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description: Get familiar with TrackState in Ultralytics. Learn how it is used in the BaseTrack of the Ultralytics tracker for enhanced functionality.
keywords: Ultralytics, TrackState, BaseTrack, Ultralytics tracker, Ultralytics documentation
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# Reference for `ultralytics/trackers/basetrack.py`

!!! note

    Full source code for this file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/trackers/basetrack.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/trackers/basetrack.py).

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## ::: ultralytics.trackers.basetrack.TrackState
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## ::: ultralytics.trackers.basetrack.BaseTrack
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