点云测试算法，怎样读取点云。进行不断测试。加速迭代-Point cloud testing algorithm, how to read the point cloud. Continuous testing. Speed up the iterative

对比CPU和GPU加速，pcl::cuda的使用教程，利用随机采样一致(RANSAC)去除地平面等例子。(Compare CPU and GPU acceleration, pcl::cuda tutorial, using random sampling consistency (RANSAC) to remove ground plane and other examples.)