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http://dx.doi.org/10.7840/kics.2012.37C.12.1271

An Accurate Moving Distance Measurement Using the Rear-View Images in Parking Assistant Systems  

Kim, Ho-Young (광운대학교 컴퓨터공학과 미디어프로세서 연구실)
Lee, Seong-Won (광운대학교 컴퓨터공학과 미디어프로세서 연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.37C, no.12, 2012 , pp. 1271-1280 More about this Journal
Abstract
In the recent parking assistant systems, finding out the distance to the object behind a car is often performed by the range sensors such as ultrasonic sensors, radars. However, the installation of additional sensors on the used vehicle could be difficult and require extra cost. On the other hand, the motion stereo technique that extracts distance information using only an image sensor was also proposed. However, In the stereo rectification step, the motion stereo requires good features and exacts matching result. In this paper, we propose a fast algorithm that extracts the accurate distance information for the parallel parking situation using the consecutive images that is acquired by a rear-view camera. The proposed algorithm uses the quadrangle transform of the image, the horizontal line integral projection, and the blocking-based correlation measurement. In the experiment with the magna parallel test sequence, the result shows that the line-accurate distance measurement with the image sequence from the rear-view camera is possible.
Keywords
parking assistant system; accurate moving distance measurement; rear-view camera;
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Times Cited By KSCI : 3  (Citation Analysis)
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