摘要
介绍了利用数学形态学中膨胀运算与开启运算对栅格地形图进行处理,以此来减少计算机自动矢量化栅格图像线性地物出现的错误,提高工作效率。
This paper introduces a method which can process grid image with expansion filtering and open filtering in mathematical morphology so as to reduce the mistakes which are made in computer automated vectorization and improve the efficiency of working.
出处
《测绘与空间地理信息》
2014年第1期172-173,177,共3页
Geomatics & Spatial Information Technology
关键词
数学形态学
膨胀运算
开启运算
矢量化
mathematical morphology
expansion filtering
open filtering
vectorization
