Breaking the Single-Stage Barrier: Synergistic Data-Model Adaptation at Test-Time for Medical Image Segmentation

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Date
2025
Journal Title
Journal ISSN
Volume Title
Publisher
The Eurographics Association
Abstract
Domain shift, predominantly caused by variations in medical imaging across different institutions, often leads to a decline in the accuracy of medical image segmentation models. While Test-Time Adaptation (TTA) holds promise to address this issue, existing methods exhibit significant limitations: model adaptation is prone to error accumulation and catastrophic forgetting in continuous domain learning. Meanwhile, data adaptation struggles to achieve deep latent alignment due to the inaccessibility of source domain data. To address these challenges, we propose Synergistic Data-Model Adaptation (SDMA), which innovatively leverages Batch Normalization (BN) layers as a bidirectional bridge to enable a two-stage joint adaptation process. In the data adaptation stage, domain-aware prompts dynamically adjust the BN statistics of incoming test data, achieving low-level distribution alignment in the Fourier space. In the model adaptation stage, we dynamically optimize the BN affine parameters based on strong-weak data augmentation and entropy minimization, enabling adaptation to high-level semantic features. Experiments conducted on five retinal fundus image datasets from various medical institutions demonstrate that our method achieves an average Dice improvement of 1.23% over previous state-of-the-art (SOTA) methods, establishing a new SOTA performance.
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CCS Concepts: Computing methodologies → Image segmentation

        
@inproceedings{
10.2312:pg.20251273
, booktitle = {
Pacific Graphics Conference Papers, Posters, and Demos
}, editor = {
Christie, Marc
and
Han, Ping-Hsuan
and
Lin, Shih-Syun
and
Pietroni, Nico
and
Schneider, Teseo
and
Tsai, Hsin-Ruey
and
Wang, Yu-Shuen
and
Zhang, Eugene
}, title = {{
Breaking the Single-Stage Barrier: Synergistic Data-Model Adaptation at Test-Time for Medical Image Segmentation
}}, author = {
Zhou, Wenjuan
and
Chen, Wei
and
He, Yulin
and
Wu, Di
and
Li, Chen
}, year = {
2025
}, publisher = {
The Eurographics Association
}, ISBN = {
978-3-03868-295-0
}, DOI = {
10.2312/pg.20251273
} }
Citation