GF-4序列图像的云自动检测

来源 :遥感学报 | 被引量 : 15次 | 上传用户：chung51

【摘要】

：

以高分四号(GF-4)卫星L1级标准分幅数据产品提供高精度的云检测产品为目的,研究针对地球同步轨道卫星数据的云检测算法,改进自动阈值以适应同日不同时刻成像数据的辐射亮度与地表反射特性的变化差异。利用GF-4卫星凝视成像方式获取的同区域序列图像以及云在不同图像上的运动特性,结合自动阈值与SavitzkyGolay(SG)滤波修正检测结果中的误检。算法的两个关键预处理,一是通过自动的几何配准解决未经几

【作者】

：

胡昌苗白洋唐娉

【出处】

：

遥感学报

【发表日期】

：

2018年01期

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GF-4序列图像的云自动检测

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