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Research and Realization of Shrinking Searching-area Method in Licence Plate Location
Author(s): 
Pages: 88-90
Year: Issue:  3
Journal: VIDEO ENGINEERING

Keyword:  车牌识别车牌定位三点平均平滑曲线范围缩小;
Abstract: 提出了三点平均平滑曲线的方法.用灰度直方图的缩小曲线来辨别白天和夜晚的车牌图像,用纵向差分、二值化、纵向投影、三点平均平滑、曲线放大等方法突出车身的横直线,查找车身左右边界,排除地面背景和缩小车牌搜索范围,由此设计了一个应用于高速公路超速监控的车牌识别系统.
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