update

docs/en/reference/models/utils/loss.md

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+---
+description: Learn to use the DETRLoss function provided by Ultralytics YOLO. Understand how to utilize loss in RTDETR detection models to improve accuracy.
+keywords: Ultralytics, YOLO, Documentation, DETRLoss, Detection Loss, Loss function, DETR, RTDETR Detection Models
+---
+
+# Reference for `ultralytics/models/utils/loss.py`
+
+!!! Note
+
+    This file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/utils/loss.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/utils/loss.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/models/utils/loss.py) 🛠️. Thank you 🙏!
+
+<br><br>
+
+## ::: ultralytics.models.utils.loss.DETRLoss
+
+<br><br>
+
+## ::: ultralytics.models.utils.loss.RTDETRDetectionLoss
+
+<br><br>

docs/en/reference/models/utils/ops.md

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+---
+description: Discover details for "HungarianMatcher" & "inverse_sigmoid" functions in Ultralytics YOLO, advanced tools supporting detection models.
+keywords: Ultralytics, YOLO, HungarianMatcher, inverse_sigmoid, detection models, model utilities, ops
+---
+
+# Reference for `ultralytics/models/utils/ops.py`
+
+!!! Note
+
+    This file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/utils/ops.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/utils/ops.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/models/utils/ops.py) 🛠️. Thank you 🙏!
+
+<br><br>
+
+## ::: ultralytics.models.utils.ops.HungarianMatcher
+
+<br><br>
+
+## ::: ultralytics.models.utils.ops.get_cdn_group
+
+<br><br>