[ros-users] camera_info message and stereo_image_proc

[Rosen Diankov]

hi dejan,

the point is that there is only one CameraInfo message published in
the entire stereo pipeline, even though images get undistorted and
transformed, which makes the original CameraInfo message invalid.

rosen,

2010/4/14 Dejan Pangercic <dejan.pangercic at gmail.com>:
> Firstly for Rosen on /stereo/[left|right]/camera_info:
> In my case, i.e. after running:
> "roslaunch videre_stereo_cam  videre.launch"
> and
> "rosrun stereo_image_proc stereo_image_proc stereo:=stereo image:=image_raw"
> if I run e.g. "rostopic info /stereo/left/camera_info"
> I am getting following:
> "
> Type: sensor_msgs/CameraInfo
>
> Publishers:
>  * /stereo/stereodcam (http://131.159.19.86:59224/)
>
> Subscribers: None
> "
> So camera_info is being published by the stereodcam (and not by e.g.
> /stereo/stereo_image_proc) node which I think is a desired behavior.
>
> Secondly, response to myself:
>> @Rosen: Out of curiosity, running videre.launch file from
>> videre_stereo_cam pkg, what framerates are you getting? Mines are
>> around 11-16 and I constantly get following warning:
>> [ WARN] [1271160944.481652714]: Timed out waiting for camera.
> This got magically (I swear:-)) better and now I am getting 30fps.
>
> Thirdly, on getting color images:
> I am still getting no color images.
> After running "rosrun image_view stereo_view stereo:=stereo image:=image_color"
> I seem to be getting image_raw displayed. Do I need to do something
> special for color images?
> cheers, D.
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