preprocessor_config.json

{
    "do_resize": true,
  "size": {
    "height": 640,
    "width": 640
  },
  "do_rescale": true,
  "rescale_factor": 0.00392156862745098,
  "do_normalize": true,
  "image_mean": [
    0.5,
    0.5,
    0.5
  ],
  "image_std": [
    0.5,
    0.5,
    0.5
  ],
  "letterbox": true,
  "letterbox_color": [
    114,
    114,
    114
  ]
}