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import argparse |
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import cv2 |
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import glob |
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import matplotlib |
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import numpy as np |
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import os |
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import torch |
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from depth_anything_v2.dpt import DepthAnythingV2 |
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if __name__ == '__main__': |
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parser = argparse.ArgumentParser(description='Depth Anything V2') |
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parser.add_argument('--video-path', type=str) |
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parser.add_argument('--input-size', type=int, default=518) |
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parser.add_argument('--outdir', type=str, default='./vis_video_depth') |
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parser.add_argument('--encoder', type=str, default='vitl', choices=['vits', 'vitb', 'vitl', 'vitg']) |
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parser.add_argument('--pred-only', dest='pred_only', action='store_true', help='only display the prediction') |
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parser.add_argument('--grayscale', dest='grayscale', action='store_true', help='do not apply colorful palette') |
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args = parser.parse_args() |
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DEVICE = 'cuda' if torch.cuda.is_available() else 'mps' if torch.backends.mps.is_available() else 'cpu' |
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model_configs = { |
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'vits': {'encoder': 'vits', 'features': 64, 'out_channels': [48, 96, 192, 384]}, |
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'vitb': {'encoder': 'vitb', 'features': 128, 'out_channels': [96, 192, 384, 768]}, |
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'vitl': {'encoder': 'vitl', 'features': 256, 'out_channels': [256, 512, 1024, 1024]}, |
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'vitg': {'encoder': 'vitg', 'features': 384, 'out_channels': [1536, 1536, 1536, 1536]} |
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} |
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depth_anything = DepthAnythingV2(**model_configs[args.encoder]) |
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depth_anything.load_state_dict(torch.load(f'checkpoints/depth_anything_v2_{args.encoder}.pth', map_location='cpu')) |
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depth_anything = depth_anything.to(DEVICE).eval() |
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if os.path.isfile(args.video_path): |
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if args.video_path.endswith('txt'): |
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with open(args.video_path, 'r') as f: |
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lines = f.read().splitlines() |
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else: |
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filenames = [args.video_path] |
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else: |
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filenames = glob.glob(os.path.join(args.video_path, '**/*'), recursive=True) |
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os.makedirs(args.outdir, exist_ok=True) |
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margin_width = 50 |
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cmap = matplotlib.colormaps.get_cmap('Spectral_r') |
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for k, filename in enumerate(filenames): |
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print(f'Progress {k+1}/{len(filenames)}: {filename}') |
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raw_video = cv2.VideoCapture(filename) |
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frame_width, frame_height = int(raw_video.get(cv2.CAP_PROP_FRAME_WIDTH)), int(raw_video.get(cv2.CAP_PROP_FRAME_HEIGHT)) |
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frame_rate = int(raw_video.get(cv2.CAP_PROP_FPS)) |
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output_width = frame_width * 2 + margin_width |
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if args.pred_only: |
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output_width = frame_width |
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else: |
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output_width = frame_width * 2 + margin_width |
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output_path = os.path.join(args.outdir, os.path.splitext(os.path.basename(filename))[0] + '.mp4') |
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out = cv2.VideoWriter(output_path, cv2.VideoWriter_fourcc(*"mp4v"), frame_rate, (output_width, frame_height)) |
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while raw_video.isOpened(): |
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ret, raw_frame = raw_video.read() |
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if not ret: |
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break |
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depth = depth_anything.infer_image(raw_frame, args.input_size) |
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depth = (depth - depth.min()) / (depth.max() - depth.min()) * 255.0 |
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depth = depth.astype(np.uint8) |
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if args.grayscale: |
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depth = np.repeat(depth[..., np.newaxis], 3, axis=-1) |
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else: |
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depth = (cmap(depth)[:, :, :3] * 255)[:, :, ::-1].astype(np.uint8) |
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if args.pred_only: |
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out.write(depth) |
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else: |
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split_region = np.ones((frame_height, margin_width, 3), dtype=np.uint8) * 255 |
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combined_frame = cv2.hconcat([raw_frame, split_region, depth]) |
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out.write(combined_frame) |
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raw_video.release() |
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out.release() |
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