPipeline.from_pretrained(
+            pretrained_model_name_or_path,
+            controlnet=controlnet,
+            torch_dtype=dtype,
+            safety_checker=None,
+            feature_extractor=None,
+        ).to(device)
+
+        pipe.scheduler = diffusers.EulerDiscreteScheduler.from_config(pipe.scheduler.config)
+
+    pipe.load_ip_adapter_instantid(face_adapter)
+    # load and disable LCM
+    pipe.load_lora_weights("latent-consistency/lcm-lora-sdxl")
+    pipe.disable_lora()
+    def toggle_lcm_ui(value):
+        if value:
+            return (
+                gr.update(minimum=0, maximum=100, step=1, value=5),
+                gr.update(minimum=0.1, maximum=20.0, step=0.1, value=1.5)
+            )
+        else:
+            return (
+                gr.update(minimum=5, maximum=100, step=1, value=30),
+                gr.update(minimum=0.1, maximum=20.0, step=0.1, value=5)
+            )
+    
+    def randomize_seed_fn(seed: int, randomize_seed: bool) -> int:
+        if randomize_seed:
+            seed = random.randint(0, MAX_SEED)
+        return seed
+    
+    def remove_tips():
+        return gr.update(visible=False)
+
+    def get_example():
+        case = [
+            [
+                './examples/yann-lecun_resize.jpg',
+                "a man",
+                "Snow",
+                "(lowres, low quality, worst quality:1.2), (text:1.2), watermark, (frame:1.2), deformed, ugly, deformed eyes, blur, out of focus, blurry, deformed cat, deformed, photo, anthropomorphic cat, monochrome, photo, pet collar, gun, weapon, blue, 3d, drones, drone, buildings in background, green",
+            ],
+            [
+                './examples/musk_resize.jpeg',
+                "a man",
+                "Mars",
+                "(lowres, low quality, worst quality:1.2), (text:1.2), watermark, (frame:1.2), deformed, ugly, deformed eyes, blur, out of focus, blurry, deformed cat, deformed, photo, anthropomorphic cat, monochrome, photo, pet collar, gun, weapon, blue, 3d, drones, drone, buildings in background, green",
+            ],
+            [
+                './examples/sam_resize.png',
+                "a man",
+                "Jungle",
+                "(lowres, low quality, worst quality:1.2), (text:1.2), watermark, (frame:1.2), deformed, ugly, deformed eyes, blur, out of focus, blurry, deformed cat, deformed, photo, anthropomorphic cat, monochrome, photo, pet collar, gun, weapon, blue, 3d, drones, drone, buildings in background, gree",
+            ],
+            [
+                './examples/schmidhuber_resize.png',
+                "a man",
+                "Neon",
+                "(lowres, low quality, worst quality:1.2), (text:1.2), watermark, (frame:1.2), deformed, ugly, deformed eyes, blur, out of focus, blurry, deformed cat, deformed, photo, anthropomorphic cat, monochrome, photo, pet collar, gun, weapon, blue, 3d, drones, drone, buildings in background, green",
+            ],
+            [
+                './examples/kaifu_resize.png',
+                "a man",
+                "Vibrant Color",
+                "(lowres, low quality, worst quality:1.2), (text:1.2), watermark, (frame:1.2), deformed, ugly, deformed eyes, blur, out of focus, blurry, deformed cat, deformed, photo, anthropomorphic cat, monochrome, photo, pet collar, gun, weapon, blue, 3d, drones, drone, buildings in background, green",
+            ],
+        ]
+        return case
+
+    def run_for_examples(face_file, prompt, style, negative_prompt):
+        return generate_image(face_file, None, prompt, negative_prompt, style, 30, 0.8, 0.8, 5, 42, False, True)
+
+    def convert_from_cv2_to_image(img: np.ndarray) -> Image:
+        return Image.fromarray(cv2.cvtColor(img, cv2.COLOR_BGR2RGB))
+
+    def convert_from_image_to_cv2(img: Image) -> np.ndarray:
+        return cv2.cvtColor(np.array(img), cv2.COLOR_RGB2BGR)
+
+    def draw_kps(image_pil, kps, color_list=[(255,0,0), (0,255,0), (0,0,255), (255,255,0), (255,0,255)]):
+        stickwidth = 4
+        limbSeq = np.array([[0, 2], [1, 2], [3, 2], [4, 2]])
+        kps = np.array(kps)
+
+        w, h = image_pil.size
+        out_img = np.zeros([h, w, 3])
+
+        for i in range(len(limbSeq)):
+            index = limbSeq[i]
+            color = color_list[index[0]]
+
+            x = kps[index][:, 0]
+            y = kps[index][:, 1]
+            length = ((x[0] - x[1]) ** 2 + (y[0] - y[1]) ** 2) ** 0.5
+            angle = math.degrees(math.atan2(y[0] - y[1], x[0] - x[1]))
+            polygon = cv2.ellipse2Poly((int(np.mean(x)), int(np.mean(y))), (int(length / 2), stickwidth), int(angle), 0, 360, 1)
+            out_img = cv2.fillConvexPoly(out_img.copy(), polygon, color)
+        out_img = (out_img * 0.6).astype(np.uint8)
+
+        for idx_kp, kp in enumerate(kps):
+            color = color_list[idx_kp]
+            x, y = kp
+            out_img = cv2.circle(out_img.copy(), (int(x), int(y)), 10, color, -1)
+
+        out_img_pil = Image.fromarray(out_img.astype(np.uint8))
+        return out_img_pil
+
+    def resize_img(input_image, max_side=1280, min_side=1024, size=None, 
+                pad_to_max_side=False, mode=PIL.Image.BILINEAR, base_pixel_number=64):
+
+            w, h = input_image.size
+            if size is not None:
+                w_resize_new, h_resize_new = size
+            else:
+                ratio = min_side / min(h, w)
+                w, h = round(ratio*w), round(ratio*h)
+                ratio = max_side / max(h, w)
+                input_image = input_image.resize([round(ratio*w), round(ratio*h)], mode)
+                w_resize_new = (round(ratio * w) // base_pixel_number) * base_pixel_number
+                h_resize_new = (round(ratio * h) // base_pixel_number) * base_pixel_number
+            input_image = input_image.resize([w_resize_new, h_resize_new], mode)
+
+            if pad_to_max_side:
+                res = np.ones([max_side, max_side, 3], dtype=np.uint8) * 255
+                offset_x = (max_side - w_resize_new) // 2
+                offset_y = (max_side - h_resize_new) // 2
+                res[offset_y:offset_y+h_resize_new, offset_x:offset_x+w_resize_new] = np.array(input_image)
+                input_image = Image.fromarray(res)
+            return input_image
+
+    def apply_style(style_name: str, positive: str, negative: str = "") -> Tuple[str, str]:
+        p, n = styles.get(style_name, styles[DEFAULT_STYLE_NAME])
+        return p.replace("{prompt}", positive), n + ' ' + negative
+
+    def generate_image(face_image_path, pose_image_path, prompt, negative_prompt, style_name, num_steps, identitynet_strength_ratio, adapter_strength_ratio, guidance_scale, seed, enable_LCM, enhance_face_region, progress=gr.Progress(track_tqdm=True)):
+        if enable_LCM:
+            pipe.enable_lora()
+            pipe.scheduler = LCMScheduler.from_config(pipe.scheduler.config)
+        else:
+            pipe.disable_lora()
+            pipe.scheduler = diffusers.EulerDiscreteScheduler.from_config(pipe.scheduler.config)
+    
+        if face_image_path is None:
+            raise gr.Error(f"Cannot find any input face image! Please upload the face image")
+        
+        if prompt is None:
+            prompt = "a person"
+        
+        # apply the style template
+        prompt, negative_prompt = apply_style(style_name, prompt, negative_prompt)
+        
+        face_image = load_image(face_image_path)
+        face_image = resize_img(face_image)
+        face_image_cv2 = convert_from_image_to_cv2(face_image)
+        height, width, _ = face_image_cv2.shape
+        
+        # Extract face features
+        face_info = app.get(face_image_cv2)
+        
+        if len(face_info) == 0:
+            raise gr.Error(f"Cannot find any face in the image! Please upload another person image")
+        
+        face_info = sorted(face_info, key=lambda x:(x['bbox'][2]-x['bbox'][0])*(x['bbox'][3]-x['bbox'][1]))[-1]  # only use the maximum face
+        face_emb = face_info['embedding']
+        face_kps = draw_kps(convert_from_cv2_to_image(face_image_cv2), face_info['kps'])
+        
+        if pose_image_path is not None:
+            pose_image = load_image(pose_image_path)
+            pose_image = resize_img(pose_image)
+            pose_image_cv2 = convert_from_image_to_cv2(pose_image)
+            
+            face_info = app.get(pose_image_cv2)
+            
+            if len(face_info) == 0:
+                raise gr.Error(f"Cannot find any face in the reference image! Please upload another person image")
+            
+            face_info = face_info[-1]
+            face_kps = draw_kps(pose_image, face_info['kps'])
+            
+            width, height = face_kps.size
+
+        if enhance_face_region:
+            control_mask = np.zeros([height, width, 3])
+            x1, y1, x2, y2 = face_info["bbox"]
+            x1, y1, x2, y2 = int(x1), int(y1), int(x2), int(y2)
+            control_mask[y1:y2, x1:x2] = 255
+            control_mask = Image.fromarray(control_mask.astype(np.uint8))
+        else:
+            control_mask = None
+                        
+        generator = torch.Generator(device=device).manual_seed(seed)
+        
+        print("Start inference...")
+        print(f"[Debug] Prompt: {prompt}, \n[Debug] Neg Prompt: {negative_prompt}")
+        
+        pipe.set_ip_adapter_scale(adapter_strength_ratio)
+        images = pipe(
+            prompt=prompt,
+            negative_prompt=negative_prompt,
+            image_embeds=face_emb,
+            image=face_kps,
+            control_mask=control_mask,
+            controlnet_conditioning_scale=float(identitynet_strength_ratio),
+            num_inference_steps=num_steps,
+            guidance_scale=guidance_scale,
+            height=height,
+            width=width,
+            generator=generator
+        ).images
+
+        return images[0], gr.update(visible=True)
+
+    ### Description
+    title = r"""
+    <h1 align="center">InstantID: Zero-shot Identity-Preserving Generation in Seconds</h1>
+    """
+
+    description = r"""
+    <b>Official 🤗 Gradio demo</b> for <a href='https://github.com/InstantID/InstantID' target='_blank'><b>InstantID: Zero-shot Identity-Preserving Generation in Seconds</b></a>.<br>
+
+    How to use:<br>
+    1. Upload an image with a face. For images with multiple faces, we will only detect the largest face. Ensure the face is not too small and is clearly visible without significant obstructions or blurring.
+    2. (Optional) You can upload another image as a reference for the face pose. If you don't, we will use the first detected face image to extract facial landmarks. If you use a cropped face at step 1, it is recommended to upload it to define a new face pose.
+    3. Enter a text prompt, as done in normal text-to-image models.
+    4. Click the <b>Submit</b> button to begin customization.
+    5. Share your customized photo with your friends and enjoy! 😊
+    """
+
+    article = r"""
+    ---
+    📝 **Citation**
+    <br>
+    If our work is helpful for your research or applications, please cite us via:
+    ```bibtex
+    @article{wang2024instantid,
+    title={InstantID: Zero-shot Identity-Preserving Generation in Seconds},
+    author={Wang, Qixun and Bai, Xu and Wang, Haofan and Qin, Zekui and Chen, Anthony},
+    journal={arXiv preprint arXiv:2401.07519},
+    year={2024}
+    }
+    ```
+    📧 **Contact**
+    <br>
+    If you have any questions, please feel free to open an issue or directly reach us out at <b>haofanwang.ai@gmail.com</b>.
+    """
+
+    tips = r"""
+    ### Usage tips of InstantID
+    1. If you're not satisfied with the similarity, try increasing the weight of "IdentityNet Strength" and "Adapter Strength."    
+    2. If you feel that the saturation is too high, first decrease the Adapter strength. If it remains too high, then decrease the IdentityNet strength.
+    3. If you find that text control is not as expected, decrease Adapter strength.
+    4. If you find that realistic style is not good enough, go for our Github repo and use a more realistic base model.
+    """
+
+    css = '''
+    .gradio-container {width: 85% !important}
+    '''
+    with gr.Blocks(css=css) as demo:
+
+        # description
+        gr.Markdown(title)
+        gr.Markdown(description)
+
+        with gr.Row():
+            with gr.Column():
+                
+                # upload face image
+                face_file = gr.Image(label="Upload a photo of your face", type="filepath")
+
+                # optional: upload a reference pose image
+                pose_file = gr.Image(label="Upload a reference pose image (optional)", type="filepath")
+           
+                # prompt
+                prompt = gr.Textbox(label="Prompt",
+                        info="Give simple prompt is enough to achieve good face fidelity",
+                        placeholder="A photo of a person",
+                        value="")
+                
+                submit = gr.Button("Submit", variant="primary")
+                
+                enable_LCM = gr.Checkbox(
+                    label="Enable Fast Inference with LCM", value=enable_lcm_arg,
+                    info="LCM speeds up the inference step, the trade-off is the quality of the generated image. It performs better with portrait face images rather than distant faces",
+                )
+                style = gr.Dropdown(label="Style template", choices=STYLE_NAMES, value=DEFAULT_STYLE_NAME)
+                
+                # strength
+                identitynet_strength_ratio = gr.Slider(
+                    label="IdentityNet strength (for fidelity)",
+                    minimum=0,
+                    maximum=1.5,
+                    step=0.05,
+                    value=0.80,
+                )
+                adapter_strength_ratio = gr.Slider(
+                    label="Image adapter strength (for detail)",
+                    minimum=0,
+                    maximum=1.5,
+                    step=0.05,
+                    value=0.80,
+                )
+                
+                with gr.Accordion(open=False, label="Advanced Options"):
+                    negative_prompt = gr.Textbox(
+                        label="Negative Prompt", 
+                        placeholder="low quality",
+                        value="(lowres, low quality, worst quality:1.2), (text:1.2), watermark, (frame:1.2), deformed, ugly, deformed eyes, blur, out of focus, blurry, deformed cat, deformed, photo, anthropomorphic cat, monochrome, pet collar, gun, weapon, blue, 3d, drones, drone, buildings in background, green",
+                    )
+                    num_steps = gr.Slider( 
+                        label="Number of sample steps",
+                        minimum=20,
+                        maximum=100,
+                        step=1,
+                        value=5 if enable_lcm_arg else 30,
+                    )
+                    guidance_scale = gr.Slider(
+                        label="Guidance scale",
+                        minimum=0.1,
+                        maximum=10.0,
+                        step=0.1,
+                        value=0 if enable_lcm_arg else 5,
+                    )
+                    seed = gr.Slider(
+                        label="Seed",
+                        minimum=0,
+                        maximum=MAX_SEED,
+                        step=1,
+                        value=42,
+                    )
+                    randomize_seed = gr.Checkbox(label="Randomize seed", value=True)
+                    enhance_face_region = gr.Checkbox(label="Enhance non-face region", value=True)
+
+            with gr.Column():
+                gallery = gr.Image(label="Generated Images")
+                usage_tips = gr.Markdown(label="Usage tips of InstantID", value=tips ,visible=False)
+
+            submit.click(
+                fn=remove_tips,
+                outputs=usage_tips,            
+            ).then(
+                fn=randomize_seed_fn,
+                inputs=[seed, randomize_seed],
+                outputs=seed,
+                queue=False,
+                api_name=False,
+            ).then(
+                fn=generate_image,
+                inputs=[face_file, pose_file, prompt, negative_prompt, style, num_steps, identitynet_strength_ratio, adapter_strength_ratio, guidance_scale, seed, enable_LCM, enhance_face_region],
+                outputs=[gallery, usage_tips]
+            )
+        
+            enable_LCM.input(fn=toggle_lcm_ui, inputs=[enable_LCM], outputs=[num_steps, guidance_scale], queue=False)
+
+        gr.Examples(
+            examples=get_example(),
+            inputs=[face_file, prompt, style, negative_prompt],
+            run_on_click=True,
+            fn=run_for_examples,
+            outputs=[gallery, usage_tips],
+            cache_examples=True,
+        )
+        
+        gr.Markdown(article)
+
+    demo.launch()
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--pretrained_model_name_or_path", type=str, default="wangqixun/YamerMIX_v8")
+    parser.add_argument("--enable_LCM", type=bool, default=os.environ.get("ENABLE_LCM", False))
+
+    args = parser.parse_args()
+
+    main(args.pretrained_model_name_or_path, args.enable_LCM)

requirements.txt

@@ -0,0 +1,18 @@
+diffusers==0.25.1
+torch==2.0.0
+torchvision==0.15.1
+transformers==4.37.1
+accelerate
+safetensors
+einops
+onnxruntime-gpu
+spaces==0.19.4
+omegaconf
+peft
+huggingface-hub==0.20.2
+opencv-python
+insightface
+gradio
+controlnet_aux
+gdown
+peft