Hi again!
From: Tommi Ilmonen
> Hi.
>
> David Wennström kirjoitti:
> > Yes, one of my objectives is to make it cheap and by using "normal"
> webcams. The real task is done - I have built a 6DOF sensor and it works,
> but (!) I want to make it faster. And these 80 ms are really nagging me.
>
>
> Yes, it is a long time. BTW: If you do head tracking you can often get
> away with 5DOF tracking, since you are probably only interested in the
> two eyes.
Which DOF can I skip? The "roll" angle?
> > I am also very interested in links and projects that I can read about 3D >
> > > tracking system like this in general and particularly head tracking.
> >
> Here is link to one (that I wrote). I think most would be hidden in all
> kinds of SW systems.
>
> http://csdl2.computer.org/persagen/DLAbsToc.jsp?resourcePath=/dl/proceedings/&toc=comp/proceedings/vr/2006/0224/00/0224toc.xml&DOI=10.1109/VR.2006.139
>
Thank you, I'll look into it.
> We used Apple iSight cameras which were certainly cheap enough (but you
> cannot lock the white balance...)
>
> The unibrain board cameras would be very cheap, but then you are down to
> 30 fps again...
>
It's not so much the fps but the latency from picture taken to getting it to
the PC. Currently I will be stuck with the SPC900NC camera - trying to get it a
little bit faster... :)
> --
> ====================================================
> Tommi Ilmonen
> Tel: +358-50-3841 543
> Ubiquitous Interaction Research Group
> Helsinki Institute for Information Technology
> http://www.hiit.fi/ubiquitousinteraction/
> ====================================================
>
>
Regards,
--David
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