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Novel Generalized Divergence Measures and Multimodal Medical Image Registration
Author(s): 
Pages: 156-161,184
Year: Issue:  2
Journal: TRANSACTIONS OF BEIJING INSTITUTE OF TECHNOLOGY

Keyword:  Kullback-Leibler距离广义距离度量多模态图像配准配准测度不等式理论;
Abstract: 分析了Shannon互信息、Kullback-Leibler距离和Shannon不等式之间的相互关系,并根据不等式理论,提出了广义距离度量的新概念及其定义. 在此基础上构造了多模态图像配准的一类新测度--算术-几何均值距离、Cauchy-Schwartz距离和Minkowski广义距离. 从计算速度、噪声容忍性、测度函数图形的特点和图像窗口大小影响等几个方面,通过MR和PET医学图像的实验分析,验证了新配准测度的有效性.
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