---
title: trackers.utils.stracks API Reference
description: Reference for shared track-pool utilities including merge, joint, subtract, duplicate removal, and global motion compensation helpers.
keywords: Ultralytics, stracks, track pools, multi-object tracking, GMC, STrack utilities
---

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

!!! success "Improvements"

    This page is sourced from [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/trackers/utils/stracks.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/trackers/utils/stracks.py). Have an improvement or example to add? Open a [Pull Request](https://docs.ultralytics.com/help/contributing) — thank you! 🙏

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## ::: ultralytics.trackers.utils.stracks.merge_track_pools

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## ::: ultralytics.trackers.utils.stracks.parse_bboxes

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## ::: ultralytics.trackers.utils.stracks.joint_stracks

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## ::: ultralytics.trackers.utils.stracks.sub_stracks

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## ::: ultralytics.trackers.utils.stracks.remove_duplicate_stracks

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## ::: ultralytics.trackers.utils.stracks.multi_gmc

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