processor_config.json

{
  "image_processor": {
    "data_format": "channels_first",
    "do_convert_rgb": true,
    "do_normalize": true,
    "image_processor_type": "Pix2StructImageProcessorFast",
    "is_vqa": true,
    "max_patches": 2048,
    "patch_size": {
      "height": 16,
      "width": 16
    }
  },
  "processor_class": "Pix2StructProcessor"
}