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ultralytics 8.2.73 Meta SAM2 Refactor (#14867)

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Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>
Co-authored-by: UltralyticsAssistant <web@ultralytics.com>
Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>
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Laughing 2024-08-05 08:53:45 +08:00 • committed by GitHub
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---
description: Explore detailed documentation of various SAM and SAM 2 modules such as MaskDownSampler, CXBlock, and more, available in Ultralytics' repository.
keywords: Ultralytics, SAM encoder, SAM 2 encoder, DropPath, MaskDownSampler, CXBlock, Fuser, TwoWayTransformer, TwoWayAttentionBlock, RoPEAttention, MultiScaleAttention, MultiScaleBlock. PositionEmbeddingSine, do_pool
---
# Reference for `ultralytics/models/sam/modules/blocks.py`
!!! Note
This file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/modules/blocks.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/modules/blocks.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/blocks.py) 🛠️. Thank you 🙏!
<br>
## ::: ultralytics.models.sam.modules.blocks.DropPath
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## ::: ultralytics.models.sam.modules.blocks.MaskDownSampler
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## ::: ultralytics.models.sam.modules.blocks.CXBlock
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## ::: ultralytics.models.sam.modules.blocks.Fuser
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## ::: ultralytics.models.sam.modules.blocks.SAM2TwoWayAttentionBlock
<br><br><hr><br>
## ::: ultralytics.models.sam.modules.blocks.SAM2TwoWayTransformer
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## ::: ultralytics.models.sam.modules.blocks.RoPEAttention
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## ::: ultralytics.models.sam.modules.blocks.MultiScaleAttention
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## ::: ultralytics.models.sam.modules.blocks.MultiScaleBlock
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## ::: ultralytics.models.sam.modules.blocks.PositionEmbeddingSine
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## ::: ultralytics.models.sam.modules.blocks.PositionEmbeddingRandom
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## ::: ultralytics.models.sam.modules.blocks.Block
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## ::: ultralytics.models.sam.modules.blocks.REAttention
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## ::: ultralytics.models.sam.modules.blocks.PatchEmbed
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## ::: ultralytics.models.sam.modules.blocks.do_pool
<br><br>