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测绘学报  2014 

基于形状先验和图割的高分辨率遥感影像道路提取

, PP. 60-65

Keywords: 道路提取,高斯混合模型,形状先验,图割

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Abstract:

给出一种从高分辨率遥感影像中提取道路的方法。先对遥感影像进行滤波预处理获取纹理特征;再以图割解算经典能量函数获取道路图斑,其中利用高斯混合模型构建T链;接着利用直线匹配法获得初始道路段;最后用图割解算融合了两种形状先验的能量函数,结合动态外推的思路连接道路段。对不同遥感影像的实验证明了算法的有效性。

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