[ros-users] stereo camera calibration

Thomas Moulard thomas.moulard at gmail.com
Fri Feb 4 11:23:05 UTC 2011

On Fri, Feb 4, 2011 at 12:17 PM, Asghari Oskoei, Mohammadreza
<m.asghari-oskoei at herts.ac.uk> wrote:
> Hi
> I’m using a pair of Procilica cameras on care-o-bot (cob) robot, managed to
> calibrate them individually (monocular) but have a problem in stereo
> calibration. By running script mentioned for stereo calibration in your
> tutorial, I got ok messages for receiving services but no window that might
> be shown to calibrate, save or commit.
> By the way, by running stereo_image_proc, there are topics in the topic list
> (rostopic list), but no output comes out as you check them by rostopic hz or
> bw or echo. I have seen this in published topics by stereo_image_proc and
> face_detector, though they are in stream or continuous modes.

Your camera are probably not synchronized, you can take a look at this
topic for more information:
Thomas Moulard

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