import cv2 import einops import numpy as np import torch import random from pytorch_lightning import seed_everything from cldm.model import create_model, load_state_dict from cldm.ddim_hacked import DDIMSampler from cldm.hack import disable_verbosity, enable_sliced_attention from datasets.data_utils import * cv2.setNumThreads(0) cv2.ocl.setUseOpenCL(False) import albumentations as A from omegaconf import OmegaConf from PIL import Image save_memory = False disable_verbosity() if save_memory: enable_sliced_attention() config = OmegaConf.load('./configs/inference.yaml') model_ckpt = config.pretrained_model model_config = config.config_file model = create_model(model_config ).cpu() model.load_state_dict(load_state_dict(model_ckpt, location='cuda')) model = model.cuda() ddim_sampler = DDIMSampler(model) def aug_data_mask(image, mask): transform = A.Compose([ A.HorizontalFlip(p=0.5), A.RandomBrightnessContrast(p=0.5), ]) transformed = transform(image=image.astype(np.uint8), mask = mask) transformed_image = transformed["image"] transformed_mask = transformed["mask"] return transformed_image, transformed_mask def process_pairs(ref_image, ref_mask, tar_image, tar_mask): # ========= Reference =========== # ref expand ref_box_yyxx = get_bbox_from_mask(ref_mask) # ref filter mask ref_mask_3 = np.stack([ref_mask,ref_mask,ref_mask],-1) masked_ref_image = ref_image * ref_mask_3 + np.ones_like(ref_image) * 255 * (1-ref_mask_3) y1,y2,x1,x2 = ref_box_yyxx masked_ref_image = masked_ref_image[y1:y2,x1:x2,:] ref_mask = ref_mask[y1:y2,x1:x2] ratio = np.random.randint(12, 13) / 10 masked_ref_image, ref_mask = expand_image_mask(masked_ref_image, ref_mask, ratio=ratio) ref_mask_3 = np.stack([ref_mask,ref_mask,ref_mask],-1) # to square and resize masked_ref_image = pad_to_square(masked_ref_image, pad_value = 255, random = False) masked_ref_image = cv2.resize(masked_ref_image, (224,224) ).astype(np.uint8) ref_mask_3 = pad_to_square(ref_mask_3 * 255, pad_value = 0, random = False) ref_mask_3 = cv2.resize(ref_mask_3, (224,224) ).astype(np.uint8) ref_mask = ref_mask_3[:,:,0] # ref aug masked_ref_image_aug = masked_ref_image #aug_data(masked_ref_image) # collage aug masked_ref_image_compose, ref_mask_compose = masked_ref_image, ref_mask #aug_data_mask(masked_ref_image, ref_mask) masked_ref_image_aug = masked_ref_image_compose.copy() ref_mask_3 = np.stack([ref_mask_compose,ref_mask_compose,ref_mask_compose],-1) ref_image_collage = sobel(masked_ref_image_compose, ref_mask_compose/255) # ========= Target =========== tar_box_yyxx = get_bbox_from_mask(tar_mask) tar_box_yyxx = expand_bbox(tar_mask, tar_box_yyxx, ratio=[1.1,1.2]) # crop tar_box_yyxx_crop = expand_bbox(tar_image, tar_box_yyxx, ratio=[1.5, 3]) #1.2 1.6 tar_box_yyxx_crop = box2squre(tar_image, tar_box_yyxx_crop) # crop box y1,y2,x1,x2 = tar_box_yyxx_crop cropped_target_image = tar_image[y1:y2,x1:x2,:] tar_box_yyxx = box_in_box(tar_box_yyxx, tar_box_yyxx_crop) y1,y2,x1,x2 = tar_box_yyxx # collage ref_image_collage = cv2.resize(ref_image_collage, (x2-x1, y2-y1)) ref_mask_compose = cv2.resize(ref_mask_compose.astype(np.uint8), (x2-x1, y2-y1)) ref_mask_compose = (ref_mask_compose > 128).astype(np.uint8) collage = cropped_target_image.copy() collage[y1:y2,x1:x2,:] = ref_image_collage collage_mask = cropped_target_image.copy() * 0.0 collage_mask[y1:y2,x1:x2,:] = 1.0 # the size before pad H1, W1 = collage.shape[0], collage.shape[1] cropped_target_image = pad_to_square(cropped_target_image, pad_value = 0, random = False).astype(np.uint8) collage = pad_to_square(collage, pad_value = 0, random = False).astype(np.uint8) collage_mask = pad_to_square(collage_mask, pad_value = -1, random = False).astype(np.uint8) # the size after pad H2, W2 = collage.shape[0], collage.shape[1] cropped_target_image = cv2.resize(cropped_target_image, (512,512)).astype(np.float32) collage = cv2.resize(collage, (512,512)).astype(np.float32) collage_mask = (cv2.resize(collage_mask, (512,512)).astype(np.float32) > 0.5).astype(np.float32) masked_ref_image_aug = masked_ref_image_aug / 255 cropped_target_image = cropped_target_image / 127.5 - 1.0 collage = collage / 127.5 - 1.0 collage = np.concatenate([collage, collage_mask[:,:,:1] ] , -1) item = dict(ref=masked_ref_image_aug.copy(), jpg=cropped_target_image.copy(), hint=collage.copy(), extra_sizes=np.array([H1, W1, H2, W2]), tar_box_yyxx_crop=np.array( tar_box_yyxx_crop ) ) return item def crop_back( pred, tar_image, extra_sizes, tar_box_yyxx_crop): H1, W1, H2, W2 = extra_sizes y1,y2,x1,x2 = tar_box_yyxx_crop pred = cv2.resize(pred, (W2, H2)) m = 5 # maigin_pixel if W1 == H1: tar_image[y1+m :y2-m, x1+m:x2-m, :] = pred[m:-m, m:-m] return tar_image if W1 < W2: pad1 = int((W2 - W1) / 2) pad2 = W2 - W1 - pad1 pred = pred[:,pad1: -pad2, :] else: pad1 = int((H2 - H1) / 2) pad2 = H2 - H1 - pad1 pred = pred[pad1: -pad2, :, :] gen_image = tar_image.copy() gen_image[y1+m :y2-m, x1+m:x2-m, :] = pred[m:-m, m:-m] return gen_image def inference_single_image(ref_image, ref_mask, tar_image, tar_mask, guidance_scale = 5.0): item = process_pairs(ref_image, ref_mask, tar_image, tar_mask) ref = item['ref'] * 255 tar = item['jpg'] * 127.5 + 127.5 hint = item['hint'] * 127.5 + 127.5 hint_image = hint[:,:,:-1] hint_mask = item['hint'][:,:,-1] * 255 hint_mask = np.stack([hint_mask,hint_mask,hint_mask],-1) ref = cv2.resize(ref.astype(np.uint8), (512,512)) seed = random.randint(0, 65535) if save_memory: model.low_vram_shift(is_diffusing=False) ref = item['ref'] tar = item['jpg'] hint = item['hint'] num_samples = 1 control = torch.from_numpy(hint.copy()).float().cuda() control = torch.stack([control for _ in range(num_samples)], dim=0) control = einops.rearrange(control, 'b h w c -> b c h w').clone() clip_input = torch.from_numpy(ref.copy()).float().cuda() clip_input = torch.stack([clip_input for _ in range(num_samples)], dim=0) clip_input = einops.rearrange(clip_input, 'b h w c -> b c h w').clone() guess_mode = False H,W = 512,512 cond = {"c_concat": [control], "c_crossattn": [model.get_learned_conditioning( clip_input )]} un_cond = {"c_concat": None if guess_mode else [control], "c_crossattn": [model.get_learned_conditioning([torch.zeros((1,3,224,224))] * num_samples)]} shape = (4, H // 8, W // 8) if save_memory: model.low_vram_shift(is_diffusing=True) # ==== num_samples = 1 #gr.Slider(label="Images", minimum=1, maximum=12, value=1, step=1) image_resolution = 512 #gr.Slider(label="Image Resolution", minimum=256, maximum=768, value=512, step=64) strength = 1 #gr.Slider(label="Control Strength", minimum=0.0, maximum=2.0, value=1.0, step=0.01) guess_mode = False #gr.Checkbox(label='Guess Mode', value=False) #detect_resolution = 512 #gr.Slider(label="Segmentation Resolution", minimum=128, maximum=1024, value=512, step=1) ddim_steps = 50 #gr.Slider(label="Steps", minimum=1, maximum=100, value=20, step=1) scale = guidance_scale #gr.Slider(label="Guidance Scale", minimum=0.1, maximum=30.0, value=9.0, step=0.1) seed = -1 #gr.Slider(label="Seed", minimum=-1, maximum=2147483647, step=1, randomize=True) eta = 0.0 #gr.Number(label="eta (DDIM)", value=0.0) model.control_scales = [strength * (0.825 ** float(12 - i)) for i in range(13)] if guess_mode else ([strength] * 13) # Magic number. IDK why. Perhaps because 0.825**12<0.01 but 0.826**12>0.01 samples, intermediates = ddim_sampler.sample(ddim_steps, num_samples, shape, cond, verbose=False, eta=eta, unconditional_guidance_scale=scale, unconditional_conditioning=un_cond) if save_memory: model.low_vram_shift(is_diffusing=False) x_samples = model.decode_first_stage(samples) x_samples = (einops.rearrange(x_samples, 'b c h w -> b h w c') * 127.5 + 127.5).cpu().numpy()#.clip(0, 255).astype(np.uint8) result = x_samples[0][:,:,::-1] result = np.clip(result,0,255) pred = x_samples[0] pred = np.clip(pred,0,255)[1:,:,:] sizes = item['extra_sizes'] tar_box_yyxx_crop = item['tar_box_yyxx_crop'] gen_image = crop_back(pred, tar_image, sizes, tar_box_yyxx_crop) return gen_image if __name__ == '__main__': ''' # ==== Example for inferring a single image === reference_image_path = './examples/TestDreamBooth/FG/01.png' bg_image_path = './examples/TestDreamBooth/BG/000000309203_GT.png' bg_mask_path = './examples/TestDreamBooth/BG/000000309203_mask.png' save_path = './examples/TestDreamBooth/GEN/gen_res.png' # reference image + reference mask # You could use the demo of SAM to extract RGB-A image with masks # https://segment-anything.com/demo image = cv2.imread( reference_image_path, cv2.IMREAD_UNCHANGED) mask = (image[:,:,-1] > 128).astype(np.uint8) image = image[:,:,:-1] image = cv2.cvtColor(image.copy(), cv2.COLOR_BGR2RGB) ref_image = image ref_mask = mask # background image back_image = cv2.imread(bg_image_path).astype(np.uint8) back_image = cv2.cvtColor(back_image, cv2.COLOR_BGR2RGB) # background mask tar_mask = cv2.imread(bg_mask_path)[:,:,0] > 128 tar_mask = tar_mask.astype(np.uint8) gen_image = inference_single_image(ref_image, ref_mask, back_image.copy(), tar_mask) h,w = back_image.shape[0], back_image.shape[0] ref_image = cv2.resize(ref_image, (w,h)) vis_image = cv2.hconcat([ref_image, back_image, gen_image]) cv2.imwrite(save_path, vis_image [:,:,::-1]) ''' #''' # ==== Example for inferring VITON-HD Test dataset === from omegaconf import OmegaConf import os DConf = OmegaConf.load('./configs/datasets.yaml') save_dir = './VITONGEN' if not os.path.exists(save_dir): os.mkdir(save_dir) test_dir = DConf.Test.VitonHDTest.image_dir image_names = os.listdir(test_dir) for image_name in image_names: ref_image_path = os.path.join(test_dir, image_name) tar_image_path = ref_image_path.replace('/cloth/', '/image/') ref_mask_path = ref_image_path.replace('/cloth/','/cloth-mask/') tar_mask_path = ref_image_path.replace('/cloth/', '/image-parse-v3/').replace('.jpg','.png') ref_image = cv2.imread(ref_image_path) ref_image = cv2.cvtColor(ref_image, cv2.COLOR_BGR2RGB) gt_image = cv2.imread(tar_image_path) gt_image = cv2.cvtColor(gt_image, cv2.COLOR_BGR2RGB) ref_mask = (cv2.imread(ref_mask_path) > 128).astype(np.uint8)[:,:,0] tar_mask = Image.open(tar_mask_path ).convert('P') tar_mask= np.array(tar_mask) tar_mask = tar_mask == 5 gen_image = inference_single_image(ref_image, ref_mask, gt_image.copy(), tar_mask) gen_path = os.path.join(save_dir, image_name) vis_image = cv2.hconcat([ref_image, gt_image, gen_image]) cv2.imwrite(gen_path, vis_image[:,:,::-1]) #'''