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面向对象的多尺度无人机影像土地利用信息提取

DOI: 10.6046/gtzyyg.2013.02.19, PP. 107-112

Keywords: 无人机影像,土地利用,信息提取,面向对象

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Abstract:

选取面向对象的方法,对无人机影像进行土地利用信息提取。通过对获取的原始无人机影像进行预处理,选取合适的分割参数对实验区进行多尺度分割,找出不同地物最优分割尺度,建立多尺度分割分类的层次结构体系,然后依据地物分类特征差异,在各自最优分割尺度层建立地物特征提取规则,实现土地利用信息的提取。研究结果表明,针对无人机高分辨率影像,运用面向对象的多尺度分割影像信息提取技术,可充分利用影像中包含的纹理、形状、大小及其相互空间信息,快速、准确地进行土地利用信息提取。

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