ivder / LabelMeYoloConverter

Convert LabelMe Annotation Tool JSON format to YOLO text file format

LabelMeYoloConverter

Convert LabelMe Annotation Tool JSON format to YOLO text file format. Tested for YOLOv3

Put your dataset (image and JSON format) in dataset/ Output will be saved in result/ JSON format will be moved to json_backup/

Finally, please manually copy text file together with image into 1 folder. (Intentionally separate the image and text output for maintainance purpose)

Example

JSON file

{
  "version": "3.8.1",
  "flags": {},
  "shapes": [
    {
      "label": "1",
      "line_color": null,
      "fill_color": null,
      "points": [
        [
          447,
          287
        ],
        [
          381,
          267
        ]
      ],
      "shape_type": "rectangle"
    }
  ],
  "lineColor": [
    0,
    255,
    0,
    128
  ],
  "fillColor": [
    255,
    0,
    0,
    128
  ],
  "imagePath": "-1289025526.jpg",
  "imageData": "iVBORw0KGgoAAAANSUhEUgAAA8AAAAIcCAIAA

Convterted to YOLO format text file

1 0.43125 0.512962962963 0.06875 0.037037037037