Hey Mac, You are right: I had opened the picture with the gimp but did not push it until modifying contrast and luminosity. Indeed, I can see some very dark values. thanks Raph -- View this message in context: http://ros-users.122217.n3.nabble.com/Black-depth-image-with-kinect-calibration-tp2255412p2255905.html Sent from the ROS-Users mailing list archive at Nabble.com.