数字图像处理的基本方法,可以实现图像的放大缩小，旋转，负片，函数变换-3D building reconstruction is a challenging problem addressed by many researchers. Since airborne LIDAR data appeared as a new data source in remote sensing and photogrammetry many attempts were made to model

用来处理米散射回波信号，用来处理激光雷达数据，来气象状况-Scattering echo signal used to process rice for processing lidar data to meteorological conditions