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电子学报  2012 

基于模型的单幅高分辨SAR图像建筑物高度反演方法

DOI: 10.3969/j.issn.0372-2112.2012.06.003, PP. 1086-1091

Keywords: 高分辨SAR图像,建筑物高度估计,三维几何参数模型,投影模型,似然函数

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Abstract:

高分辨合成孔径雷达(SAR)图像的丰富使得建筑物三维信息获取成为城区遥感的一项重要研究课题.针对单幅SAR图像建筑物的高度估计问题,提出了一种基于模型的高度反演方法.该方法遵循假设检验的思路,通过正交投影模型实现模型假设的快速生成,并设计了基于分割的似然函数,利用模拟退火算法在高维模型假设空间中搜索最优解.基于模拟和实测机载SAR图像的实验验证了算法的有效性.

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