Improved two-dimensional millimeter-wave imaging for concealed weapon detection through partial Fourier sampling

Amirashkan Farsaei, Farzad Mokhtari-Koushyar, Seyed Mohammad Javad Seyed-Talebi, Zahra Kavehvash, Mahdi Shabany

Research output: Contribution to journalArticleAcademicpeer-review

24 Citations (Scopus)

Abstract

Active millimeter-wave imaging based on synthetic aperture focusing offers certain unique and practical advantages in nondestructive testing applications. Traditionally, the imaging for this purpose is performed through a long procedure of raster scanning with a single antenna across a two-dimensional grid, leading to a slow, bulky, and expensive scanning platform. In this paper, an improved bistatic structure based on radial compressive sensing is proposed, where one fixed transmitter antenna and a linear array of receiving antennas are used. The main contributions of this paper are (a) reducing the scanning time, (b) improving the output quality, and (c) designing an inexpensive setup. These improvements are the result of the underlying proposed simpler scanning structure and faster reconstruction process.

Original languageEnglish
Pages (from-to)267-280
Number of pages14
JournalJournal of Infrared, Millimeter, and Terahertz Waves
Volume37
Issue number3
DOIs
Publication statusPublished - 1 Mar 2016
Externally publishedYes

Keywords

  • Compressed sensing
  • Holography
  • Millimeter wave
  • Synthetic aperture radar

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