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docs/en/reference/utils/metrics.md

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+---
+description: Explore Ultralytics YOLO metrics tools - from confusion matrix, detection metrics, pose metrics to box IoU. Learn how to compute and plot precision-recall curves.
+keywords: Ultralytics, YOLO, YOLOv3, YOLOv4, metrics, confusion matrix, detection metrics, pose metrics, box IoU, mask IoU, plot precision-recall curves, compute average precision
+---
+
+# Reference for `ultralytics/utils/metrics.py`
+
+!!! Note
+
+    This file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/metrics.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/metrics.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/utils/metrics.py) 🛠️. Thank you 🙏!
+
+<br><br>
+
+## ::: ultralytics.utils.metrics.ConfusionMatrix
+
+<br><br>
+
+## ::: ultralytics.utils.metrics.Metric
+
+<br><br>
+
+## ::: ultralytics.utils.metrics.DetMetrics
+
+<br><br>
+
+## ::: ultralytics.utils.metrics.SegmentMetrics
+
+<br><br>
+
+## ::: ultralytics.utils.metrics.PoseMetrics
+
+<br><br>
+
+## ::: ultralytics.utils.metrics.ClassifyMetrics
+
+<br><br>
+
+## ::: ultralytics.utils.metrics.OBBMetrics
+
+<br><br>
+
+## ::: ultralytics.utils.metrics.bbox_ioa
+
+<br><br>
+
+## ::: ultralytics.utils.metrics.box_iou
+
+<br><br>
+
+## ::: ultralytics.utils.metrics.bbox_iou
+
+<br><br>
+
+## ::: ultralytics.utils.metrics.mask_iou
+
+<br><br>
+
+## ::: ultralytics.utils.metrics.kpt_iou
+
+<br><br>
+
+## ::: ultralytics.utils.metrics._get_covariance_matrix
+
+<br><br>
+
+## ::: ultralytics.utils.metrics.probiou
+
+<br><br>
+
+## ::: ultralytics.utils.metrics.batch_probiou
+
+<br><br>
+
+## ::: ultralytics.utils.metrics.smooth_BCE
+
+<br><br>
+
+## ::: ultralytics.utils.metrics.smooth
+
+<br><br>
+
+## ::: ultralytics.utils.metrics.plot_pr_curve
+
+<br><br>
+
+## ::: ultralytics.utils.metrics.plot_mc_curve
+
+<br><br>
+
+## ::: ultralytics.utils.metrics.compute_ap
+
+<br><br>
+
+## ::: ultralytics.utils.metrics.ap_per_class
+
+<br><br>