{
  "preprocessor_name": "your_preprocessor_name",
  "preprocessing_steps": [
    {
      "step_name": "step_1",
      "step_type": "resize",
      "parameters": {
        "width": 640,
        "height": 480
      }
    },
    {
      "step_name": "step_2",
      "step_type": "normalize",
      "parameters": {
        "mean": [0.485, 0.456, 0.406],
        "std": [0.229, 0.224, 0.225]
      }
    },
    {
      "step_name": "step_3",
      "step_type": "augmentation",
      "parameters": {
        "augmentation_type": "random_flip",
        "probability": 0.5
      }
    }
  ]
}