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Efficient Methods for Road Sign Database Construction  

Kim, Eui-Myoung (남서울대학교 GIS공학과)
Cho, Du-Young (남서울대학교 GIS공학과)
Chong, Kyu-Soo (한국건설기술연구원 U-국토연구실)
Kim, Seong-Hoon (남서울대학교 GIS공학과)
Publication Information
Journal of Korean Society for Geospatial Information Science / v.19, no.3, 2011 , pp. 91-98 More about this Journal
Abstract
Road signs are part of the traffic facilities intended to guide drivers to their destinations in a safe and comfortable manner. Due to the creation of new routes, changes to the old routes, and the deterioration of road signs, road signs do require efforts to do ongoing field investigations and put the results in a database. The purpose of this study was to propose methodologies to do field investigations and build a database for road signs efficiently. For that purpose, a mobile mapping system was designed for field investigations. The designed mobile mapping system was comprised of three cameras to produce image information about road signs, GPS/IMU/DMI to obtain information about the position and attitude of a vehicle, and a laser scanner to generate information about the locations of road signs and routes. Also proposed in the study was a procedure to automatically detect the areas of road signs in the road signs images and recognize their characters.
Keywords
Road Sign; Mobile Mapping System; Road Sign Detection; Character Recognition; Field Investigation; Database;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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