SVF-Net: Learning Deformable Image Registration Using Shape Matching

Abstract : In this paper, we propose an innovative approach for registration based on the deterministic prediction of the parameters from both images instead of the optimization of a energy criteria. The method relies on a fully convolutional network whose architecture consists of contracting layers to detect relevant features and a symmetric expanding path that matches them together and outputs the transformation parametriza-tion. Whereas convolutional networks have seen a widespread expansion and have been already applied to many medical imaging problems such as segmentation and classification, its application to registration has so far faced the challenge of defining ground truth data on which to train the algorithm. Here, we present a novel training strategy to build reference deformations which relies on the registration of segmented regions of interest. We apply this methodology to the problem of inter-patient heart registration and show an important improvement over a state of the art optimization based algorithm. Not only our method is more accurate but it is also faster-registration of two 3D-images taking less than 30ms second on a GPU-and more robust to outliers.
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Communication dans un congrès
MICCAI 2017 - the 20th International Conference on Medical Image Computing and Computer Assisted Intervention, Sep 2017, Québec, Canada
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Contributeur : Marc-Michel Rohé <>
Soumis le : jeudi 6 juillet 2017 - 11:13:01
Dernière modification le : vendredi 7 juillet 2017 - 17:03:55

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Marc-Michel Rohé, Manasi Datar, Tobias Heimann, Maxime Sermesant, Xavier Pennec. SVF-Net: Learning Deformable Image Registration Using Shape Matching. MICCAI 2017 - the 20th International Conference on Medical Image Computing and Computer Assisted Intervention, Sep 2017, Québec, Canada. 〈hal-01557417〉

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