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为了对SPOT卫星的HRV传感器获取的图象进行几何纠正,以取得遥感图象或应用的影象底图,作者研究了HRV图象的二、三级几何纠正。对SPOT卫星图象进行这两种几何纠正,都可以在IB级处理后的磁带记录的影象数据的基础上进行。二级几何纠正采用一种新的有限元法(另文发表)。
In order to geometrically correct the images acquired by HRV sensors of SPOT satellite to obtain remote sensing image or image base map, the authors studied the second and third level geometric correction of HRV images. These two geometric corrections to the SPOT satellite imagery can all be based on the recorded image data of the IB-processed tape. Second-order geometric correction using a new finite element method (published separately).