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      Fast Three-dimensional Sparse Holography Imaging Algorithm for Personal Security Verification

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          Abstract

          Terahertz holographic imaging has broad applications in the field of personal security verification, concealed weapon detection, and non-destructive testing. To suppress the range ambiguity, a fast sparse image reconstruction approach and imaging scheme is proposed for three-dimensional terahertz holography. The proposed algorithm establishes the terahertz imaging geometry and corresponding echo model. The range ambiguity is eliminated using the random step frequency method, and a frequency shift procedure is applied to recover the targets with a high computational efficiency. Simulation and experimental results verify the proposed algorithm.

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          Author and article information

          Journal
          Journal of Radars
          Chinese Academy of Sciences
          01 June 2016
          : 5
          : 3
          : 271-277
          Affiliations
          [1 ] ①(Key Laboratory of Electromagnetic Radiation and Sensing Technology, Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China) ②(University of Chinese Academy of Sciences, Beijing 100039, China)
          [2 ] Key Laboratory of Electromagnetic Radiation and Sensing Technology, Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China
          Article
          749e34a5f2ce4d54b45b5e427d46bca3
          10.12000/JR15116

          This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

          Categories
          Technology (General)
          T1-995

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