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http://dx.doi.org/10.7855/IJHE.2013.15.5.177

A Development of Stereo Camera based on Mobile Road Surface Condition Detection System  

Kim, Jonghoon (한국건설기술연구원 도로교통연구실)
Kim, Youngmin (한국건설기술연구원 도로교통연구실)
Baik, Namcheol (한국건설기술연구원 도로교통연구실)
Won, Jaemoo (한양대학교 도시대학원)
Publication Information
International Journal of Highway Engineering / v.15, no.5, 2013 , pp. 177-185 More about this Journal
Abstract
PURPOSES : This study attempts to design and establish the road surface condition detection system by using the image processing that is expected to help implement the low-cost and high-efficiency road information detection system by examining technology trends in the field of road surface condition information detection and related case studies. METHODS : Adapted visual information collecting method(setting a stereo camera outside of the vehicle) and visual information algorithm(transform a Wavelet Transform, using the K-means clustering) Experiments and Analysis on Real-road, just as four states(Dry, Wet, Snow, Ice). RESULTS : Test results showed that detection rate of 95% or more was found under the wet road surface, and the detection rate of 85% or more in snowy road surface. However, the low detection rate of 30% was found under the icy road surface. CONCLUSIONS : As a method to improve the detection rate of the mobile road surface condition information detection system developed in this study, more accurate phase analysis in the image processing process was needed. If periodic synchronization through automatic settings of the camera according to weather or ambient light was not made at the time of image acquisition, a significant change in the values of polarization coefficients occurs.
Keywords
road surface condition detection; ITS; CCTV; image processing; K-means clustering;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
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