单目3D初始代码

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

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+---
+description: Explore the ultralytics.models.sam.sam3.decoder module, including transformer decoder layers used in SAM3 model heads.
+keywords: Ultralytics, SAM3, SAM, transformer decoder, attention, segmentation, deep learning, Python
+---
+
+# Reference for `ultralytics/models/sam/sam3/decoder.py`
+
+!!! success "Improvements"
+
+    This page is sourced from [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/sam3/decoder.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/sam3/decoder.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.decoder.TransformerDecoderLayer
+
+<br><br><hr><br>
+
+## ::: ultralytics.models.sam.sam3.decoder.TransformerDecoder
+
+<br><br>

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

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+---
+description: Explore the ultralytics.models.sam.sam3.encoder module, including transformer encoder layers and fusion blocks for SAM3.
+keywords: Ultralytics, SAM3, SAM, transformer encoder, fusion, attention, deep learning, Python
+---
+
+# Reference for `ultralytics/models/sam/sam3/encoder.py`
+
+!!! success "Improvements"
+
+    This page is sourced from [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/sam3/encoder.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/sam3/encoder.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.encoder.TransformerEncoderLayer
+
+<br><br><hr><br>
+
+## ::: ultralytics.models.sam.sam3.encoder.TransformerEncoder
+
+<br><br><hr><br>
+
+## ::: ultralytics.models.sam.sam3.encoder.TransformerEncoderFusion
+
+<br><br><hr><br>
+
+## ::: ultralytics.models.sam.sam3.encoder.pool_text_feat
+
+<br><br>

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

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+---
+description: Explore the ultralytics.models.sam.sam3.geometry_encoders module for prompt and geometry encoding utilities used by SAM3.
+keywords: Ultralytics, SAM3, SAM, prompt encoder, geometry encoder, padding, embeddings, Python
+---
+
+# Reference for `ultralytics/models/sam/sam3/geometry_encoders.py`
+
+!!! success "Improvements"
+
+    This page is sourced from [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/sam3/geometry_encoders.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/sam3/geometry_encoders.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.geometry_encoders.Prompt
+
+<br><br><hr><br>
+
+## ::: ultralytics.models.sam.sam3.geometry_encoders.SequenceGeometryEncoder
+
+<br><br><hr><br>
+
+## ::: ultralytics.models.sam.sam3.geometry_encoders.is_right_padded
+
+<br><br><hr><br>
+
+## ::: ultralytics.models.sam.sam3.geometry_encoders.concat_padded_sequences
+
+<br><br>

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

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+---
+description: Explore the ultralytics.models.sam.sam3.maskformer_segmentation module for segmentation heads and predictors used with SAM3.
+keywords: Ultralytics, SAM3, MaskFormer, segmentation head, mask prediction, deep learning, Python, API reference
+---
+
+# Reference for `ultralytics/models/sam/sam3/maskformer_segmentation.py`
+
+!!! success "Improvements"
+
+    This page is sourced from [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/sam3/maskformer_segmentation.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/sam3/maskformer_segmentation.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.maskformer_segmentation.LinearPresenceHead
+
+<br><br><hr><br>
+
+## ::: ultralytics.models.sam.sam3.maskformer_segmentation.MaskPredictor
+
+<br><br><hr><br>
+
+## ::: ultralytics.models.sam.sam3.maskformer_segmentation.SegmentationHead
+
+<br><br><hr><br>
+
+## ::: ultralytics.models.sam.sam3.maskformer_segmentation.PixelDecoder
+
+<br><br><hr><br>
+
+## ::: ultralytics.models.sam.sam3.maskformer_segmentation.UniversalSegmentationHead
+
+<br><br>

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

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+---
+description: Explore the ultralytics.models.sam.sam3.model_misc module with helper layers and utilities used in SAM3 model components.
+keywords: Ultralytics, SAM3, SAM, transformer, layers, utilities, deep learning, Python
+---
+
+# Reference for `ultralytics/models/sam/sam3/model_misc.py`
+
+!!! success "Improvements"
+
+    This page is sourced from [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/sam3/model_misc.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/sam3/model_misc.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.model_misc.DotProductScoring
+
+<br><br><hr><br>
+
+## ::: ultralytics.models.sam.sam3.model_misc.LayerScale
+
+<br><br><hr><br>
+
+## ::: ultralytics.models.sam.sam3.model_misc.TransformerWrapper
+
+<br><br><hr><br>
+
+## ::: ultralytics.models.sam.sam3.model_misc.get_valid_ratio
+
+<br><br><hr><br>
+
+## ::: ultralytics.models.sam.sam3.model_misc.gen_sineembed_for_position
+
+<br><br>

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

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+---
+description: Explore the ultralytics.models.sam.sam3.necks module for SAM3 neck components that connect vision backbones to downstream heads.
+keywords: Ultralytics, SAM3, SAM, neck, backbone, ViTDet, segmentation, Python
+---
+
+# Reference for `ultralytics/models/sam/sam3/necks.py`
+
+!!! success "Improvements"
+
+    This page is sourced from [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/sam3/necks.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/sam3/necks.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.necks.Sam3DualViTDetNeck
+
+<br><br>

docs/en/reference/models/sam/sam3/sam3_image.md

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+---
+description: Explore the ultralytics.models.sam.sam3.sam3_image module, including the SAM3SemanticModel and related output helpers.
+keywords: Ultralytics, SAM3, SAM, image segmentation, semantic segmentation, model, Python, API reference
+---
+
+# Reference for `ultralytics/models/sam/sam3/sam3_image.py`
+
+!!! success "Improvements"
+
+    This page is sourced from [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/sam3/sam3_image.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/sam3/sam3_image.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.sam3_image.SAM3SemanticModel
+
+<br><br><hr><br>
+
+## ::: ultralytics.models.sam.sam3.sam3_image._update_out
+
+<br><br>

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

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+---
+description: Explore the ultralytics.models.sam.sam3.text_encoder_ve module for SAM3 text-encoder components used in vision-language pipelines.
+keywords: Ultralytics, SAM3, SAM, text encoder, vision-language, transformer, tokenizer, Python
+---
+
+# Reference for `ultralytics/models/sam/sam3/text_encoder_ve.py`
+
+!!! success "Improvements"
+
+    This page is sourced from [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/sam3/text_encoder_ve.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/sam3/text_encoder_ve.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.text_encoder_ve.ResidualAttentionBlock
+
+<br><br><hr><br>
+
+## ::: ultralytics.models.sam.sam3.text_encoder_ve.Transformer
+
+<br><br><hr><br>
+
+## ::: ultralytics.models.sam.sam3.text_encoder_ve.TextTransformer
+
+<br><br><hr><br>
+
+## ::: ultralytics.models.sam.sam3.text_encoder_ve.VETextEncoder
+
+<br><br><hr><br>
+
+## ::: ultralytics.models.sam.sam3.text_encoder_ve.text_global_pool
+
+<br><br>

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>

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

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+---
+description: Explore the ultralytics.models.sam.sam3.vl_combiner module for combining vision and language features in SAM3.
+keywords: Ultralytics, SAM3, vision-language, backbone, feature fusion, transformer, deep learning, Python
+---
+
+# Reference for `ultralytics/models/sam/sam3/vl_combiner.py`
+
+!!! success "Improvements"
+
+    This page is sourced from [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/sam3/vl_combiner.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/sam3/vl_combiner.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.vl_combiner.SAM3VLBackbone
+
+<br><br>