yolov8/docs/reference/yolo/utils/metrics.md

---
description: Explore Ultralytics YOLO's FocalLoss, DetMetrics, PoseMetrics, ClassifyMetrics, and more with Ultralytics Metrics documentation.
keywords: YOLOv5, metrics, losses, confusion matrix, detection metrics, pose metrics, classification metrics, intersection over area, intersection over union, keypoint intersection over union, average precision, per class average precision, Ultralytics Docs
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## ConfusionMatrix
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### ::: ultralytics.yolo.utils.metrics.ConfusionMatrix
<br><br>

## Metric
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### ::: ultralytics.yolo.utils.metrics.Metric
<br><br>

## DetMetrics
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### ::: ultralytics.yolo.utils.metrics.DetMetrics
<br><br>

## SegmentMetrics
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### ::: ultralytics.yolo.utils.metrics.SegmentMetrics
<br><br>

## PoseMetrics
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### ::: ultralytics.yolo.utils.metrics.PoseMetrics
<br><br>

## ClassifyMetrics
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### ::: ultralytics.yolo.utils.metrics.ClassifyMetrics
<br><br>

## box_area
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### ::: ultralytics.yolo.utils.metrics.box_area
<br><br>

## bbox_ioa
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### ::: ultralytics.yolo.utils.metrics.bbox_ioa
<br><br>

## box_iou
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### ::: ultralytics.yolo.utils.metrics.box_iou
<br><br>

## bbox_iou
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### ::: ultralytics.yolo.utils.metrics.bbox_iou
<br><br>

## mask_iou
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### ::: ultralytics.yolo.utils.metrics.mask_iou
<br><br>

## kpt_iou
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### ::: ultralytics.yolo.utils.metrics.kpt_iou
<br><br>

## smooth_BCE
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### ::: ultralytics.yolo.utils.metrics.smooth_BCE
<br><br>

## smooth
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### ::: ultralytics.yolo.utils.metrics.smooth
<br><br>

## plot_pr_curve
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### ::: ultralytics.yolo.utils.metrics.plot_pr_curve
<br><br>

## plot_mc_curve
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### ::: ultralytics.yolo.utils.metrics.plot_mc_curve
<br><br>

## compute_ap
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### ::: ultralytics.yolo.utils.metrics.compute_ap
<br><br>

## ap_per_class
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### ::: ultralytics.yolo.utils.metrics.ap_per_class
<br><br>