FDK

Fast Algorithm 3-D CT Based on FDK Method

基于FDK法的三维CT快速计算方法

Modified FDK cone-beam reconstruction algorithm based on relationship of rotation angle increment

基于转角增量关系的FDK锥束重建改进算法

However , this algorithm does not apply for circular orbit cone-beam scan with line -- ray source.

为此,将上述点源 FDK 近似原理拓展到线源情况,推导了线源圆轨道锥束-CT重建算法.

However , this algorithm does not apply for circular orbit cone-beam scan with line ray source.

为此,将上述点源FDK近似原理拓展到线源情况,推导了线源圆轨道锥束扫描3D-CT重建算法.

Compared with the traditional FDK algorithm, the two PI algorithms decrease the helical shadow.

对PI-Original 和PI-Slant 算法,本文采用了对称通道投影弥补的方法解决了这两个算法本身由于忽略了浮点运算误差造成的投影损失问题, 与传统FDK重建 算法相比,PI方法 更好地减少了螺旋扫描所产生的图像尾影.

Parallel Implementation of Cone-Beam CT Image Reconstruction using FDK Algorithm on the Cluster System

基于集群系统的锥束CT重建FDK算法并行研究

The researches of this dissertation are base on FDK algorithm.

本文所作研究均基于FDK算法进行展开。