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description: Get in-depth insights about Ultralytics Tiny Encoder Modules such as Conv2d_BN, MBConv, ConvLayer, Attention, BasicLayer, and TinyViT. Improve your understanding of machine learning model components.
keywords: Ultralytics, Tiny Encoder, Conv2d_BN, MBConv, ConvLayer, Attention, BasicLayer, TinyViT, Machine learning modules, Ultralytics models
---

# Reference for `ultralytics/models/sam/modules/tiny_encoder.py`

!!! note

    Full source code for this file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/modules/tiny_encoder.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/modules/tiny_encoder.py).

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## ::: ultralytics.models.sam.modules.tiny_encoder.Conv2d_BN
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## ::: ultralytics.models.sam.modules.tiny_encoder.PatchEmbed
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## ::: ultralytics.models.sam.modules.tiny_encoder.MBConv
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## ::: ultralytics.models.sam.modules.tiny_encoder.PatchMerging
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## ::: ultralytics.models.sam.modules.tiny_encoder.ConvLayer
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## ::: ultralytics.models.sam.modules.tiny_encoder.Mlp
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## ::: ultralytics.models.sam.modules.tiny_encoder.Attention
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## ::: ultralytics.models.sam.modules.tiny_encoder.TinyViTBlock
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## ::: ultralytics.models.sam.modules.tiny_encoder.BasicLayer
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## ::: ultralytics.models.sam.modules.tiny_encoder.LayerNorm2d
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## ::: ultralytics.models.sam.modules.tiny_encoder.TinyViT
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