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Pedestrian Imaging Using UWB Doppler Radar Interferometry
Kenshi SAHO Takuya SAKAMOTO Toru SATO Kenichi INOUE Takeshi FUKUDA
IEICE TRANSACTIONS on Communications
Publication Date: 2013/02/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: PAPER
human imaging, pedestrian imaging, UWB Doppler radar, interferometry, false image rejection,
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The imaging of humans using radar is promising for surveillance systems. Although conventional radar systems detect the presence or position of intruders, it is difficult to acquire shape and motion details because the resolution is insufficient. This paper presents a high-resolution human imaging algorithm for an ultra-wideband (UWB) Doppler radar. The proposed algorithm estimates three-dimensional human images using interferometry and, using velocity information, rejects false images created by the interference of body parts. Experiments verify that our proposed algorithm achieves adequate pedestrian imaging. In addition, accurate shape and motion parameters are extracted from the estimated images.