河流湿地遥感信息提取方法研究
孙永军1 , 陈德智2 , 邱云峰2
1.中国国土资源航空物探遥感中心,北京100083; 2.北京大学遥感与地理信息研究所,北京100871
A Study of River Wetland Information Extraction
SUN Yong-jun 1 , CHEN De-zhi 2 , QIU Yun-feng 2
1. China Aero Geophysical Survey and Remote Sensing Center for Land and Resources, Beijing 100083, China; 2. Institute of Remote Sensing and GIS, Peking University, Beijing 100871, China
摘要 根据河流具有明显河道信息的特点,采用基于改进的Canny 算子边缘提取方法从ETM+图像中提取河流湿地信息。试验表明,该方法综
合利用了河流湿地的光谱特征和结构特征,取得较好效果。
关键词 :
渤海湾 ,
泥质海岸带 ,
海岸线变化 ,
图像处理 ,
遥感解译
Abstract :Based on the linear features, the authors extracted river wetland information from ETM+ image by using the method
of advanced Canny edge extraction. Making use of both spectral and structural features of river wetland, this method acquired a good result.
Key words :
Bohai bay
Muddy coast
Coastline changs
Remote sensing analysis
收稿日期: 2010-04-21
出版日期: 2010-11-13
基金资助: 中国地质调查局地质调查项目“黄河流域基础地质环境遥感调查与监测”(编号: 12120105105)。
通讯作者:
孙永军(1964 - ),男,博士,主要从事环境遥感研究。
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