Hey there,
How do you integrate ehci with FlightGear?
I have Ubuntu 9.04 Jaunty and have installed FlightGear and ehci so far.
But, don't know how to integrate them.
Can anyone help please!
Help much appreciated!
On Thu, Apr 1, 2010 at 5:52 AM, Siyui AliOh <sopl...@gmail.com> wrote:
> That Great!
> I have done ehci on my ubuntu, that 3D box realy cool that I see them
> 3d as I move around
>
> 2010/3/1 Melchior FRANZ <mfr...@aon.at>:
> > Head trackers determine the position and orientation of the computer
> user's
> > head, and use this information to modify the view in the artificial 3D
> world.
> > Usually, this requires a sensor (e.g. a webcam) and special markers
> mounted
> > on a helmet or cap. This can be colored/reflective points or even
> (IR)LEDs.
> >
> > There's a (F/OSS) implementation of a head-tracker that only requires a
> > webcam, without the head gear: EHCI[0] (based on OpenCV[1]). It works
> with
> > a face detection algorithm. See the following link for a demo. It shows
> the
> > analyzed face features on the left side, and an overlaid 3D head on the
> > right side.
> >
> > http://www.youtube.com/watch?v=BovphSjw_tI
> >
> > Unfortunately, it doesn't work as well as the film implies. The guy took
> > care of not turning the head too far and keeping the face rectangle
> nicely
> > on screen. If one doesn't do that, then the orientation quickly drifts
> off,
> > and one has to reset the tracker.
> >
> > Anyway, in the hope to see further EHCI improvements in the future, I've
> > written an fgfs addon that uses the tracker information to control the
> > pilot's view. It's a separate application that communicates via UDP
> socket
> > with fgfs, and there are no changes to fgfs (2.0!) necessary. See the
> README
> > for further info:
> >
> > $ git clone git://
> gitorious.org/fg-ehci-headtracker/fg-ehci-headtracker.git
> >
> > Maybe someone is interested in this *and* can perhaps even send me
> patches
> > for improvements/fixes. :-)
> >
> > Note that the EHCI library is a bit strange (to put it politely), which
> > explains some of the fg-tracker weirdness. Also note, that you have to
> > use it in not too dark environment (or maybe use an IR spot, haven't
> tried
> > that yet). And I assume you should have a dual core/cpu machine at least.
> > The tracker uses quite some cpu power for image processing, so it
> shouldn't
> > run on the same cpu/core as fgfs.
> >
> > m.
> >
> >
> > PS: don't expect too much!
> >
> > [0] http://sourceforge.net/projects/opencvlibrary/
> > [1] http://code.google.com/p/ehci/
> >
> >
> ------------------------------------------------------------------------------
> > Download Intel® Parallel Studio Eval
> > Try the new software tools for yourself. Speed compiling, find bugs
> > proactively, and fine-tune applications for parallel performance.
> > See why Intel Parallel Studio got high marks during beta.
> > http://p.sf.net/sfu/intel-sw-dev
> > _______________________________________________
> > Flightgear-users mailing list
> > Flightgear-users@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/flightgear-users
> >
>
>
> ------------------------------------------------------------------------------
> Download Intel® Parallel Studio Eval
> Try the new software tools for yourself. Speed compiling, find bugs
> proactively, and fine-tune applications for parallel performance.
> See why Intel Parallel Studio got high marks during beta.
> http://p.sf.net/sfu/intel-sw-dev
> _______________________________________________
> Flightgear-users mailing list
> Flightgear-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/flightgear-users
>
--
Sincerely,
Aryabrata Basu
PhD Student,
Department of Computer Science,
University of Georgia
Athens, GA 30602, USA.
Email: abasu[AT]cs[dot]uga[dot]edu
Web: www.cs.uga.edu/~abasu
------------------------------------------------------------------------------
Download Intel® Parallel Studio Eval
Try the new software tools for yourself. Speed compiling, find bugs
proactively, and fine-tune applications for parallel performance.
See why Intel Parallel Studio got high marks during beta.
http://p.sf.net/sfu/intel-sw-dev
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