Metal surface detection using division-of-focal-plane imaging polarimetry

被引：0
|
作者：
Wang, Hui [1 ,2 ,3 ,4 ]
Hu, Haofeng [1 ,2 ,3 ,5 ]
Li, Xiaobo [1 ,2 ,3 ]
Zhao, Lin [1 ,2 ,3 ]
Guan, Zijian [1 ,2 ,3 ]
Kong, Xiangying [6 ]
Liu, Tiegen [1 ,2 ,3 ,5 ]
机构：
[1] Tianjin Univ, Sch Precis Instrument & Optoelect Engn, Tianjin 300072, Peoples R China
[2] Minist Educ, Key Lab Optoelect Informat Technol, Tianjin 300072, Peoples R China
[3] Tianjin Univ, Inst Opt Fiber Sensing, Tianjin Opt Fiber Sensing Engn Ctr, Tianjin 300072, Peoples R China
[4] Hebei Normal Univ, Coll Phys Sci & Informat Engn, Hebei Adv Thin Films Lab, Shijiazhuang 050024, Hebei, Peoples R China
[5] Qingdao Natl Lab Marine Sci & Technol, Joint Lab Ocean Observat & Detect, Qingdao 266237, Shandong, Peoples R China
[6] Aerosp Precis Prod Co Ltd, Tianjin 300300, Peoples R China
来源：
THIRD INTERNATIONAL CONFERENCE ON PHOTONICS AND OPTICAL ENGINEERING | 2019年 / 11052卷
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
imaging polarimetry; metal surface detection; angle of polarization; degree of linear polarization;
D O I：
10.1117/12.2522015
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Imaging polarimetry has emerged over the past decades as a powerful tool to reveal the information invisible in intensity image. This paper aims at the application of division of focal plane (DoFP) imaging polarimetry in metal surface inspection. We obtain the intensity image and polarimetric image of some metal components on which there are defects, including scratch, wear, crack and burr. Experiment shows that polarimetric imaging can reduce the effect of strong reflection and improve the defect/surface contrast. The polarimetric image is more effective for metal surface inspection than the traditional intensity image.
引用
收藏
页数：6
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