摘要
在同一地区,采用数字表面模型DSM和不同时期DOM两种数据源数据,利用差值检测方法,对城区建筑进行对比检测研究,实验结果表明,基于数字表面模型DSM的差值检测方法在检测城区建筑变化中更有效。
By means of image difference detection,the urban buildings change had been studied in comparison between DSM and DOM in the same region.The result shows that it is more effective based on DSM.
出处
《地理空间信息》
2010年第4期35-36,共2页
Geospatial Information
关键词
变化检测
差值检测
DSM
影像匹配
change detection
difference detection
DSM
image matching
