---
description: Discover the Ultralytics SAM 2 module for object segmentation. Learn about its components, such as image encoders and mask decoders, in this comprehensive guide.
keywords: Ultralytics, SAM 2 Module, object segmentation, image encoder, mask decoder, prompt encoder, AI, machine learning
---

# Reference for `ultralytics/models/sam2/modules/sam2.py`

!!! Note

    This file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam2/modules/sam2.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/sam2/modules/sam2.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/sam2/modules/sam2.py) 🛠️. Thank you 🙏!

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## ::: ultralytics.models.sam2.modules.sam2.SAM2Model

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