Vehicle-cpp/hkpc/ultralytics-main/docs/reference/nn/modules/transformer.md

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description: Learn about Ultralytics transformer encoder, layer, MLP block, LayerNorm2d and the deformable transformer decoder layer. Expand your understanding of these crucial AI modules.

keywords: Ultralytics, Ultralytics documentation, TransformerEncoderLayer, TransformerLayer, MLPBlock, LayerNorm2d, DeformableTransformerDecoderLayer

Reference for ultralytics/nn/modules/transformer.py

!!! note

Full source code for this file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/nn/modules/transformer.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/nn/modules/transformer.py). Help us fix any issues you see by submitting a [Pull Request](https://docs.ultralytics.com/help/contributing/) 🛠️. Thank you 🙏!

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::: ultralytics.nn.modules.transformer.TransformerEncoderLayer

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::: ultralytics.nn.modules.transformer.AIFI

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::: ultralytics.nn.modules.transformer.TransformerLayer

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::: ultralytics.nn.modules.transformer.TransformerBlock

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::: ultralytics.nn.modules.transformer.MLPBlock

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::: ultralytics.nn.modules.transformer.MLP

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::: ultralytics.nn.modules.transformer.LayerNorm2d

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::: ultralytics.nn.modules.transformer.MSDeformAttn

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::: ultralytics.nn.modules.transformer.DeformableTransformerDecoderLayer

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::: ultralytics.nn.modules.transformer.DeformableTransformerDecoder