Multi-polarization passive millimeter-wave imager and outdoor scene imaging analysis for remote sensing applications

被引：34
作者：
Cheng, Yayun [1 ,2 ,3 ]
Hu, Fei [1 ,2 ,3 ,4 ]
Wu, Hongfei [1 ,2 ]
Fu, Peng [1 ,2 ]
Hu, Yan [1 ,2 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Elect Informat & Commun, Wuhan 430074, Hubei, Peoples R China
[2] Natl Key Lab Sci & Technol Multispectral Informat, Wuhan 430074, Hubei, Peoples R China
[3] Huazhong Univ Sci & Technol, Innovat Inst, Wuhan 430074, Hubei, Peoples R China
[4] China Int Joint Res Ctr Green Commun & Networking, Wuhan 430074, Hubei, Peoples R China
来源：
OPTICS EXPRESS | 2018年 / 26卷 / 16期
关键词：
POLARIMETRIC IMAGERY; MICROWAVE RADIOMETER; ROUGH SURFACES; SYSTEM; GHZ; PERFORMANCE; SIMULATION;
D O I：
10.1364/OE.26.020145
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Polarimetric passive millimeter-wave (PMMW) measurements can provide additional information about scenes. We report on the development of a 94GHz Multi-Polarization Scanning Imaging Radiometer (MPSIR) for outdoor imaging applications, and the polarization characteristic analysis of experimentally acquired images. The imager angular resolution is measured to be 0.37 ffi, and the thermal sensitivity is about 0.46K. Multi-polarization measurements are realized by rotating the detector around the observation axis direction. Several outdoor complex scenes are selected to passive image, which include the outdoor parking lot and the dormitory buildings in the woods. Various polarization parameter images are generated to analyze the polarization characteristics. Based on the multi-polarization imaging, eight more polarization parameters are created and they are all have the special distribution properties. The experimental results indicate that the multi-polarization imaging and the modified polarization parameters have the great potential for three-dimensional reconstruction, edge detection and image segmentation. (c) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
引用
收藏
页码：20145 / 20159
页数：15
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