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

页码：319 / 322

页数：4

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