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Single-Slice Helical CT Three-Dimensional Image Reconstruction Using GPU
Author(s): 
Pages: 76-81
Year: Issue:  1
Journal: Acta Electronica Sinica

Keyword:  单层螺旋CT图形处理器三维重建投影模式;
Abstract: CT数据的获取过程和CT图像的重建过程与图形学的渲染过程极其相似,因此利用图形处理器(GPU)来加速CT重建算法成为了近年来CT研究的热点之一.本文根据单层螺旋CT数据的特点,构造了"平行-扇束"投影模式,实现了基于GPU的单层螺旋CT的三维图像重建算法.数值实验表明,与CPU上的分层重建相比重建速度提高10倍以上.
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