A Symmetric Dynamic Learning Framework for Diffeomorphic Medical Image Registration

• URL: http://arxiv.org/abs/2411.02888v1
• Date: Tue, 05 Nov 2024 08:02:44 GMT
• Title: A Symmetric Dynamic Learning Framework for Diffeomorphic Medical Image Registration
• Authors: Jinqiu Deng, Ke Chen, Mingke Li, Daoping Zhang, Chong Chen, Alejandro F. Frangi, Jianping Zhang,
• Abstract summary: This study introduces DCCNN-LSTM-Reg, a learning framework that evolves dynamically and learns a symmetrical registration path. Our method outperforms existing approaches in both quantitative and qualitative evaluations.
• Score: 45.95917857572395
• License:
• Abstract: Diffeomorphic image registration is crucial for various medical imaging applications because it can preserve the topology of the transformation. This study introduces DCCNN-LSTM-Reg, a learning framework that evolves dynamically and learns a symmetrical registration path by satisfying a specified control increment system. This framework aims to obtain symmetric diffeomorphic deformations between moving and fixed images. To achieve this, we combine deep learning networks with diffeomorphic mathematical mechanisms to create a continuous and dynamic registration architecture, which consists of multiple Symmetric Registration (SR) modules cascaded on five different scales. Specifically, our method first uses two U-nets with shared parameters to extract multiscale feature pyramids from the images. We then develop an SR-module comprising a sequential CNN-LSTM architecture to progressively correct the forward and reverse multiscale deformation fields using control increment learning and the homotopy continuation technique. Through extensive experiments on three 3D registration tasks, we demonstrate that our method outperforms existing approaches in both quantitative and qualitative evaluations.

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