分为仿真和实际两个部分:
仿真可以参考之前博文如下:
http://blog.csdn.net/zhangrelay/article/details/53495641
效果如下:


需要启动下面命令进行图像传送:
$ rosrun topic_tools transform /camera/rgb/image_raw/compressed /compressed_image sensor_msgs/CompressedImage 'm'

同理,实际摄像头类似:
$ roslaunch openni2_launch openni2.launch
$ rosrun topic_tools transform /camera/rgb/image_raw/compressed /compressed_image sensor_msgs/CompressedImage 'm'


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