文章基本信息

标题：The Matrix Transform for Reconstruction on Finite-Element-Based Photoacoustic Tomography
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作者：Hui Zhang ; Si Chen ; Jiajun Wang 等
期刊名称：Journal of Computer and Communications
印刷版ISSN：2327-5219
电子版ISSN：2327-5227
出版年度：2016
卷号：04
期号：03
页码：54-60
DOI：10.4236/jcc.2016.43008
语种：English
出版社：Scientific Research Publishing
摘要：Numerical Finite-element method (FEM) based algorithms have been widely applied for the reconstruction of the photoacoustic image. As compared with the traditional analytic methods, the FEM based methods can be easily used to deal with problems with irregularly shaped imaging domain. However, the FEM based algorithms are usually computationally intensive because repeated manipulations of matrices with larger size are needed during the reconstruction process. To tackle such a problem, a novel method is proposed for reducing the size of the matrix to be inversed during the reconstruction process and hence speed up the inverse reconstruction without any sacrifice of the reconstruction accuracy.
关键词：Inverse Problems;Medical and Biological Imaging;Image Reconstruction Techniques