# 提前处理图像加速训练速度 import os from PIL import Image from pathlib import Path from tqdm import tqdm def resize_image(data_root: str, height: int = 512, width: int = 384): data_root = Path(data_root) data_path_list = [*data_root.glob("*.png"), *data_root.glob("*.jpg"), *data_root.glob("*.jpeg"), *data_root.glob("*.JPEG")] new_data_root = str(data_root) + f"_{height}" os.makedirs(new_data_root, exist_ok=True) for data_path in tqdm(data_path_list): image_name = data_path.name save_path = os.path.join(new_data_root, image_name) image = Image.open(str(data_path)) image = image.resize((width, height), Image.LANCZOS) image.save(save_path) def main(args): resize_image(args.data_root, args.height, args.width) if __name__ == "__main__": from argparse import ArgumentParser parser = ArgumentParser() parser.add_argument("--data_root", type=str) parser.add_argument("--height", type=int, default=512) parser.add_argument("--width", type=int, default=384) args = parser.parse_args() main(args) # find . -type f -name "*_rendered.png" -exec bash -c 'mv "$0" "${0/_rendered.png/.png}"' {} \;