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PSALM: Pixelwise SegmentAtion with Large Multi-Modal Model

Zheng Zhang*, Yeyao Ma*, Enming Zhang*, Xiang Bai

* Equal Contribution

Arxiv Paper

Features

  • A powerful extension of the Large Multi-modal Model for generic (panoptic, instance, semantic) segmentation, referring segmentation and interactivate segmentation.
  • Support joint training across multiple segmentation tasks and visual-language tasks.
  • Demonstrates zero-shot capabilities on unseen task, such as open-vocabulary segmentation, generalizaed referring segmentation, and video object segmentation.

teaser

Updates

  • Release evaluation code
  • Release training code

Installation

See Installation instructions.

Getting Started

See Preparing Datasets for PSALM.

See Getting Started with PSALM.

Model Zoo

  • Download PSALM here.

Citation

If you think this work is useful for your research, please use the following BibTeX entry.

@inproceedings{zhang2025psalm,
  title={Psalm: Pixelwise segmentation with large multi-modal model},
  author={Zhang, Zheng and Ma, Yeyao and Zhang, Enming and Bai, Xiang},
  booktitle={European Conference on Computer Vision},
  pages={74--91},
  year={2025},
  organization={Springer}
}

Acknowledgement

Thanks for awesome works: Mask2former, Mask2former-Simplify and LLaVA. Code is based on these works.