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  • SPS
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    Length: 00:05:49
28 Mar 2022

Image segmentation is an important prerequisite of computer- aided diagnosis which has been applied in a wide range of clinical applications. Current learning-based methods mostly rely on sufficient annotated dataset which is expensive and time-consuming. In this study, we develop a semi-supervised learning paradigm integrating contextual refinement into de- formable registration-based segmentation processes. By intro- ducing deformable atlas prior, our method is capable to seg- ment the image with no well-defined relation between regions and pixels intensities. A contextual refinement segmentation network is appended to further constrain unreasonable results. Inheriting from the merits of both prior knowledge and deep representation, our approach achieves a more satisfying per- formance than the state-of-the-art methods qualitatively and quantitatively on multiple medical image datasets.

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