[ros-users] stereo camera calibration

Jack O'Quin jack.oquin at gmail.com
Fri Feb 4 20:13:54 UTC 2011


On Fri, Feb 4, 2011 at 5:23 AM, Thomas Moulard <thomas.moulard at gmail.com> wrote:
> 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:
> https://code.ros.org/lurker/message/20101130.125637.9414e705.en.html

There is an open enhancement ticket for this:

 https://code.ros.org/trac/ros-pkg/ticket/4217

As far as I can tell this is still intended for release in
Diamondback. But, it is still open and Patrick seems busy with many
other urgent tickets right now. I don't know what the prognosis is.
-- 
 joq



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