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description: Learn about Varifocal Loss and Keypoint Loss in Ultralytics YOLO for advanced bounding box and pose estimation. Visit our docs for more. |
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keywords: Ultralytics, YOLO, loss functions, object detection, keypoint detection, segmentation, classification |
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## VarifocalLoss |
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### ::: ultralytics.yolo.utils.loss.VarifocalLoss |
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<br><br> |
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## FocalLoss |
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### ::: ultralytics.yolo.utils.loss.FocalLoss |
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<br><br> |
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## BboxLoss |
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### ::: ultralytics.yolo.utils.loss.BboxLoss |
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<br><br> |
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## KeypointLoss |
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### ::: ultralytics.yolo.utils.loss.KeypointLoss |
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<br><br> |
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## v8DetectionLoss |
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### ::: ultralytics.yolo.utils.loss.v8DetectionLoss |
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<br><br> |
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## v8SegmentationLoss |
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### ::: ultralytics.yolo.utils.loss.v8SegmentationLoss |
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<br><br> |
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## v8PoseLoss |
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### ::: ultralytics.yolo.utils.loss.v8PoseLoss |
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<br><br> |
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## v8ClassificationLoss |
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### ::: ultralytics.yolo.utils.loss.v8ClassificationLoss |
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<br><br> |
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