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http://dx.doi.org/10.5370/KIEE.2011.60.6.1183

Color Image Segmentation for Extracting Dental Plaque  

Kim, Kyeong-Seop (건국대 의료생명대 의학공학부, 건국대 의공학실용기술연구소)
Shin, Seung-Won (건국대 의료생명대 의학공학부)
Lee, Se-Min (건국대 의료생명대 의학공학부)
Jeong, Jin-Sun (연세대 일반대학원 치의학과)
Park, Won-Se (연세대 치과대학병원 통합진료과 임상부)
Kim, Kee-Deog (연세대 치과대학병원 통합진료과)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.60, no.6, 2011 , pp. 1183-1189 More about this Journal
Abstract
In this study, we propose the unsupervised image segmentation algorithm to estimate dental plaque accumulations on digital imaging with methylene blue disclosed plaque. With this aim, RGB color plane is mapped into HSI coordinates and the circular histogram of Hue is reconstructed by applying Otsu's threshold level. The histogram distribution on Saturation features is also analyzed by maximizing the variance between a plaque candidate and non-plaque one. The dental plaque regions are resolved by applying the composite decision logics based on the threshold level of Hue and Saturation.
Keywords
Dental plaque; Image Segmentation; Hue; Saturation; Intensity;
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