Papers › Learning Site-specific Styles for Multi-institutional Unsupervised Cross-modality...
Learning Site-specific Styles for Multi-institutional Unsupervised Cross-modality Domain Adaptation
Han Liu, Yubo Fan, Zhoubing Xu, Benoit M. Dawant, Ipek Oguz
Unsupervised cross-modality domain adaptation is a challenging task in medical image analysis, and it becomes more challenging when source and target domain data are collected from multiple institutions. In this paper, we present our solution to tackle the multi-institutional unsupervised domain adaptation for the crossMoDA 2023 challenge. First, we perform unpaired image translation to translate the source domain images to the target domain, where we design a dynamic network to generate synthetic target domain images with controllable, site-specific styles. Afterwards, we train a segmentation model using the synthetic images and further reduce the domain gap by self-training. Our solution achieved the 1st place during both the validation and testing phases of the challenge. The code repository is publicly available at https://github.com/MedICL-VU/crossmoda2023.
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