param set for debugging rosparam set /gpuimageproc/approximate_sync true rosparam set /gpuimageproc/queue_size 1 rosparam set /gpuimageproc/camera_info_file_left /data/git/temp_ws/src/gpuimageproc/test/stereobm/euroc_left_scale_0.yaml rosparam set /gpuimageproc/camera_info_file_right /data/git/temp_ws/src/gpuimageproc/test/stereobm/euroc_right_scale_0.yaml