metadata
description: >-
Explore Ultralytics utilities for bounding boxes and instances, providing
detailed documentation on handling bbox formats, conversions, and more.
keywords: >-
Ultralytics, bounding boxes, Instances, bbox formats, conversions, AI, deep
learning, YOLO, xyxy, xywh, ltwh
Reference for ultralytics/utils/instance.py
!!! note
This file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/instance.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/instance.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/utils/instance.py) 🛠️. Thank you 🙏!