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http://dx.doi.org/10.5207/JIEIE.2008.22.4.026

The Recognition and Segmentation of the Road Surface State using Wavelet Image Processing  

Han, Tae-Hwan (명지전문대학 전기과)
Ryu, Seung-Ki (한국건설기술연구원)
Song, Wonseok (서울대학교 대학원)
Lee, Seung-Rae (씨큐솔루션 CTO)
Publication Information
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers / v.22, no.4, 2008 , pp. 26-34 More about this Journal
Abstract
This study focus on segmentation process that classifies road surfaces into 5 different categories, dry, wet water, icy, and snowy surfaces by analyzing asphalt-paved road images taken in daylight. By using the polarization coefficients, the proportions of horizontally polarized components to vertically polarized components, regions with over 1.3 polarization coefficients are classified as wet surfaces. Except for wet surfaces, the decision process a lies time-frequency analysis to other parts by using the third order wavelet packet transform. In addition, by using the average frequency characteristics of dry and icy surfaces from image templates, decide which is closer to a test image, and finally identify dry and icy surfaces. It is confirmed that the reposed estimation and segmentation of recognition on various images. This can be interpreted as an indication that image-only mad surface condition supervision is probable.
Keywords
Wavelet packet transform; Polarization coefficient; Time-frequency analysis; Road surface condition; Image recognition;
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