文献类型：期刊文献

英文题名：Cascading Affine and B-spline Registration Method for Large Deformation Registration of Lung X-rays

作者：Chang, Qing[1];Lu, Chenhao[1];Li, Mengke[1]

机构：[1]East China Univ Sci & Technol, Sch Informat Sci & Engn, Shanghai, Peoples R China

年份：2023

卷号：36

期号：3

起止页码：1262

外文期刊名：JOURNAL OF DIGITAL IMAGING

收录：;EI(收录号：20230713598850);WOS:【SCI-EXPANDED(收录号:WOS:000935479700001)】；

基金：This work was supported by the National Natural Science Foundation of China under award number 61976091.

语种：英文

外文关键词：Deep learning; Medical image registration; Affine registration; Deformable registration

摘要：Accurate registration of lung X-rays is an important task in medical image analysis. However, the conventional methods usually cost a lot in running time, and the existing deep learning methods are hard to deal with the large deformation caused by respiratory and cardiac motion. In this paper, we attempt to use deep learning methods to deal with large deformation and enable it to achieve the accuracy of conventional methods. We proposed the cascading affine and B-spline network (CABN), which consists of convolutional cross-stitch affine block (CCAB) and B-splines U-net-like block (BUB) for large lung motion. CCAB makes use of the convolutional cross-stitch model to learn global features among images. And BUB adopts the idea of cubic B-splines which is suitable for large deformation. We separately demonstrated CCAB, BUB, and CABN on two chest X-ray datasets. The experimental results indicate that our methods are highly competitive both in accuracy and runtime when compared to both other deep learning methods and iterative conventional approaches. Moreover, CCAB also can be used for the preprocessing of non-rigid registration methods, replacing affine in conventional methods.