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---
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description: Explore detailed metrics and utility functions for model validation and performance analysis with Ultralytics' metrics module.
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keywords: Ultralytics, metrics, model validation, performance analysis, IoU, confusion matrix
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---
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# Reference for `ultralytics/utils/metrics.py`
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!!! note
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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 🙏!
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<br>
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## ::: ultralytics.utils.metrics.ConfusionMatrix
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<br><br><hr><br>
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## ::: ultralytics.utils.metrics.Metric
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<br><br><hr><br>
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## ::: ultralytics.utils.metrics.DetMetrics
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<br><br><hr><br>
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## ::: ultralytics.utils.metrics.SegmentMetrics
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<br><br><hr><br>
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## ::: ultralytics.utils.metrics.PoseMetrics
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<br><br><hr><br>
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## ::: ultralytics.utils.metrics.ClassifyMetrics
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<br><br><hr><br>
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## ::: ultralytics.utils.metrics.OBBMetrics
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<br><br><hr><br>
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## ::: ultralytics.utils.metrics.bbox_ioa
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<br><br><hr><br>
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## ::: ultralytics.utils.metrics.box_iou
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<br><br><hr><br>
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## ::: ultralytics.utils.metrics.bbox_iou
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<br><br><hr><br>
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## ::: ultralytics.utils.metrics.mask_iou
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<br><br><hr><br>
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## ::: ultralytics.utils.metrics.kpt_iou
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<br><br><hr><br>
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## ::: ultralytics.utils.metrics._get_covariance_matrix
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<br><br><hr><br>
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## ::: ultralytics.utils.metrics.probiou
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<br><br><hr><br>
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## ::: ultralytics.utils.metrics.batch_probiou
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<br><br><hr><br>
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## ::: ultralytics.utils.metrics.smooth_BCE
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<br><br><hr><br>
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## ::: ultralytics.utils.metrics.smooth
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<br><br><hr><br>
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## ::: ultralytics.utils.metrics.plot_pr_curve
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<br><br><hr><br>
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## ::: ultralytics.utils.metrics.plot_mc_curve
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<br><br><hr><br>
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## ::: ultralytics.utils.metrics.compute_ap
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<br><br><hr><br>
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## ::: ultralytics.utils.metrics.ap_per_class
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<br><br>
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