单目3D初始代码

docs/en/reference/models/sam/sam3/vitdet.md

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+---
+description: Explore the ultralytics.models.sam.sam3.vitdet module for ViTDet building blocks used as vision backbones in SAM3.
+keywords: Ultralytics, SAM3, ViTDet, vision transformer, backbone, attention, deep learning, Python
+---
+
+# Reference for `ultralytics/models/sam/sam3/vitdet.py`
+
+!!! success "Improvements"
+
+    This page is sourced from [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/sam3/vitdet.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/sam3/vitdet.py). Have an improvement or example to add? Open a [Pull Request](https://docs.ultralytics.com/help/contributing/) — thank you! 🙏
+
+<br>
+
+## ::: ultralytics.models.sam.sam3.vitdet.Attention
+
+<br><br><hr><br>
+
+## ::: ultralytics.models.sam.sam3.vitdet.Block
+
+<br><br><hr><br>
+
+## ::: ultralytics.models.sam.sam3.vitdet.ViT
+
+<br><br>