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description: Discover detailed information on ImageEncoderViT, PositionEmbeddingRandom, Attention, window_partition, get_rel_pos and more in Ultralytics models encoders documentation.
keywords: Ultralytics, Encoders, Modules, Documentation, ImageEncoderViT, PositionEmbeddingRandom, Attention, window_partition, get_rel_pos
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# Reference for `ultralytics/models/sam/modules/encoders.py`
!!! note
Full source code for this file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/modules/encoders.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/modules/encoders.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.models.sam.modules.encoders.ImageEncoderViT
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## ::: ultralytics.models.sam.modules.encoders.PromptEncoder
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## ::: ultralytics.models.sam.modules.encoders.PositionEmbeddingRandom
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## ::: ultralytics.models.sam.modules.encoders.Block
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## ::: ultralytics.models.sam.modules.encoders.Attention
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## ::: ultralytics.models.sam.modules.encoders.PatchEmbed
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## ::: ultralytics.models.sam.modules.encoders.window_partition
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## ::: ultralytics.models.sam.modules.encoders.window_unpartition
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## ::: ultralytics.models.sam.modules.encoders.get_rel_pos
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## ::: ultralytics.models.sam.modules.encoders.add_decomposed_rel_pos
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