| 车牌字符分割前的颜色预处理 |
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| 引用本文： | 赵海燕,白青海,裴志利.车牌字符分割前的颜色预处理[J].内蒙古民族大学学报(自然科学版),2004,19(2):156-158. |
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| 作者姓名： | 赵海燕 白青海 裴志利 |
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| 作者单位： | 内蒙古民族大学,数学与计算机科学学院,内蒙古,通辽,028043 |
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| 摘 要： | 介绍了车牌字符分割前的颜色处理过程．车牌字符分割是车牌识别系统的第二步，是在车牌定位之后进行的，因为定位出的牌照一般来说是彩色的，这些彩色信息对字符分割及最后的识别均没有帮助，所以首先将图像转换成灰度图，然后进行一定范围的灰度拉伸，最后进行二值化，为字符分割做好准备工作．
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| 关 键 词： | 灰度图 灰度拉伸 二值化 |
| 文章编号： | 1671-0185(2004)02-0156-03 |
| 修稿时间： | 2003年6月19日 |
The Color Processing Before Tag Segmented of the Characters of License |
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| ZHAO Hai-yan,BAI Qing-hai,PEI Zhi-li.The Color Processing Before Tag Segmented of the Characters of License[J].Journal of Inner Mongolia University for the Nationalities(Natural Sciences),2004,19(2):156-158. |
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| Authors: | ZHAO Hai-yan BAI Qing-hai PEI Zhi-li |
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| Abstract: | This article introduces the processing of license plate's color,the color should be gray,gray streching and threshold before the characters of vehicle license plate has been segment.The characters' segment is the second of the system about license plate's identify,it is behind the location.The plate that has been located is usually colorful,these colors have no help to the later processing,so before the segment has been done,we transfer the color plate to gray plate,stretch it in certain field,and threshold it. |
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| Keywords: | Gray Gray stretching Threshold |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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