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›› 2004, Vol. 30 ›› Issue (06): 150-151.

• Papers • Previous Articles     Next Articles

A New Method for Judging Reverse Color in the System of Vehicle License Plate Recognition

ZHENG Bochuan1, 2, YE Xiuzi1, ZHANG Sanyuan1   

  1. (1. Computer Graphics and Imaging Lab of the Computer Science College, Zhejiang University, Hangzhou 310027; 2. Department of Mathematics, Sichuan Teachers College1, Nanchong 637002)
  • Published:2004-03-25

汽车牌照号码识别中反色判断的新方法

郑伯川,叶修梓,张三元   

  1. 浙江大学计算机学院图形图像实验室,浙江大学计算机学院图形图像实验室,浙江大学计算机学院图形图像实验室 杭州 310027;四川师范学院数学系,南充 637002

Abstract: This paper proposes a new method to convert all kinds of vehicle license plate to white background and black characters (or black background and white character) based on the color character and geometry character of vehicle license plate.

摘要: 根据彩色车牌的颜色特征和车牌的灰度图的几何特征,提出了一种将车牌灰度图颜色统一转换成黑底白字(或者白底黑字)的新方法。

关键词: 几何特征, 颜色特征, 字符识别

CLC Number: