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- 2016
多光谱遥感影像的灰度与纹理信息测度方法
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Abstract:
本文研究了一种基于参数熵模型的遥感影像信息量估算方法,用以量化影像的灰度信息量和纹理信息量及其组合后的信息量。该方法的支点是,利用基于差值脉冲编码调制的遥感影像波段内和波段间去相关算法,同时消除冗余信息和噪声对信息熵的影响,运用参数熵模型来估计遥感影像的有用信息量。本文利用Landsat影像进行了计算实验和分析。结果表明,该算法可以有效评价多光谱遥感影像的信息量,以便为分类和影像质量评价等应用问题提供信息论指标
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