ikonos 基本例句 “艾科诺斯”卫星 For the building shadow in downtown area, it adopts the Shadow Automated Extraction Method of IKONOS Images Based on Image Fusion to extract and the Lamber model to rectify; 对城区建筑物阴影，采用基于影像融合的 IKONOS影像阴影自动提取方法对阴影进行提取，再采用郎伯模型进行校正； dictall