VAR 的 rFID 非常大

def create_npz_from_sample_folder(sample_dir, num=50000): """ Builds a single .npz file from a folder of .png samples. """ samples = [] for i in tqdm(range(num), desc="Building .npz file from samples"): sample_pil = Image.open(f"{sample_dir}/{i:06d}.png") sample_np = np.asarray(sample_pil).astype(np.uint8) samples.append(sample_np) samples = np.stack(samples) assert samples.shape == (num, samples.shape[1], samples.shape[2], 3) npz_path = f"{sample_dir}.npz" np.savez(npz_path, arr_0=samples) print(f"Saved .npz file to {npz_path} [shape={samples.shape}].") return npz_path