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根据激光雷达数据的特点以及农村地区地形的特点,提出了一种融合Lidar距离数据和强度数据的自动提取数字高程模型(DEM)的算法。运用此算法对某地区的激光雷达数据进行了试验,证明该算法的可行性。
According to the characteristics of laser radar data and the characteristics of terrain in rural areas, an algorithm of automatic digital elevation model (DEM) based on Lidar distance data and intensity data is proposed. The algorithm is used to test the laser radar data in a certain area, and the feasibility of the algorithm is proved.