[1]SHI Xiaopeng,HE Wei,HAN Liqun.A road edge detection algorithm based on the Hough transform[J].CAAI Transactions on Intelligent Systems,2012,7(1):81-85.
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A road edge detection algorithm based on the Hough transform

CAAI Transactions on Intelligent Systems[ISSN 1673-4785/CN 23-1538/TP] Volume: 7 Number of periods: 2012 1 Page number: 81-85 Column: 学术论文—机器感知与模式识别 Public date: 2012-02-25
Title:
A road edge detection algorithm based on the Hough transform
Author(s):
SHI Xiaopeng;  HE Wei;  HAN Liqun
College of Computer Science and Information Engineering, Beijing Technology and Business University, Beijing 100048, China
Keywords:
road edge detection;  Otsu method;  Hough transform;  intelligent transportation;  computer vision
CLC:
TP391.4
DOI:
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Abstract:
Traffic information detection has become a hot topic in the field of computer vision and intelligent transportation systems. The detection of the road edge can effectively remove a large area which has nothing to do with traffic information in order to improve realtime traffic information detection performance. A road edge detection algorithm for straight and serpentine roads was proposed. Histogram equalization and binary segmentation by Otsu method were used to enhance the road edge features, while a mean filter and morphological binary edge were adopted to get rid of noise and obtain features. The Hough transform was used in different spaces to detect the road edge. Experimental results demonstrate that the road edges were detected accurately and the road area was extracted effectively by the proposed methods, guaranteeing the subsequent work of traffic information assorting. 
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