高分一号影像数据城市生态用地监测Monitoring of urban ecological land use based on Gaofen-1 data
孟晋杰,王建华
摘要(Abstract):
针对我国城市化进程不断加快,城市生态用地发生翻天覆地变化的状况下,如何及时准确地获取城市生态用地覆盖信息的问题,该文以北京部分城区高分一号遥感影像数据作为实验数据,提出一种面向对象的城市生态用地信息提取方法。通过分析城市生态用地5种地物类型的光谱信息和几何信息,建立相应的规则集以提取小尺寸遥感影像中生态用地信息;针对建筑物和裸土难以区分的问题,引入纹理信息来提高提取精度,并将含有纹理信息的规则集应用于北京市遥感影像。实验结果表明,该方法提取精度可以满足大面积的城市生态用地信息提取的需求。
关键词(KeyWords): 高分一号;城市生态用地;多尺度分割;面向对象
基金项目(Foundation): 国家“863”计划项目(2012AA12A309)
作者(Author): 孟晋杰,王建华
DOI: 10.16251/j.cnki.1009-2307.2016.09.008
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