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Hello everybody!
I have exactly the same problem, please help!!! To add more information: When I launch the hand_detector.launch everything is OK but in the end I have the following command lines:
Waiting for service /openni_camera/set_parameters... New User 1 New User 2 New User 3 Lost user 1 Lost user 2 Lost user 3 New User 3 Lost user 3 New User 3
And so all the time: New user, lost user...
As tan, when I change "camera/depth/points2" to ""camera/depth/points" the status of that "Point Cloud2" become OK and I can get an image on RViz, but I still have the other two warnings and I can't see the hands detection.
Thanks in advance!