Analysis and inversion of target polarization characteristics based on pBRDF

doi:10.23919/JSEE.2024.000109

Journal of Systems Engineering and Electronics ›› 2024, Vol. 35 ›› Issue (5): 1073-1083.doi: 10.23919/JSEE.2024.000109

• ELECTRONICS TECHNOLOGY • Previous Articles Next Articles

Analysis and inversion of target polarization characteristics based on pBRDF

Xiansong GU¹^,²(), Qiang FU²^,*(), Liya WANG²(), Xuanwei LIU²(), Xinyu FAN²(), Jin DUAN²(), Yingchao LI²()

¹ School of Optical Engineering, Beijing University of Technology, Beijing 100081, China
² School of Optoelectronic Engineering, Changchun University of Science and Technology, Changchun 130022, China

Received:2022-08-12 Accepted:2023-02-08 Online:2024-10-18 Published:2024-11-06
Contact: Qiang FU E-mail:emperorgxs@sina.com;cust_fuqiang@163.com;627602950@qq.com;1731902794@qq.com;2652928387@qq.com;Duanjin@sina.vip.com;13944068295@163.com
About author:
GU Xiansong was born in 1983. He received his M.S. degrees from Beijing Institute of Technology in 2023。He is pursuing his Ph.D. degree from Changchun University of Science and Technology. His research interests are infrared imaging and image fusion technology, multi-directional, multi-angle, multi-functional, multi-dimensional polarization imaging detection technology, deep learning-based image processing and target recognition technology. E-mail: emperorgxs@sina.com

FU Qiang was born in 1984. He received his B.S. M.S. and Ph.D. degrees in 2007, 2010, and 2012 from Changchun University of Science and Technology respectively. He has been working at the Changchun University of Science and Technology since 2010. He is a researcher and doctoral supervisor. His research interests include optical transmission characteristics testing, multi-dimensional optical imaging, multi-point and multi-functional space laser communication research, target polarization characteristics testing, space target polarization detection. E-mail: cust_fuqiang@163.com

WANG Liya was born in 1995. She received her B.S. degree from Changchun University of Science and Technology from 2013 to 2017. She obtained her M.S. degree from Changchun University of Science and Technology in 2021. Her research interests include testing and analysis of target surface polarization characteristics, establishment of target surface polarization characteristics model, and inversion and improvement of target reflection function model.E-mail: 627602950@qq.com

LIU Xuanwei was born in 1998. He received his B.S. degree from Changchun University of Science and Technology in 2010. He received his M.S. degree from Changchun University of Science and Technology in 2024. His research interests are target polarization characteristics testing, spatial target polarization detection, dark and weak target polarization detection, and image processing technology under strong background. E-mail: 1731902794@qq.com

FAN Xinyu was born in 1996. She received her B.S. degree from Changchun University of Science and Technology in 2017.She received her M.S. degree from Changchun University of Science and Technology in 2021. Her research interests include target polarization characteristics testing and analysis multi-directional, multi-angle, multi-functional and multi-dimensional polarization imaging detection technology, and machine vision-based image processing and fusion technology. E-mail: 2652928387@qq.com

DUAN Jin was born 1971. He received his Ph.D. degree in computer science. He has been teaching in Changchun University of Science and Technology since 2012. He is a researcher and doctoral supervisor in Changchun University of Science and Technology in 2018.His research interests include image processing and fusion technology based on machine vision, target surface polarization characteristic function modeling and characteristic testing, and multi-functional multi-dimensional target polarization imaging technology. E-mail: Duanjin@sina.vip.com

LI Yingchao was born in 1966. He received his B.S. degree from Changchun University of Science and Technology in 1992.In 2007, he received his M.S. degree in optical engineering, and in 2012, he obtained a researcher-level senior engineer qualification and a doctorate degree in optical engineering from Changchun University of Science and Technology. His main research interests are multi-dimensional optical property testing and detection technology, advanced optical imaging test field. E-mail: 13944068295@163.com
Supported by:
This work was supported by the National Key Laboratory of Electromagnetic Space Security (JCKY2023230C009).

Abstract

Abstract:

Imaging detection is an important means to obtain target information. The traditional imaging detection technology mainly collects the intensity information and spectral information of the target to realize the classification of the target. In practical applications, due to the mixed scenario, it is difficult to meet the needs of target recognition. Compared with intensity detection, the method of polarization detection can effectively enhance the accuracy of ground object target recognition (such as the camouflage target). In this paper, the reflection mechanism of the target surface is studied from the microscopic point of view, and the polarization characteristic model is established to express the relationship between the polarization state of the reflected signal and the target surface parameters. The polarization characteristic test experiment is carried out, and the target surface parameters are retrieved using the experimental data. The results show that the degree of polarization (DOP) is closely related to the detection zenith angle and azimuth angle. The (DOP) of the target is the smallest in the direction of light source incidence and the largest in the direction of specular reflection. Different materials have different polarization characteristics. By comparing their DOP, target classification can be achieved.

Key words: polarization detection, polarization degree, zenith angle, azimuth angle, target classification

Xiansong GU, Qiang FU, Liya WANG, Xuanwei LIU, Xinyu FAN, Jin DUAN, Yingchao LI. Analysis and inversion of target polarization characteristics based on pBRDF[J]. Journal of Systems Engineering and Electronics, 2024, 35(5): 1073-1083.

Figures/Tables 10

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Material	Roughness $ \mathrm{\sigma } $	n	k
Iron plate	0.078	3.186	4.349
Green paint iron plate	0.216	1.413	0.362
Green paint glass panel	0.216	1.413	0.362
Glass plate	0.120	1.529	0

Target material	n	k
Iron plate	3.302	4.578
Green paint coated iron plate	1.509	0.396
Green paint coated glass plate	1.509	0.395
Glass plate	1.644	0.027

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Analysis and inversion of target polarization characteristics based on pBRDF

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