---
title: trackers.track_tracker API Reference
description: Explore the TrackTrack module in Ultralytics for multi-cue online multi-object tracking with HMIoU, iterative assignment, and track-aware initialization. Learn about its classes, methods, and attributes.
keywords: Ultralytics, TrackTrack, TTSTrack, HMIoU, iterative assignment, Track-Aware Initialization, ReID, GMC, object tracking, YOLO, documentation
---

# Reference for `ultralytics/trackers/track_tracker.py`

!!! success "Improvements"

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

<br>

## ::: ultralytics.trackers.track_tracker.TTSTrack

<br><br><hr><br>

## ::: ultralytics.trackers.track_tracker.TRACKTRACK

<br><br><hr><br>

## ::: ultralytics.trackers.track_tracker._hmiou_distance

<br><br><hr><br>

## ::: ultralytics.trackers.track_tracker._angle_distance

<br><br><hr><br>

## ::: ultralytics.trackers.track_tracker._confidence_distance

<br><br><hr><br>

## ::: ultralytics.trackers.track_tracker._iterative_associate

<br><br><hr><br>

## ::: ultralytics.trackers.track_tracker._track_aware_nms

<br><br><hr><br>

## ::: ultralytics.trackers.track_tracker.attach_raw_preds_hook

<br><br><hr><br>

## ::: ultralytics.trackers.track_tracker.compute_dets_del

<br><br><hr><br>

## ::: ultralytics.trackers.track_tracker._cosine_distance

<br><br>
