利用边缘密度特征提取高分辨率遥感影像中的居民区

被引:6
作者
陈洪
陶超
邹峥嵘
邵磊
机构
[1] 中南大学地球科学与信息物理学院
关键词
高分辨率遥感影像; 居民区提取; Mean Shift算法; 边缘密度特征; 空间投票;
D O I
暂无
中图分类号
P237 [测绘遥感技术];
学科分类号
1404 ;
摘要
居民区相对于其他区域具有更明显更丰富的边缘特征.根据这一特点,提出一种利用边缘密度特征差异进行高分辨率遥感影像居民区自动提取的方法.该方法首先利用Mean Shift算法平滑原始影像,然后检测平滑影像上的边缘并拟合成直线段,最后利用影像中的边缘密度分布构建空间投票矩阵,并结合Ostu阈值分割方法提取居民区.实验表明:该方法可用于提取场景比较复杂的影像中的居民区,且具有较高的准确率和鲁棒性.
引用
收藏
页码:537 / 542
页数:6
相关论文
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