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基于双极化ASAR数据的水稻信息提取

DOI: 10.11834/jig.20081023

Keywords: ENVISAR,ASAR双极化水稻信息提取

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Abstract:

通过分析长乐市试验区2005年ENVISATASAR数据图像,研究水稻信息提取的方法。提出在分析两个时相、双极化ASAR水稻后向散射变化规律的基础上,构建基于两个时相、双极化的新波段图像的新方法,该方法不仅增强了水稻信息,还减少了水稻和其他背景地物的混淆度,只要采用简单的图像监督分类方法就可以很好地提取出水稻信息,其精度达到94?92%。研究表明,该方法能够有效的识别并提取出水稻信息。

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