--- description: Explore the Ultralytics BaseDataset class for efficient image loading and processing with custom transformations and caching options. keywords: Ultralytics, BaseDataset, image processing, data augmentation, YOLO, dataset class, image caching --- # Reference for `ultralytics/data/base.py` !!! Note This file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/data/base.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/data/base.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/base.py) 🛠️. Thank you 🙏!

## ::: ultralytics.data.base.BaseDataset