On Tue, May 25, 2010 at 8:40 PM, Kurt Konolige wrote: > Yes, I saw these.  They don't exactly explain what's going on.  I > guess this page will be useful with a bit more information, and I'll > try to get to that. Yes, the math for the calibration matrices is rather spread around in the docs. There is some good information, but it's hard to find sometimes. The CameraInfo message itself has some useful hints: http://www.ros.org/doc/api/sensor_msgs/html/msg/CameraInfo.html -- joq