姜琪,代晶晶,田淑芳

• 1:中国地质大学(北京)
• 2:中国地质科学院矿产资源研究所自然资源部成矿作用与资源评价重点实验室

摘要(Abstract)：

针对云雾天获取的影像对比度低、地物细节模糊,严重影响影像后期处理的问题,该文基于WorldView-3(WV-3)遥感影像,通过薄云最优化变换(HOT)与点云算法相结合、暗通道两种方法去除或削减图像中云层信息,并采用相关系数、光谱扭曲度等参数定量评价两种方法的去云效果。结果显示,HOT与点云算法结合与暗通道两种方法均能对WV-3影像中云层信息进行去除,其中后者去云结果各波段的相关系数比前者去云结果平均高出6.9%,后者的光谱扭曲度比前者平均低出1.67%。因此暗通道去云方法要优于HOT与点云算法结合的去云方法。

关键词(KeyWords)： 去云处理;HOT;点云算法;暗通道方法;定量评价

Abstract:

Keywords:

基金项目(Foundation): 中国地质调查二级项目(DD20190173)

作者(Author): 姜琪,代晶晶,田淑芳

DOI: 10.16251/j.cnki.1009-2307.2021.08.020

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