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description: Explore detailed documentation of various SAM 2 encoder modules such as MemoryAttentionLayer, MemoryAttention, available in Ultralytics' repository.
keywords: Ultralytics, SAM 2 encoder, MemoryAttentionLayer, MemoryAttention
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# Reference for `ultralytics/models/sam/modules/memory_attention.py`
!!! Note
This file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/modules/memory_attention.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/modules/memory_attention.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/memory_attention.py) 🛠️. Thank you 🙏!
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## ::: ultralytics.models.sam.modules.memory_attention.MemoryAttentionLayer
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## ::: ultralytics.models.sam.modules.memory_attention.MemoryAttention
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