Day–Night Adaptation: A domain adaptation framework for medical image segmentation without source data

Ziyang Chen

doi:10.1016/j.patcog.2026.114576

Day–Night Adaptation: A domain adaptation framework for medical image segmentation without source data

2026-08-08

0

PRE

AI

Z

Ziyang Chen

Y

Yiwen Ye

Y

Yongsheng Pan *

J

Jingfeng Zhang

Y

Yong Xia *

DOI：10.1016/j.patcog.2026.114576

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Abstract

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• DyNA enables continuous source-free domain adaptation for medical image segmentation. • Prompt-based daytime and global-student nighttime strategies stabilize adaptation. • DyNA outperforms state-of-the-art TTA and SFDA methods on two segmentation tasks.

Keywords:

Distribution shift

Domain adaptation

Medical image segmentation

Day–Night Adaptation: A domain adaptation framework for medical image segmentation without source data

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