I would recommend CVAT for annotation (for images/video): https://github.com/opencv/cvat https://github.com/opencv/cvat In general, annotating data for object

I would recommend CVAT for annotation (for images/video): https://github.com/opencv/cvat https://github.com/opencv/cvat In general, annotating data for object detection or segmentation tends to be very hard to do effectively—expect low quality and inconsistent labels.