---
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 🙏!
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## ::: ultralytics.data.utils.HUBDatasetStats
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## ::: ultralytics.data.utils.img2label_paths
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## ::: ultralytics.data.utils.get_hash
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## ::: ultralytics.data.utils.exif_size
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## ::: ultralytics.data.utils.verify_image
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## ::: ultralytics.data.utils.verify_image_label
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## ::: ultralytics.data.utils.polygon2mask
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## ::: ultralytics.data.utils.polygons2masks
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## ::: ultralytics.data.utils.polygons2masks_overlap
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## ::: ultralytics.data.utils.find_dataset_yaml
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## ::: ultralytics.data.utils.check_det_dataset
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## ::: ultralytics.data.utils.check_cls_dataset
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## ::: ultralytics.data.utils.compress_one_image
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## ::: ultralytics.data.utils.autosplit
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## ::: ultralytics.data.utils.load_dataset_cache_file
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## ::: ultralytics.data.utils.save_dataset_cache_file
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