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Study on Detection and Recognition of Speed Signs

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Speed sign detection and recognition are the important part of the driving assistant systems. Combining gradient-based random Hough transform with BP network, a method is proposed to detect and recognize speed signs. Firstly, the gradient-based random Hough transform is used to detect and locate the speed signs. Then four contour features of the 'digit' inside the speed signs are extracted and recognized using the method of BP network. The results show that this method can detect and recognize the speed signs accurately and efficiently.

speed signsrandom Hough transformBP networkcontour feature

LIU Li、XIAO Zhitao、LV Jinpu

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Department of Information and Communication, Tianjin Polytechnic University, Tianjin 300160, CHN

Key Technology Project of Tianjin City

10ZCKFGX00300

2010

半导体光子学与技术(英文版)
重庆光电技术研究所

半导体光子学与技术(英文版)

影响因子：0.04
ISSN：1007-0206
年,卷(期)：2010.16(2)
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