展示如何从距离图像中提取NARF 关键点，可执行文件使我们能够从磁

盘上加载点云（如果没有的话就创建随机点云〉，提取上面特征点， 并且用图像和3D

显示方式进行可视化，用户可直观地观察到关键点的位置和数量。-Shows how to extract NARF key points　the distance image, an executable file so that we can be loaded　the disk point cloud (if not created random point cloud> , extract the above feature points, and image and 3D display visualize user It can be visually observed position and the number of key points.