基于LabVIEW和MATLAB的X射线荧光CT重建软件
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摘要
计算机X射线荧光断层扫描成像技术(X-ray fluorescence computed tomography,XFCT)因其能够同时测量生物样品中微量元素的分布和含量而受到广泛关注。随着基于不同目的的X射线荧光CT系统的搭建,X射线荧光CT重建技术软件的编写显得尤为重要。文章基于LabVIEW和MATLAB工具软件针对平移旋转扫描成像方式编写了一款X射线荧光CT重建软件,编写过程中充分利用了MATLAB强大的数据处理能力和LabVIEW友好的界面设计优势。主要采用在LabVIEW中调用动态链接库(dynamic link library,DLL)方法整合FBP(filter back projection)、MLEM(maximum likelihood expectation maximization)以及OSEM(ordered subsets expectation maximization)重建算法,在输入参数以及投影数据情形下,用户可以选择是否加入吸收校正来对样品数据进行重建并给出相关的图像质量评价指标。测试结果显示,所编写软件能够适用于平移-旋转扫描成像系统X射线荧光CT的重建。
引文
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[13]张传耀,叶含笑,周青,等.LabVIEW与MATLAB混合编程实现高精度QT间期实时自动化检测[J].生物医学工程与临床,2012,16(004):332-336.
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[15]王禹林,熊振华,丁汉.LabVIEW与Matlab的无缝集成[J].计算机应用,2006,26(3):695-698.
[16]马芳,张红民,王月浩,等.基于DLL的LabVIEW与VC,Matlab混合编程[J].现代计算机:下半月版,2006(4):91-93.
[2]Nakamura S,Huo Q,Yuasa T.Reconstruction technique of fluorescent X-ray computed tomography using sheet beam[C]//EUSIPC0.2014:1975-1979.
[3]Manohar N,Cho S H.Quality of micro-CT images acquired from simultaneous micro-CT and benchtop X-ray fluorescence computed tomography(XFCT):A preliminary Monte Carlo study[C]//2013 IEEE Nuclear Science Symposium and Medical Imaging Conference(2013 NSS/MIC).IEEE,2013:1-3.
[4]Kuang Y,Pratx G,Bazalova M,et al.Development of XFCT imaging strategy for monitoring the spatial distribution of platinum-based chemodrugs:Instrumentation and phantom validation[J].Medical physics,2013,40(3):030701.
[5]Long L,Yang H,Qing X,et al.Attenuation correction of L-shell X-ray fluorescence computed tomography imagingSupported by National Natural Science Foundation of China(11205167,11305183,11175190)[J].Chinese physics C,2015,39(3):038203.
[6]Xue Z,Zhang L,Pan J.A new algorithm for calculating the radiological path in CT image reconstruction[C]//Electronic and Mechanical Engineering and Information Technology(EMEIT),2011 International Conference on.IEEE,2011,9:4527-4530.
[7]Simionovici A,Chukalina M,Drakopoulos M,et al.X-ray fluorescence microtomography:experiment and reconstruct ion[J].Developments in X-ray Tomography II,U.Bonse,ed,1999,3772:328-337.
[8]Hogan J P,Gonsalves R A,Krieger A S.Fluorescent computer tomography:a model for correction of X-ray absorption[J].IEEE Transactions on Nuclear Science,1991,38(6):1721-1727.
[9]Siddon R L.Fast calculation of the exact radiological path for a three-dimensional CT array[J].Medical physics,1985,12(2):252-255.
[10]傅磊,刘甲林.基于LABVIEW和MATLAB/SIMULINK的控制系统仿真研究[J].自动化技术与应用,2016(3):142-146.
[11]Yu C B,Ke Y H,Xiao D,et al.Image Processing and Analysis System for Corneal Endothelial Cell Based on LabVIEW and MATLAB[C]//Applied Mechanics and Materials.Trans Tech Publications,2014,687:3777-3781.
[12]宋广东,王昌,王金玉,等.基于DLL技术和COM组件技术实现LabVIEW和MATLAB混合编程[J].计算机应用与软件,2013,30(1):287-289.
[13]张传耀,叶含笑,周青,等.LabVIEW与MATLAB混合编程实现高精度QT间期实时自动化检测[J].生物医学工程与临床,2012,16(004):332-336.
[14彭宇宁,朱后.利用DLL技术实现LabVIEW和MATLAB混合编程[J].计算机与现代化,2007,8:93-95.
[15]王禹林,熊振华,丁汉.LabVIEW与Matlab的无缝集成[J].计算机应用,2006,26(3):695-698.
[16]马芳,张红民,王月浩,等.基于DLL的LabVIEW与VC,Matlab混合编程[J].现代计算机:下半月版,2006(4):91-93.
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