--- description: Explore the Ultralytics nn modules pages on Transformer and MLP blocks, LayerNorm2d, and Deformable Transformer Decoder Layer. --- # TransformerEncoderLayer --- :::ultralytics.nn.modules.transformer.TransformerEncoderLayer <br><br> # AIFI --- :::ultralytics.nn.modules.transformer.AIFI <br><br> # TransformerLayer --- :::ultralytics.nn.modules.transformer.TransformerLayer <br><br> # TransformerBlock --- :::ultralytics.nn.modules.transformer.TransformerBlock <br><br> # MLPBlock --- :::ultralytics.nn.modules.transformer.MLPBlock <br><br> # MLP --- :::ultralytics.nn.modules.transformer.MLP <br><br> # LayerNorm2d --- :::ultralytics.nn.modules.transformer.LayerNorm2d <br><br> # MSDeformAttn --- :::ultralytics.nn.modules.transformer.MSDeformAttn <br><br> # DeformableTransformerDecoderLayer --- :::ultralytics.nn.modules.transformer.DeformableTransformerDecoderLayer <br><br> # DeformableTransformerDecoder --- :::ultralytics.nn.modules.transformer.DeformableTransformerDecoder <br><br>