--- description: Efficiently handle data in YOLO with Ultralytics. Utilize HUBDatasetStats and customize dataset with these data utility functions. keywords: YOLOv4, Object Detection, Computer Vision, Deep Learning, Convolutional Neural Network, CNN, Ultralytics Docs --- ## HUBDatasetStats --- ### ::: ultralytics.yolo.data.utils.HUBDatasetStats <br><br> ## img2label_paths --- ### ::: ultralytics.yolo.data.utils.img2label_paths <br><br> ## get_hash --- ### ::: ultralytics.yolo.data.utils.get_hash <br><br> ## exif_size --- ### ::: ultralytics.yolo.data.utils.exif_size <br><br> ## verify_image_label --- ### ::: ultralytics.yolo.data.utils.verify_image_label <br><br> ## polygon2mask --- ### ::: ultralytics.yolo.data.utils.polygon2mask <br><br> ## polygons2masks --- ### ::: ultralytics.yolo.data.utils.polygons2masks <br><br> ## polygons2masks_overlap --- ### ::: ultralytics.yolo.data.utils.polygons2masks_overlap <br><br> ## check_det_dataset --- ### ::: ultralytics.yolo.data.utils.check_det_dataset <br><br> ## check_cls_dataset --- ### ::: ultralytics.yolo.data.utils.check_cls_dataset <br><br> ## compress_one_image --- ### ::: ultralytics.yolo.data.utils.compress_one_image <br><br> ## delete_dsstore --- ### ::: ultralytics.yolo.data.utils.delete_dsstore <br><br> ## zip_directory --- ### ::: ultralytics.yolo.data.utils.zip_directory <br><br>