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1.几何图像处理几何图像处理的目的是将卫星影像数据按照所选用的地面座标系统转换并取得一致。常用的方法是分别确定出每帧影像的转换参数,然后把所有的影像镶嵌起来。这种方法的缺点是需要大量的地面控制点,而且在相邻影像的接合区有误差。采用几何镶嵌的方法能避免这些问题。
1. Geometrical Image Processing The purpose of geometric image processing is to convert and reconcile the satellite imagery data with the chosen ground coordinate system. Commonly used method is to determine the conversion parameters of each image, and then all the images inlay. The disadvantage of this method is that it requires a large number of ground control points and there is an error in the junction area between adjacent images. The use of geometric mosaic method to avoid these problems.