有序表改进扇束滤波反投影重建算法求解速度的研究  

Accelerate the Running Speed of Fan-Beam Filter Back-Projection Algorithm by Using Sequence Table

作　　者：王培[1] 郑兆瑞[1] 郝记秀[1] 

机构地区：[1]太原理工大学信息工程学院,山西太原030024

出　　处：《太原理工大学学报》2005年第2期203-206,共4页Journal of Taiyuan University of Technology

摘　　要：介绍了由投影重建图像的基本原理,对扇束滤波反投影重建算法进行了分析,并针对该算法的特点提出了一种提高算法求解速度的方法。最后对所提方法进行了实验,并给出实验结果。In this article, the basic principle of reconstructing image from projection is introduced. The fan-beam filter back-projection algorithm is analyzed,and according to the characters of this algorithm,a method to accelerate the running speed of this algorithm　is proposed. Finally the method is tested by experiment and the results are shown here.

关 键 词：有序表 由投影重建图像 滤波反投影 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术]