---
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
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). 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/sam/modules/tiny_encoder.py) 🛠️. Thank you 🙏!
## ::: ultralytics.models.sam.modules.tiny_encoder.Conv2d_BN
## ::: ultralytics.models.sam.modules.tiny_encoder.PatchEmbed
## ::: ultralytics.models.sam.modules.tiny_encoder.MBConv
## ::: ultralytics.models.sam.modules.tiny_encoder.PatchMerging
## ::: ultralytics.models.sam.modules.tiny_encoder.ConvLayer
## ::: ultralytics.models.sam.modules.tiny_encoder.Mlp
## ::: ultralytics.models.sam.modules.tiny_encoder.Attention
## ::: ultralytics.models.sam.modules.tiny_encoder.TinyViTBlock
## ::: ultralytics.models.sam.modules.tiny_encoder.BasicLayer
## ::: ultralytics.models.sam.modules.tiny_encoder.LayerNorm2d
## ::: ultralytics.models.sam.modules.tiny_encoder.TinyViT