MedSegFactory: Text-Guided Generation of Medical Image-Mask Pairs

• URL: http://arxiv.org/abs/2504.06897v1
• Date: Wed, 09 Apr 2025 13:56:05 GMT
• Title: MedSegFactory: Text-Guided Generation of Medical Image-Mask Pairs
• Authors: Jiawei Mao, Yuhan Wang, Yucheng Tang, Daguang Xu, Kang Wang, Yang Yang, Zongwei Zhou, Yuyin Zhou,
• Abstract summary: MedSegFactory is a versatile framework that generates paired medical images and segmentation masks across modalities and tasks.<n>It aims to serve as an unlimited data repository, supplying image-mask pairs to enhance existing segmentation tools.
• Score: 29.350200296504696
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: This paper presents MedSegFactory, a versatile medical synthesis framework that generates high-quality paired medical images and segmentation masks across modalities and tasks. It aims to serve as an unlimited data repository, supplying image-mask pairs to enhance existing segmentation tools. The core of MedSegFactory is a dual-stream diffusion model, where one stream synthesizes medical images and the other generates corresponding segmentation masks. To ensure precise alignment between image-mask pairs, we introduce Joint Cross-Attention (JCA), enabling a collaborative denoising paradigm by dynamic cross-conditioning between streams. This bidirectional interaction allows both representations to guide each other's generation, enhancing consistency between generated pairs. MedSegFactory unlocks on-demand generation of paired medical images and segmentation masks through user-defined prompts that specify the target labels, imaging modalities, anatomical regions, and pathological conditions, facilitating scalable and high-quality data generation. This new paradigm of medical image synthesis enables seamless integration into diverse medical imaging workflows, enhancing both efficiency and accuracy. Extensive experiments show that MedSegFactory generates data of superior quality and usability, achieving competitive or state-of-the-art performance in 2D and 3D segmentation tasks while addressing data scarcity and regulatory constraints.

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