Computer Engineering and Applications ›› 2009, Vol. 45 ›› Issue (32): 16-18.DOI: 10.3778/j.issn.1002-8331.2009.32.005

• 博士论坛 • Previous Articles     Next Articles

New filtered back-projection algorithm

WANG Bao-ping1,ZHANG Lin-xi1,FAN Jiu-lun2,XIE Wei-xin3   

  1. 1.National Key Laboratory of UVA Specialty Technique,Northwestern Polytechnical University,Xi’an 710072,China
    2.Department of Information and Control,Xi’an Institute of Post and Telecommunications,Xi’an 710061,China
    3.Institute of Information Engineering,Shenzhen University,Shenzhen,Guangdong 518060,China
  • Received:2008-12-17 Revised:2009-09-21 Online:2009-11-11 Published:2009-11-11
  • Contact: WANG Bao-ping

新的滤波-逆投影成像算法

王保平1,张麟兮1,范九伦2,谢维信3   

  1. 1.西北工业大学 无人机特种技术国防科技重点实验室,西安 710072
    2.西安邮电学院 信控系,西安 710061
    3.深圳大学 信息工程学院,广东 深圳 518060
  • 通讯作者: 王保平

Abstract: The filtered back-projection algorithm is relatively perfect algorithm in turntable imaging,it is widely used in CT and signal processing.The time frequency coupling of the algorithm is neglected,so making imaging quality descend.A new filtered back-projection algorithm is proposed.The new method is tested by using practice measure data and simulating data,the experimentation results show that the new algorithm is effective.

Key words: time frequency coupling, filtered back-projection, imaging

摘要: 滤波-逆投影是一种公认的比较理想的转台成像方法,广泛应用于很多领域。但该算法忽略了时频耦合问题,使其成像效果受到了一定的影响。为此,提出了一种新型的滤波-逆投影算法。经过实验分析对比,证明了新算法的有效性。

关键词: 时频耦合, 滤波-逆投影, 成像

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