Lung Lobar Slippage Assessed with the Aid of Image Registration

摘要：

We present a registration algorithm that can handle the discontinuity of deformation with an ultimate goal to investigate how pulmonary lobes deform to accommodate chest wall shape changes. We first show that discontinuities can exist in both normal and tangent directions. Such discontinuities are accounted for by a spatially varying diffusive regularization which restricts smoothing inside objects. Meanwhile, a distance term is combined with the sum of squared intensity differences (SSD) to explicitly match corresponding interfaces and intensity patterns. The capability of this new method is demonstrated using two-dimensional (2-D) synthetic examples with complete or incomplete “fissures and threedimensional (3-D) computed tomography (CT) lung datasets.

作者: Youbing Yin Eric A.Hoffman Ching-Long Lin

作者单位: Department of Mechanical & Industrial Engineering Departments of Biomedical Engineering, Radiology, and MedicineThe University of Iowa, Iowa City, IA

会议类型: 国际会议

会议名称: The 13th International Conference on Medical Image Computing and Computer-Assisted Intervention(第13届医学影像计算与计算机辅助介入国际会议 MICCAI 2010)

会议地点: 北京

会议语种:英文

页码: 578-585

在线出版日期: 2010-09-01（万方平台首次上网日期，不代表论文的发表时间）