---
description: Explore the ultralytics.models.sam.sam3.maskformer_segmentation module for segmentation heads and predictors used with SAM3.
keywords: Ultralytics, SAM3, MaskFormer, segmentation head, mask prediction, deep learning, Python, API reference
---

# Reference for `ultralytics/models/sam/sam3/maskformer_segmentation.py`

!!! success "Improvements"

    This page is sourced from [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/sam3/maskformer_segmentation.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/sam3/maskformer_segmentation.py). Have an improvement or example to add? Open a [Pull Request](https://docs.ultralytics.com/help/contributing/) — thank you! 🙏

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## ::: ultralytics.models.sam.sam3.maskformer_segmentation.LinearPresenceHead

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## ::: ultralytics.models.sam.sam3.maskformer_segmentation.MaskPredictor

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## ::: ultralytics.models.sam.sam3.maskformer_segmentation.SegmentationHead

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## ::: ultralytics.models.sam.sam3.maskformer_segmentation.PixelDecoder

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## ::: ultralytics.models.sam.sam3.maskformer_segmentation.UniversalSegmentationHead

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