Re: [ros-users] webcam: stop automatic whites

Hi Ugo,

I think I once managed to do that using the V4L2 extended controls API.

Maybe this document helps (check 1.9.6 section) http://v4l2spec.bytesex.org/spec/x802.htm

Cheers,
Miguel.

El 23/08/2010, a las 14:21, Ugo Cupcic escribió:

>
> Hi all,
>
> I'm trying to deactivate the automatic whites / light correction on my
> webcam, for a better background extraction. I googled for v4l and opencv
> but didn't get any answers. Would someone know how to do that ?
>
> Cheers,
>
> Ugo
>
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