{ "preprocessing": { "resize": { "height": 256, "width": 256 }, "normalization": { "mean": [0.485, 0.456, 0.406], "std": [0.229, 0.224, 0.225] }, "augmentation": { "random_flip": true, "random_crop": { "height": 224, "width": 224 } } }, "tokenization": { "do_lower_case": true, "max_length": 512, "padding": "max_length" } }