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Demons非刚性配准算法拓扑保持性的研究

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Indexed by:期刊论文

Date of Publication:2010-01-15

Journal:自动化学报

Included Journals:Scopus、EI、CSCD

Volume:36

Issue:01

Page Number:179-183

ISSN No.:1874-1029

Key Words:非刚性配准;拓扑;雅可比行列式;矢量场分析

Abstract:在基于配准的图像分割应用中,拓扑保持性是非刚性图像配准算法的一个重要约束.本文从矢量场特性出发,分析了Demons非刚性图像配准算法导致目标拓扑改变时变形场的特点.根据变形场特点与其雅可比行列式之间的关系,给出了校正该算法拓扑保持性的方法.实验表明,改进后的变形场具有了拓扑保持性.

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