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ultralytics 8.0.11 bug fixes and performance improvements (#495)

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Co-authored-by: Laughing <61612323+Laughing-q@users.noreply.github.com>
Co-authored-by: Ayush Chaurasia <ayush.chaurarsia@gmail.com>
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Glenn Jocher 2023-01-19 16:16:17 +01:00 • committed by GitHub
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ultralytics/yolo/v8/detect/train.py
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@ -177,7 +177,7 @@ class Loss:
anchor_points * stride_tensor, gt_labels, gt_bboxes, mask_gt)
target_bboxes /= stride_tensor
target_scores_sum = target_scores.sum()
target_scores_sum = max(target_scores.sum(), 1)
# cls loss
# loss[1] = self.varifocal_loss(pred_scores, target_scores, target_labels) / target_scores_sum # VFL way