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| # Copyright (c) OpenMMLab. All rights reserved. | |
| import os | |
| import warnings | |
| from argparse import ArgumentParser | |
| import cv2 | |
| from mmpose.apis import (inference_bottom_up_pose_model, init_pose_model, | |
| vis_pose_result) | |
| from mmpose.datasets import DatasetInfo | |
| def main(): | |
| """Visualize the demo images.""" | |
| parser = ArgumentParser() | |
| parser.add_argument('pose_config', help='Config file for pose') | |
| parser.add_argument('pose_checkpoint', help='Checkpoint file for pose') | |
| parser.add_argument('--video-path', type=str, help='Video path') | |
| parser.add_argument( | |
| '--show', | |
| action='store_true', | |
| default=False, | |
| help='whether to show visualizations.') | |
| parser.add_argument( | |
| '--out-video-root', | |
| default='', | |
| help='Root of the output video file. ' | |
| 'Default not saving the visualization video.') | |
| parser.add_argument( | |
| '--device', default='cuda:0', help='Device used for inference') | |
| parser.add_argument( | |
| '--kpt-thr', type=float, default=0.3, help='Keypoint score threshold') | |
| parser.add_argument( | |
| '--pose-nms-thr', | |
| type=float, | |
| default=0.9, | |
| help='OKS threshold for pose NMS') | |
| parser.add_argument( | |
| '--radius', | |
| type=int, | |
| default=4, | |
| help='Keypoint radius for visualization') | |
| parser.add_argument( | |
| '--thickness', | |
| type=int, | |
| default=1, | |
| help='Link thickness for visualization') | |
| args = parser.parse_args() | |
| assert args.show or (args.out_video_root != '') | |
| # build the pose model from a config file and a checkpoint file | |
| pose_model = init_pose_model( | |
| args.pose_config, args.pose_checkpoint, device=args.device.lower()) | |
| dataset = pose_model.cfg.data['test']['type'] | |
| dataset_info = pose_model.cfg.data['test'].get('dataset_info', None) | |
| if dataset_info is None: | |
| warnings.warn( | |
| 'Please set `dataset_info` in the config.' | |
| 'Check https://github.com/open-mmlab/mmpose/pull/663 for details.', | |
| DeprecationWarning) | |
| assert (dataset == 'BottomUpCocoDataset') | |
| else: | |
| dataset_info = DatasetInfo(dataset_info) | |
| cap = cv2.VideoCapture(args.video_path) | |
| if args.out_video_root == '': | |
| save_out_video = False | |
| else: | |
| os.makedirs(args.out_video_root, exist_ok=True) | |
| save_out_video = True | |
| if save_out_video: | |
| fps = cap.get(cv2.CAP_PROP_FPS) | |
| size = (int(cap.get(cv2.CAP_PROP_FRAME_WIDTH)), | |
| int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT))) | |
| fourcc = cv2.VideoWriter_fourcc(*'mp4v') | |
| videoWriter = cv2.VideoWriter( | |
| os.path.join(args.out_video_root, | |
| f'vis_{os.path.basename(args.video_path)}'), fourcc, | |
| fps, size) | |
| # optional | |
| return_heatmap = False | |
| # e.g. use ('backbone', ) to return backbone feature | |
| output_layer_names = None | |
| while (cap.isOpened()): | |
| flag, img = cap.read() | |
| if not flag: | |
| break | |
| pose_results, returned_outputs = inference_bottom_up_pose_model( | |
| pose_model, | |
| img, | |
| dataset=dataset, | |
| dataset_info=dataset_info, | |
| pose_nms_thr=args.pose_nms_thr, | |
| return_heatmap=return_heatmap, | |
| outputs=output_layer_names) | |
| # show the results | |
| vis_img = vis_pose_result( | |
| pose_model, | |
| img, | |
| pose_results, | |
| radius=args.radius, | |
| thickness=args.thickness, | |
| dataset=dataset, | |
| dataset_info=dataset_info, | |
| kpt_score_thr=args.kpt_thr, | |
| show=False) | |
| if args.show: | |
| cv2.imshow('Image', vis_img) | |
| if save_out_video: | |
| videoWriter.write(vis_img) | |
| if args.show and cv2.waitKey(1) & 0xFF == ord('q'): | |
| break | |
| cap.release() | |
| if save_out_video: | |
| videoWriter.release() | |
| if args.show: | |
| cv2.destroyAllWindows() | |
| if __name__ == '__main__': | |
| main() | |