一种高分辨率遥感影像阴影去除方法

被引:61
作者
杨俊 [1 ]
赵忠明 [2 ]
杨健 [2 ]
机构
[1] 中国气象科学研究院雷电物理与防护工程实验室
[2] 中国科学院遥感应用研究所
关键词
HSI变换; 阴影检测; 阴影去除;
D O I
10.13203/j.whugis2008.01.024
中图分类号
TP751 [图像处理方法];
学科分类号
摘要
基于阴影属性提出了一种全自动彩色影像阴影去除算法。首先将影像变换到HSI空间,依据阴影区域亮度值低和饱和度高的特性,结合小区域去除和数学形态学处理,得到精确的阴影区域。然后,分别对I、H、S分量图上各个独立阴影区域与其邻近的非阴影区域进行匹配补偿,再反变换回RGB空间,完成阴影去除操作。实验结果表明,该方法能在不改变非阴影区域信息的情况下,有效地去除阴影的影响。
引用
收藏
页码:17 / 20
页数:4
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