周小成,沈占锋,汪小钦,吴波

• 1:福州大学福建省空间信息工程研究中心空间数据挖掘与信息共享教育部重点实验室
• 2:中国科学院遥感应用研究所

摘要(Abstract)：

高分辨率遥感道路网络的自动提取在城市信息更新等方面具有非常重要的意义。在综述国内外道路信息提取进展的基础上,本文提出一套基于特征基元的道路网提取方法体系。即采取自下而上的研究路线("影像像元—特征基元—道路单元—道路网络"):首先通过影像大尺度的区域划分获取道路区域,在此基础上进行小尺度分割,提取出特征基元;然后根据基元的形态、走向、亮度、纹理等特征对基元进行模式分类,识别出道路单元;最后根据道路网语义规则将道路单元进行形态学处理及拓扑连接,形成道路网络。

关键词(KeyWords)： 特征基元;高分辨率遥感;道路网;影像分割

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(40601057);; 教育部高等学校科技创新工程重大项目培育资金项目(706037);; 福建省科技厅重点项目(2007Y0021)

作者(Author): 周小成,沈占锋,汪小钦,吴波

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