---
description: Explore in-depth reference for utility functions in Ultralytics data module. Learn about image verification, dataset handling, and more.
keywords: Ultralytics, dataset utils, data handling, image verification, Python, data module
---
# Reference for `ultralytics/data/utils.py`
!!! Note
This file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/data/utils.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/data/utils.py). If you spot a problem please help fix it by [contributing](https://docs.ultralytics.com/help/contributing/) a [Pull Request](https://github.com/ultralytics/ultralytics/edit/main/ultralytics/data/utils.py) 🛠️. Thank you 🙏!
## ::: ultralytics.data.utils.HUBDatasetStats
## ::: ultralytics.data.utils.img2label_paths
## ::: ultralytics.data.utils.get_hash
## ::: ultralytics.data.utils.exif_size
## ::: ultralytics.data.utils.verify_image
## ::: ultralytics.data.utils.verify_image_label
## ::: ultralytics.data.utils.polygon2mask
## ::: ultralytics.data.utils.polygons2masks
## ::: ultralytics.data.utils.polygons2masks_overlap
## ::: ultralytics.data.utils.find_dataset_yaml
## ::: ultralytics.data.utils.check_det_dataset
## ::: ultralytics.data.utils.check_cls_dataset
## ::: ultralytics.data.utils.compress_one_image
## ::: ultralytics.data.utils.autosplit
## ::: ultralytics.data.utils.load_dataset_cache_file
## ::: ultralytics.data.utils.save_dataset_cache_file