This tool is to convert all labelme keypoints file to one single coco keypoints file
the following is coco keypoint format
{
"info": info,
"licenses": [license],
"images": [image],
"annotations": [annotation],
"categories": [category]
}
-image{
"id": int,
"width": int,
"height": int,
"file_name": str,
}
-annotation{
"keypoints": [x1,y1,v1,...],
"num_keypoints": int,
"id": int,
"image_id": int,
"category_id": int,
"segmentation": RLE or [polygon],
"area": float,
"bbox": [x,y,width,height],
"iscrowd": 0 or 1,
}
-category{
"id": int,
"name": str,
"supercategory": str,
"keypoints": [str],
"skeleton": [edge]
}
notice this version only support v = 0(unlabeled) & v = 2 (can visable and labeled) for each keypoints and you should label unlabeled point to (0, 0) in labelme