构件3D-ICT的检测问题,讨论了一种仅需旋转检台偏置的大视场3D-ICT成像方法,推导了基于FDK原理的滤波反投影(filter back-projection,FBP)重建算法。计算机模拟和实验结果证明了该技术的正确性。分析表明,其水平方向的有效扫描视野比基于FDK的
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构件3D-ICT的检测问题,讨论了一种仅需旋转检台偏置的大视场3D-ICT成像方法,推导了基于FDK原理的滤波反投影(filter back-projection,FBP)重建算法。计算机模拟和实验结果证明了该技术的正确性。分析表明,其水平方向的有效扫描视野比基于FDK的
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构件3D-ICT的检测问题,讨论了一种仅需旋转检台偏置的大视场3D-ICT成像方法,推导了基于FDK原理的滤波反投影(filter back-projection,FBP)重建算法。计算机模拟和实验结果证明了该技术的正确性。分析表明,其水平方向的有效扫描视野比基于FDK的
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iterative filter back projection 迭代滤波反投影
Filter back projection 滤波反投影算法
filter back projection algorithm 滤波反投影算法
filter back-projection algorithm 滤波反投影重建算法
filter back-projection reconstruction algorithm 滤波反投影重建算法
active filter linear back projection 动态滤波反投影
back-projection filter 反投影滤波
Fan beam industrial CT system usually adopts filter back-projection algorithm to reconstruct CT images. Its computational complexity is O(N3)1.
扇束工业CT一般采用滤波反投影算法进行CT图像重构,其计算复杂度为O(N)。
参考来源 - 扇束工业CT重建算法速度优化Then the calculating formula of back-projection address is obtained under such scanning mode. Following the unconventional CT filter back-projection algorithm in the mode of computer simulating is realized.
研究非常规扫描方式下的以椭球体和圆柱体为基础的平行束和锥束仿真投影算法,进而计算出两种扫描方式下的反投影地址计算公式,实现计算机仿真下实现非常规CT滤波反投影重建算法。
参考来源 - 一种倾斜入射扫描的CT重建算法研究·2,447,543篇论文数据,部分数据来源于NoteExpress
Results show that the effect of projection noise on the reconstructed fields is represented by a slope function related to the filter used in deflection tomographic filtered back-projection algorithm.
因此提出了改进的偏折层析滤波反投影算法,数值模拟表明,改进算法在有效抑制倾斜现象的同时,对重建结果不会造成明显的失真。
Filter back projection (FBP) reconstruction algorithm is adopted by fan beam industrial ct systems.
扇束工业CT系统普遍采用滤波反投影(FBP)重构算法。
The reconstruction algorithms include back projection algorithm and filter back projection algorithm for inverse problem.
逆问题部分实现反投影算法和滤波反投影算法。
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