摘要
变化检测是遥感信息科学的一个重要研究方向。本文首先介绍了遥感变化检测的技术流程;其次,重点介绍了各种常用的和近年来新出现的变化检测方法,并对其优缺点进行了简要评述;最后,讨论了变化检测技术的发展现状和存在的问题。
Change detection is an important research topic in remote sensing information science. In this paper, firstly, the change de- tection process of remote sensing imagery is introduced. Secondly, several conventional and latest methods applied in change detection are presented and evaluated. Finally, the current development situation and existing problems in change detection techniques are dis- cussed.
出处
《测绘与空间地理信息》
2012年第9期38-41,共4页
Geomatics & Spatial Information Technology
基金
国家"863计划"项目(2009 AA 122004)资助
关键词
遥感影像
变化检测
影像分割
判别规则
特征匹配
remote sensing imagery
change detection
image segmentation
decision rule
feature matching
