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24 January 2019 Metal surface detection using division-of-focal-plane imaging polarimetry
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Proceedings Volume 11052, Third International Conference on Photonics and Optical Engineering; 110521A (2019) https://doi.org/10.1117/12.2522015
Event: The International Conference on Photonics and Optical Engineering, 2018, Xi'an, China
Abstract
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.
© (2019) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Hui Wang, Haofeng Hu, Xiaobo Li, Lin Zhao, Zijian Guan, Xiangying Kong, and Tiegen Liu "Metal surface detection using division-of-focal-plane imaging polarimetry", Proc. SPIE 11052, Third International Conference on Photonics and Optical Engineering, 110521A (24 January 2019); https://doi.org/10.1117/12.2522015
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