ultralytics/docs/en/reference/data/dataset.md

---
description: Explore the YOLODataset and its subclasses for object detection, segmentation, and multi-modal tasks. Find details on dataset loading, caching, and augmentation.
keywords: Ultralytics, YOLODataset, object detection, segmentation, dataset loading, caching, data augmentation
---

# Reference for `ultralytics/data/dataset.py`

!!! Note

    This file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/data/dataset.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/data/dataset.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/dataset.py) 🛠️. Thank you 🙏!

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## ::: ultralytics.data.dataset.YOLODataset

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## ::: ultralytics.data.dataset.YOLOMultiModalDataset

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## ::: ultralytics.data.dataset.GroundingDataset

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## ::: ultralytics.data.dataset.YOLOConcatDataset

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## ::: ultralytics.data.dataset.SemanticDataset

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## ::: ultralytics.data.dataset.ClassificationDataset

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