Learning-based license plate detection in vehicle image database
by Huaifeng Zhang, Wenjing Jia, Xiangjian He, Qiang Wu
International Journal of Intelligent Information and Database Systems (IJIIDS), Vol. 1, No. 2, 2007

Abstract: This paper proposes a learning-based algorithm to detect license plates of vehicles from vehicle image database. There are three main contributions in this paper. The first contribution is to define a novel vertical edge map, which makes the image processing more effectively. The second contribution is to propose a learning-based cascade classifier composing of two kinds of sub-classifiers, which makes the system very robust. The third contribution is to experimentally estimate the parameter of scaling factor and chose an optimal one for the algorithm to seek a good balance between detection rate and processing time.

Online publication date: Mon, 20-Aug-2007

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