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http://dx.doi.org/10.7236/IJASC.2021.10.2.45

Implementation on Surveillance Camera Optimum Angle Extraction using Polarizing Filter  

Kim, Jaeseung (Department of Plasma Bio Display, Kwangwoon University)
Park, Seungseo (Sai Technologies Corp.)
Kwon, Soonchul (Graduate School of Smart Convergence, Kwangwoon University)
Publication Information
International journal of advanced smart convergence / v.10, no.2, 2021 , pp. 45-52 More about this Journal
Abstract
The surveillance camera market has developed and plays an important role in the field of video surveillance. However, in recent years, the identification of areas requiring surveillance has been limited by reflective light in the surveillance camera market. Cameras using polarization filters are being developed to reduce reflective light and facilitate identification. Programs are required to automatically adjust polarization filters. In this paper, we proposed an optimal angle extraction method from surveillance cameras using polarization filters through histogram analysis. First of all, transformed to grayscale to analyze the specifications of frames in multiple polarized angle images, reducing computational throughput. Then we generated and analyzed a histogram of the corresponding frame to extract the angle when the highlights are the fewest. Experiments with 0˚ and 90˚ showed high performance in extracting optimal angles. At this point, it is hoped this technology would be used for surveillance cameras in place like beach with a lot of reflective light.
Keywords
Histogram; Image processing; Polarized light; Surveillance camera;
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