摘要
通过对高速公路指路标志的构造布局和成像特征的分析,提出了利用数字图像技术获取标志外形尺寸的有效方法,介绍了方法的原理及具体的运用。该方法的运用,可以取得全局最优的结果。
Through the analysis of layout and picture characteristic of freeway traffic direction signs, this paper presents an effective method (digital image technology) to acquire the sign outline dimension in the picture, and gets an overall optimal result. The principle and application of the method is also introduced.
出处
《中国市政工程》
2007年第4期11-12,共2页
China Municipal Engineering
关键词
高速公路
指路标志
图像特征
expressway
direction signs
picture characteristic
