59 lines
2.3 KiB
Python
59 lines
2.3 KiB
Python
# https://github.com/advimman/lama
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import yaml
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import torch
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from omegaconf import OmegaConf
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import numpy as np
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from einops import rearrange
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import os
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from modules import devices
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from annotator.annotator_path import models_path
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from annotator.lama.saicinpainting.training.trainers import load_checkpoint
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class LamaInpainting:
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model_dir = os.path.join(models_path, "lama")
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def __init__(self):
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self.model = None
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self.device = devices.get_device_for("controlnet")
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def load_model(self):
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remote_model_path = "https://huggingface.co/lllyasviel/Annotators/resolve/main/ControlNetLama.pth"
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modelpath = os.path.join(self.model_dir, "ControlNetLama.pth")
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if not os.path.exists(modelpath):
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from basicsr.utils.download_util import load_file_from_url
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load_file_from_url(remote_model_path, model_dir=self.model_dir)
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config_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'config.yaml')
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cfg = yaml.safe_load(open(config_path, 'rt'))
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cfg = OmegaConf.create(cfg)
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cfg.training_model.predict_only = True
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cfg.visualizer.kind = 'noop'
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self.model = load_checkpoint(cfg, os.path.abspath(modelpath), strict=False, map_location='cpu')
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self.model = self.model.to(self.device)
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self.model.eval()
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def unload_model(self):
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if self.model is not None:
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self.model.cpu()
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def __call__(self, input_image):
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if self.model is None:
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self.load_model()
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self.model.to(self.device)
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color = np.ascontiguousarray(input_image[:, :, 0:3]).astype(np.float32) / 255.0
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mask = np.ascontiguousarray(input_image[:, :, 3:4]).astype(np.float32) / 255.0
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with torch.no_grad():
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color = torch.from_numpy(color).float().to(self.device)
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mask = torch.from_numpy(mask).float().to(self.device)
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mask = (mask > 0.5).float()
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color = color * (1 - mask)
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image_feed = torch.cat([color, mask], dim=2)
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image_feed = rearrange(image_feed, 'h w c -> 1 c h w')
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result = self.model(image_feed)[0]
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result = rearrange(result, 'c h w -> h w c')
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result = result * mask + color * (1 - mask)
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result *= 255.0
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return result.detach().cpu().numpy().clip(0, 255).astype(np.uint8)
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