Non-rigid Registration of Multiphase Contrast-enhanced Abdomen CT Image

被引：0
|
作者：
Zhu, Zhiliang [1 ]
Li, Ji [1 ]
Jiang, Huiyan [1 ]
Zhang, Libo [2 ]
Yang, Benqiang [2 ]
机构：
[1] Northeastern Univ, Software Coll, Shenyang, Liaoning, Peoples R China
[2] Peoples Liberat Army Gen Hosp, Dept Radiol, Shenyang, Peoples R China
来源：
2011 6TH INTERNATIONAL CONFERENCE ON COMPUTER SCIENCES AND CONVERGENCE INFORMATION TECHNOLOGY (ICCIT) | 2012年
基金：
美国国家科学基金会;
关键词：
Non-rigid image registration; Abdomen CT image; Hausdorff distance; Normalization mutual information; B-spline; MUTUAL INFORMATION; ENTROPY MEASURE;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
Mutual information is a widely-used metric in medical image registration, which achieves many good results; however, it may lead to misregistration because of the absence of spatial information. In order to solve this problem, this paper proposes an improved hybrid metric combining mutual information and spatial information. The spatial information is obtained through calculating Hausdorff fraction. In experiments, mutual information is used as a comparative method. Experiments show that the proposed method performs well in multiphase contrast-enhanced abdomen CT image non-rigid registration problems.
引用
收藏
页码：909 / 914
页数：6
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