cd path/calib_example/calib mkdir build & cmake .. make
prepare point cloud to be calib and get trans maxtrix python3 get_trans.py
visual two point cloud before and after calibration python3 viz_calib.py
从有pose有问题bag包获取相邻两帧点云，叠帧后可视化
经过配准后叠帧的图片，明显可见重影没有了
