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| import cv2 | |
| import torch | |
| import numpy as np | |
| from PIL import Image | |
| from diffusers.utils import load_image | |
| from diffusers.models import ControlNetModel | |
| from insightface.app import FaceAnalysis | |
| from pipeline_stable_diffusion_xl_instantid_img2img import StableDiffusionXLInstantIDImg2ImgPipeline, draw_kps | |
| def resize_img(input_image, max_side=1280, min_side=1024, size=None, | |
| pad_to_max_side=False, mode=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 | |
| if __name__ == "__main__": | |
| # 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=torch.float16) | |
| base_model_path = 'stabilityai/stable-diffusion-xl-base-1.0' | |
| pipe = StableDiffusionXLInstantIDImg2ImgPipeline.from_pretrained( | |
| base_model_path, | |
| controlnet=controlnet, | |
| torch_dtype=torch.float16, | |
| ) | |
| pipe.cuda() | |
| pipe.load_ip_adapter_instantid(face_adapter) | |
| # Infer setting | |
| prompt = "analog film photo of a man. faded film, desaturated, 35mm photo, grainy, vignette, vintage, Kodachrome, Lomography, stained, highly detailed, found footage, masterpiece, best quality" | |
| n_prompt = "(lowres, low quality, worst quality:1.2), (text:1.2), watermark, painting, drawing, illustration, glitch, deformed, mutated, cross-eyed, ugly, disfigured (lowres, low quality, worst quality:1.2), (text:1.2), watermark, painting, drawing, illustration, glitch,deformed, mutated, cross-eyed, ugly, disfigured" | |
| face_image = load_image("./examples/yann-lecun_resize.jpg") | |
| face_image = resize_img(face_image) | |
| face_info = app.get(cv2.cvtColor(np.array(face_image), cv2.COLOR_RGB2BGR)) | |
| 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(face_image, face_info['kps']) | |
| image = pipe( | |
| prompt=prompt, | |
| negative_prompt=n_prompt, | |
| image=face_image, | |
| image_embeds=face_emb, | |
| control_image=face_kps, | |
| controlnet_conditioning_scale=0.8, | |
| ip_adapter_scale=0.8, | |
| num_inference_steps=30, | |
| guidance_scale=5, | |
| strength=0.85 | |
| ).images[0] | |
| image.save('result.jpg') |