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2024-03-03
Research on Perspective Imaging Method of Building Structure Based on Multipath Information
By
Progress In Electromagnetics Research M, Vol. 124, 89-97, 2024
Abstract
The internal structural details of unknown structures are very helpful to our personnel in carrying out activities during anti-terrorism operations and emergency disaster relief operations in urban environments. According to multipath identification and propagation mechanism separation technology, a building structure perspective imaging algorithm based on the ray-tracing model is proposed in this paper by making full use of the rich multipath delay power spectrum information and gradually filtering the multipath. Based on the imaging results taking overall consideration of all the propagation factors involved, the presented study is used to obtain the intricate geometric structure of indoor buildings. The original approach is then verified by using measured data, and the proposed algorithm is further optimized by extracting the internal wall structure of the building scene based on the Hough transform algorithm. In comparison with the real wall of the building, the average error of the inverse building wall position using simulated data is 0.071 m, and the average error of the inverse building wall position using the measured data is 0.355 m.
Citation
Zhong-Yu Liu, Ya-Xing Qin, Li-Xin Guo, Ren-Jiang Zhu, Zhi-Gang Zhong, Zuo-Yong Nan, Ya Wang, and Ling-Feng Shen, "Research on Perspective Imaging Method of Building Structure Based on Multipath Information," Progress In Electromagnetics Research M, Vol. 124, 89-97, 2024.
doi:10.2528/PIERM23120802
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