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测绘学报  2013 

基于面特征的遥感图像几何校正模型

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Keywords: 遥感图像,几何校正模型,面特征,距离

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Abstract:

传统的遥感图像几何校正模型是基于控制点建立的。然而在很多情况下图像上面特征比点特征更易自动提取。本文提出面特征之间距离的定义及算法,在此基础上提出利用控制面建立误差方程的方法,实现了基于面特征的几何校正。以Landsat、ALOS和Quickbird影像为例进行了试验,试验结果表明本文的方法可用于不同的卫星影像和成像模型。当控制资料不含粗差时,利用控制面和控制点的校正精度基本一致,可达到1个像素以内;当控制资料含有粗差时,基于面特征的几何校正模型比基于点特征的几何校正模型具有更强的容错能力。

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