ultralytics/docs/en/reference/trackers/utils/gmc.md

---
description: Explore the Generalized Motion Compensation (GMC) class for tracking and object detection with methods like ORB, SIFT, ECC, and more.
keywords: GMC, Generalized Motion Compensation, Ultralytics, tracking, object detection, ORB, SIFT, ECC, Sparse Optical Flow, computer vision, video frames
---

# Reference for `ultralytics/trackers/utils/gmc.py`

!!! note

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

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## ::: ultralytics.trackers.utils.gmc.GMC

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