A new fast algorithm for exact calculation of the discrete 2-D and 3-D X-ray transform

被引：0
|
作者：
Levi, O. [1 ]
Efros, B. A. [1 ]
机构：
[1] Ben Gurion Univ Negev, Fac Engn Sci, Dept Ind Engn & Management, IL-84105 Beer Sheva, Israel
来源：
ADVANCES IN COMPUTATIONAL METHODS IN SCIENCES AND ENGINEERING 2005, VOLS 4 A & 4 B | 2005年 / 4A-4B卷
关键词：
X-ray transform; radon transform; line integrals; Fast Slant-Stack;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A new algorithm for fast calculation of line integrals is proposed. The algorithm is applicable for both 2-D and 3-D digital data. We focus our discussion in the case of line integration over 3-D voxel arrays where speed is much more crucial than in the 2-D case. The fundamental idea is simultaneous calculation of a 2D array of line integrals using serial memory access in order to significantly reduce the computational cost. We compare our algorithm to the Fast Slant-Stack algorithm [1] with respect to computation time and accuracy.
引用
收藏
页码：319 / 322
页数：4
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