Function load_image_data

(dataset_path, 
        batch_size=32, 
        num_workers=8,
        shuffle=True, 
        n_step=5,
        gap=10,
        augment=None,
        **kwargs
        # rgb_mean=[0.29813555, 0.31239682, 0.33620676],
        # rgb_std=[0.0668446, 0.06680295, 0.07329721],
    )