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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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# FocalLoss
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:::ultralytics.yolo.utils.metrics.FocalLoss
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# ConfusionMatrix
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:::ultralytics.yolo.utils.metrics.ConfusionMatrix
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# Metric
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:::ultralytics.yolo.utils.metrics.Metric
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# DetMetrics
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:::ultralytics.yolo.utils.metrics.DetMetrics
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# SegmentMetrics
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:::ultralytics.yolo.utils.metrics.SegmentMetrics
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# PoseMetrics
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:::ultralytics.yolo.utils.metrics.PoseMetrics
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# ClassifyMetrics
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:::ultralytics.yolo.utils.metrics.ClassifyMetrics
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# box_area
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:::ultralytics.yolo.utils.metrics.box_area
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# bbox_ioa
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:::ultralytics.yolo.utils.metrics.bbox_ioa
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# box_iou
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:::ultralytics.yolo.utils.metrics.box_iou
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# bbox_iou
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:::ultralytics.yolo.utils.metrics.bbox_iou
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# mask_iou
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:::ultralytics.yolo.utils.metrics.mask_iou
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# kpt_iou
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:::ultralytics.yolo.utils.metrics.kpt_iou
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# smooth_BCE
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:::ultralytics.yolo.utils.metrics.smooth_BCE
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# smooth
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:::ultralytics.yolo.utils.metrics.smooth
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# plot_pr_curve
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:::ultralytics.yolo.utils.metrics.plot_pr_curve
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# plot_mc_curve
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:::ultralytics.yolo.utils.metrics.plot_mc_curve
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# compute_ap
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:::ultralytics.yolo.utils.metrics.compute_ap
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# ap_per_class
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:::ultralytics.yolo.utils.metrics.ap_per_class
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