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| ''' | |
| * Copyright (c) 2023 Salesforce, Inc. | |
| * All rights reserved. | |
| * SPDX-License-Identifier: Apache License 2.0 | |
| * For full license text, see LICENSE.txt file in the repo root or http://www.apache.org/licenses/ | |
| * By Can Qin | |
| * Modified from ControlNet repo: https://github.com/lllyasviel/ControlNet | |
| * Copyright (c) 2023 Lvmin Zhang and Maneesh Agrawala | |
| ''' | |
| # MLSD Line Detection | |
| # From https://github.com/navervision/mlsd | |
| # Apache-2.0 license | |
| import cv2 | |
| import numpy as np | |
| import torch | |
| import os | |
| from einops import rearrange | |
| from .models.mbv2_mlsd_tiny import MobileV2_MLSD_Tiny | |
| from .models.mbv2_mlsd_large import MobileV2_MLSD_Large | |
| from .utils import pred_lines | |
| from annotator.util import annotator_ckpts_path | |
| remote_model_path = "https://huggingface.co/lllyasviel/ControlNet/resolve/main/annotator/ckpts/mlsd_large_512_fp32.pth" | |
| class MLSDdetector: | |
| def __init__(self): | |
| model_path = os.path.join(annotator_ckpts_path, "mlsd_large_512_fp32.pth") | |
| if not os.path.exists(model_path): | |
| from basicsr.utils.download_util import load_file_from_url | |
| load_file_from_url(remote_model_path, model_dir=annotator_ckpts_path) | |
| model = MobileV2_MLSD_Large() | |
| model.load_state_dict(torch.load(model_path), strict=True) | |
| self.model = model.cuda().eval() | |
| def __call__(self, input_image, thr_v, thr_d): | |
| assert input_image.ndim == 3 | |
| img = input_image | |
| img_output = np.zeros_like(img) | |
| try: | |
| with torch.no_grad(): | |
| lines = pred_lines(img, self.model, [img.shape[0], img.shape[1]], thr_v, thr_d) | |
| for line in lines: | |
| x_start, y_start, x_end, y_end = [int(val) for val in line] | |
| cv2.line(img_output, (x_start, y_start), (x_end, y_end), [255, 255, 255], 1) | |
| except Exception as e: | |
| pass | |
| return img_output[:, :, 0] | |