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A Camera Based Traffic Signal Generating Algorithm for Safety Entrance of the Vehicle into the Joining Road  

Jeong Jun-Ik (Dept. of Electrical Engineering, Graduate School, Chonbuk National University)
Rho Do-Hwan (Div. of Electronics and Information Engineering, Chonbuk National University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea SP / v.43, no.4, 2006 , pp. 66-73 More about this Journal
Abstract
Safety is the most important for all traffic management and control technology. This paper focuses on developing a flexible, reliable and real-time processing algorithm which is able to generate signal for the entering vehicle at the joining road through a camera and image processing technique. The images obtained from the camera located beside and upon the road can be used for traffic surveillance, the vehicle's travel speed measurement, predicted arriving time in joining area between main road and joining road. And the proposed algorithm displays the confluence safety signal with red, blue and yellow color sign. The three methods are used to detect the vehicle which is driving in setted detecting area. The first method is the gray scale normalized correlation algorithm, and the second is the edge magnitude ratio changing algorithm, and the third is the average intensity changing algorithm The real-time prototype confluence safety signal generation algorithm is implemented on stored digital image sequences of real traffic state and a program with good experimental results.
Keywords
joining road; vehicle; confluence safety; vision system; traffic signal;
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