| 一种基于粗细定位相结合的车牌定位方法 |
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| 引用本文： | 郑伯川,崔屏,张征. 一种基于粗细定位相结合的车牌定位方法[J]. 重庆邮电学院学报(自然科学版), 2007, 0(2) |
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| 作者姓名： | 郑伯川 崔屏 张征 |
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| 作者单位： | 西华师范大学数学与信息学院 四川南充637002(郑伯川，张征)，重庆邮电大学自动化学院 重庆400065(崔屏) |
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| 摘 要： | 对车牌区域的准确定位是实现自动车牌识别的一个重要步骤。首先对香港车牌进行粗定位,得到一些可能的车牌区域,然后确定这些区域的精确范围,同时去除部分伪车牌,在字符提取和字符识别时进一步去除伪车牌。迭代反馈处理所有精确范围区域后,得到真正的香港车牌区域。
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| 关 键 词： | 车牌定位 纹理特征 粗细定位 智能交通系统 |
An algorithm for license plate location based on rough-detail location |
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| ZHENG Bo-chuan ZHANG Zheng College of Mathematics and Information.China West Normal University.Nanchong ,P.R.China CUI Ping College of Automation,Chongqing University of Posts and Telecommunications,Chongqing ,P.R.China. An algorithm for license plate location based on rough-detail location[J]. Journal of Chongqing University of Posts and Telecommunications(Natural Sciences Edition), 2007, 0(2) |
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| Authors: | ZHENG Bo-chuan ZHANG Zheng College of Mathematics Information.China West Normal University.Nanchong P.R.China CUI Ping College of Automation Chongqing University of Posts Telecommunications Chongqing P.R.China |
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| Affiliation: | ZHENG Bo-chuan ZHANG Zheng College of Mathematics and Information.China West Normal University.Nanchong 637002,P.R.China CUI Ping College of Automation,Chongqing University of Posts and Telecommunications,Chongqing 400065,P.R.China |
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| Abstract: | Exact location of license plate in image plays an important role in automatic license plate recognition sys- tem.In this paper,firstly,Hongkong license plate has been roughly located.In this way,some possible license plate regions have been found out.Secondly,by detailedly locating the precise bound of these possibilities,parts of fake license plates can be removed.In characters division and character recognition process,the fake license plates from license plate regions are further removed.Finally,the true Hongkong license plate has been obtained after iter- ative feedback processing all license plate regions with precise bound. |
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| Keywords: | license plate location texture characteristic rough-detail location ITS |
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