manifest.json

{
  "datasets": [
    {
      "folder_path": "datasets/dataset_0/images"
    },
    {
      "folder_path": "datasets/dataset_1/images"
    },
    {
      "folder_path": "datasets/dataset_2/images"
    }
  ],
  "samples": [
    {
      "index": 0,
      "ctrl_img": "samples/ctrl/sample_0.jpg"
    }
  ]
}