| description: Explore in-depth guidance for using Ultralytics trackers utils matching, including merge_matches, linear_assignment, iou_distance, embedding_distance, fuse_motion, and fuse_score. | |
| keywords: Ultralytics, Trackers Utils, Matching, merge_matches, linear_assignment, iou_distance, embedding_distance, fuse_motion, fuse_score, documentation | |
| # Reference for `ultralytics/trackers/utils/matching.py` | |
| !!! Note | |
| This file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/trackers/utils/matching.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/trackers/utils/matching.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/matching.py) 🛠️. Thank you 🙏! | |
| <br><br> | |
| ## ::: ultralytics.trackers.utils.matching.linear_assignment | |
| <br><br> | |
| ## ::: ultralytics.trackers.utils.matching.iou_distance | |
| <br><br> | |
| ## ::: ultralytics.trackers.utils.matching.embedding_distance | |
| <br><br> | |
| ## ::: ultralytics.trackers.utils.matching.fuse_score | |
| <br><br> | |