116 lines
4.7 KiB
Python
116 lines
4.7 KiB
Python
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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def read_image_safe(path):
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"""
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[解决中文路径问题] 读取图片
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使用 numpy 读取字节流再解码,绕过 cv2.imread 的路径编码 bug
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"""
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try:
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# np.fromfile 读取文件内容到内存
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img_array = np.fromfile(path, dtype=np.uint8)
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# cv2.imdecode 解码内存数据
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img = cv2.imdecode(img_array, cv2.IMREAD_COLOR)
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return img
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except Exception as e:
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print(f"Error reading image {path}: {e}")
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return None
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def write_image_safe(path, img):
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"""
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[解决中文路径问题] 保存图片
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使用 cv2.imencode 编码再用 numpy 保存,绕过 cv2.imwrite 的路径编码 bug
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"""
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try:
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# 获取文件扩展名 (例如 .png)
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ext = os.path.splitext(path)[1]
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if not ext:
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ext = ".png"
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# cv2.imencode 编码图片
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success, img_array = cv2.imencode(ext, img)
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if success:
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# tofile 保存到文件
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img_array.tofile(path)
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return True
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else:
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print(f"Error encoding image for {path}")
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return False
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except Exception as e:
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print(f"Error writing image {path}: {e}")
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return False
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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('--img-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_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.img_path):
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if args.img_path.endswith('txt'):
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with open(args.img_path, 'r') as f:
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filenames = f.read().splitlines()
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else:
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filenames = [args.img_path]
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else:
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filenames = glob.glob(os.path.join(args.img_path, '**/*'), recursive=True)
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os.makedirs(args.outdir, exist_ok=True)
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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_image = read_image_safe(filename)
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depth = depth_anything.infer_image(raw_image, 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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if write_image_safe(os.path.join(args.outdir, os.path.splitext(os.path.basename(filename))[0] + '.png'), depth):
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print(f"Saved: {os.path.join(args.outdir, os.path.splitext(os.path.basename(filename))[0] + '.png')}")
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else:
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print(f"Failed to save: {os.path.join(args.outdir, os.path.splitext(os.path.basename(filename))[0] + '.png')}")
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else:
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split_region = np.ones((raw_image.shape[0], 50, 3), dtype=np.uint8) * 255
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combined_result = cv2.hconcat([raw_image, split_region, depth])
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if write_image_safe(os.path.join(args.outdir, os.path.splitext(os.path.basename(filename))[0] + '.png'), combined_result):
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print(f"Saved: {os.path.join(args.outdir, os.path.splitext(os.path.basename(filename))[0] + '.png')}")
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else:
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print(f"Failed to save: {os.path.join(args.outdir, os.path.splitext(os.path.basename(filename))[0] + '.png')}") |