Numerical efficiency of the pipeline algorithm of three-dimensional tomography

被引：0
|
作者：
V. P. Karikh
机构：
[1] Altai Federal Research and Production Center,
来源：
Optoelectronics, Instrumentation and Data Processing | 2008年 / 44卷 / 1期
关键词：
Local Coordinate System; Completeness Condition; Trajectory Point; Spiral Trajectory; Reconstruction Point;
D O I：
10.3103/S875669900801010X
中图分类号：
学科分类号：
摘要：
Amounts of calculations intended for implementing various algorithms of cone-beam 3D tomography reconstruction are analyzed. A technically simple way of spiral scanning meeting the requirement of completeness condition is considered. Methods for reducing the amount of calculations by considering only the necessary part of projection data for object reconstruction at a specific point and by eliminating calculation of the beam index in the reciprocal projection are proposed. A method for modeling the cone-beam tomography process is illustrated using the proposed algorithm.
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