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SAR and Optical Image Fusion Enhancement Method and Effect Analysis
Pages: 26-29
Year: Issue:  1
Journal: Hydrographic Surveying and Charting

Keyword:  coastal zone monitoringfull-polarization SARhigh resolution optical imageimage fusionquality evaluation;
Abstract: 基于Radarsat-2全极化SAR、GF-1多光谱、Landsat-8多光谱影像,利用PCA变换、HSV变换等方法,分析了同空间分辨率的SAR与光学全色影像的信息量,并评价了其分别与Landsat-8多光谱影像的融合结果.结果表明:全极化SAR影像较全色影像的亮度高,图像标准差、信息熵及平均梯度总体趋于一致,信息量相当;融合影像目视效果相近,且SAR融合影像较光学融合影像包含的信息量更为丰富,利用高分全极化SAR影像替代光学全色影像开展海岸带遥感监测是可行的.
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