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MSGAN: Multi-Stage Generative Adversarial Networks for Cross-Modality Domain Adaptation | IEEE Conference Publication | IEEE Xplore

MSGAN: Multi-Stage Generative Adversarial Networks for Cross-Modality Domain Adaptation


Abstract:

Domain adaptation has become an important topic because the trained neural networks from the source domain generally perform poorly in the target domain due to domain shi...Show More

Abstract:

Domain adaptation has become an important topic because the trained neural networks from the source domain generally perform poorly in the target domain due to domain shifts, especially for cross-modality medical images. In this work, we present a new unsupervised domain adaptation approach called Multi-Stage GAN (MSGAN) to tackle the problem of domain shift for CT and MRI segmentation tasks. We adopt the multi-stage strategy in parallel to avoid information loss and transfer rough styles on low-resolution feature maps to the detailed textures on high-resolution feature maps. In detail, the style layers map the learnt style codes from the Gaussian noise to the input features in order to synthesize images with different styles. We validate the proposed method for cross-modality medical image segmentation tasks on two public datasets, and the results demonstrate the effectiveness of our method. Clinical relevance— This technique paves the way to translate cross-modality images (MRI and CT) and it can also mitigate the performance degradation when applying deep neural networks in a cross-domain scenario.
Date of Conference: 11-15 July 2022
Date Added to IEEE Xplore: 08 September 2022
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ISSN Information:

PubMed ID: 36086147
Conference Location: Glasgow, Scotland, United Kingdom

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