---
title: models.sam.modules.transformer API Reference
description: Explore the TwoWayTransformer module in Ultralytics, designed for simultaneous attention to image and query points. Ideal for object detection and segmentation tasks.
keywords: Ultralytics, TwoWayTransformer, module, deep learning, transformer, object detection, image segmentation, attention mechanism, neural networks
---

# Reference for `ultralytics/models/sam/modules/transformer.py`

!!! success "Improvements"

    This page is sourced from [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/modules/transformer.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam/modules/transformer.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.modules.transformer.TwoWayTransformer

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## ::: ultralytics.models.sam.modules.transformer.TwoWayAttentionBlock

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## ::: ultralytics.models.sam.modules.transformer.Attention

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