A relation between algebraic and transform-based reconstruction technique in computed tomography

被引：2
作者：
Kiefhaber, S. [1 ]
Rosenbaum, M. [1 ]
Sauer-Greff, W. [1 ]
Urbansky, R. [1 ]
机构：
[1] Tech Univ Kaiserslautern, Chair Commun Engn, Kaiserslautern, Germany
来源：
ADVANCES IN RADIO SCIENCE | 2013年 / 11卷
关键词：
D O I：
10.5194/ars-11-95-2013
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this contribution a coherent relation between the algebraic and the transform-based reconstruction technique for computed tomography is introduced using the mathematical means of two-dimensional signal processing. There are two advantages arising from that approach First, the algebraic reconstruction technique can now be used efficiently regarding memory usage without considerations concerning the handling of large sparse matrices. Second, the relation grants a more intuitive understanding as to the convergence characteristics of the iterative method. Besides the gain in theoretical insight these advantages offer new possibilities for application-specific fine tuning of reconstruction techniques.
引用
收藏
页码：95 / 100
页数：6
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