宇宙射线μ子成像重建算法研究  

Research on Reconstruction Qlgorithm of Cosmic Ray Muon Tomography

作　　者：施帅 马文彦[1] 杨岩飞 王继虎[1] 安洪振 郑向阳 

机构地区：[1]第二炮兵工程大学,西安710025 [2]环保部核与辐射安全中心,北京100089

出　　处：《核电子学与探测技术》2014年第8期976-980,共5页Nuclear Electronics & Detection Technology

摘　　要：图像重建算法是成像技术中的重要组成部分。介绍了基于多次库仑散射的宇宙射线μ子成像基本原理,系统研究了现有μ子的成像算法,通过对模拟实验成像结果的对比,分析了各种算法的特点,总结了各种算法在成像精度和运算速度上的优点与不足,并在此基础上,对μ子成像算法未来的发展趋势进行了探讨。Image reconstruction algorithm is an important part in muon tomography imaging techniques .This pa-per introduced the basic principle of cosmic ray muon tomography based on multiple Coulomb scattering , stud-ied the principle and method of muon tomography imaging algorithm .With the comparison of the imaging re-sults, this paper analyzed the characteristics of various algorithms , summarized the advantages and disadvanta-ges of different algorithm in imaging precision and operation speed , and explored the future developing trend of muon tomography imaging algorithms .

关 键 词：μ子成像算法 PoCA算法 ML算法 EM算法 OSEM算法 

分 类 号：O572.1[理学—粒子物理与原子核物理]