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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