Dual-station stepped-frequency continuous waves MIMO radar for through-wall life detection using image fusion

Congzhang Ding; Yuhang Yang; Ruijie Luo; Maotao Yu; Song Xu; Chuan Chen; Yong Jia

doi:10.1117/12.2623168

16 February 2022 Dual-station stepped-frequency continuous waves MIMO radar for through-wall life detection using image fusion

Congzhang Ding, Yuhang Yang, Ruijie Luo, Maotao Yu, Song Xu, Chuan Chen, Yong Jia

Author Affiliations +

Proceedings Volume 12083, Thirteenth International Conference on Graphics and Image Processing (ICGIP 2021); 120830S (2022) https://doi.org/10.1117/12.2623168
Event: Thirteenth International Conference on Graphics and Image Processing (ICGIP 2021), 2021, Kunming, China

Abstract

Radar performs target detection by transmitting electromagnetic waves and reflecting them on obstacles. It is widely utilized in military, rescue and other occasions because of the advantages beyond visual range and not restricted by lighting conditions. Since electromagnetic waves have different penetrating capabilities in different frequency bands, it is possible to penetrate the wall to image the life target on the other side of the wall by selecting the appropriate frequency band. When multiple micro-moving targets are detected by life-detection radar, the targets are lost in the image due to the mutual occlusion of the targets. In this paper, a multi-target imaging method based on multi-station radar is proposed. Two stepped-frequency continuous waves (SFCW) MIMO radars detect targets by forming multiple-stations to obtain multi-directional scattering information of targets. A target image is obtained based on a back-projection (BP) image algorithm, and three image fusion methods of information weighted image fusion, fuzzy logic image fusion and M-N-K detector image fusion are adopted to generate the images of multiple micro-moving targets, including occluded targets. In the experiment, the three image fusion methods are analyzed separately, and the experimental results show that the three methods can effectively recognition the occluded targets.

Citation Download Citation

Congzhang Ding, Yuhang Yang, Ruijie Luo, Maotao Yu, Song Xu, Chuan Chen, and Yong Jia "Dual-station stepped-frequency continuous waves MIMO radar for through-wall life detection using image fusion", Proc. SPIE 12083, Thirteenth International Conference on Graphics and Image Processing (ICGIP 2021), 120830S (16 February 2022); https://doi.org/10.1117/12.2623168

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KEYWORDS

Radar

Image fusion

Target detection

Detection and tracking algorithms

Antennas

Electromagnetic radiation

Fuzzy logic

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