[Papervision3D] Face Tracking for Papervision VR

Mon Aug 17 11:02:44 PDT 2009

Hi Clint,

What is the other C based face detection library you have in mind (apart
from OpenCV is assume)?

Jake

2009/3/16 Clint Hannaford <clint at boffswana.com>

>
> Hi there Steven,
>
>
> I was quite aware of the work you had done, and I had tried using Deface to
> do this type of thing along with Marilena, but both were extremely slow when
> it came to realtime face tracking.  We were getting 3-5 fps at best, when
> combined with papervisions overheads.  We had decided to try and see if
> there were ways to optimise them, down the track, once our workload had
> eased in the coming weeks, possibly even lookling into Alchemy and another C
> based face detection library.  Then Quasimondo posted his optimisations.
>
> Not trying to take anything away from the work you had done, which is
> great.
>
> I guess the exciting thing for us now, is that there's now a solution that
> runs at a near acceptable speed for this Johnny Lee style head tracking VR
> display, without the need for the WiiMote.
>
> It opens up a lot of possibilities.
>
> Looking forward to any optimisations that you make to the Deface library...
>
> Regards,
> Clint.
>
>
>
> -----Original Message-----
> From: papervision3d-bounces at osflash.org on behalf of Steve Shipman
> Sent: Tue 3/17/2009 2:52 AM
> To: papervision3d at osflash.org
> Subject: Re: [Papervision3D] Face Tracking for Papervision VR
>
> Sigh.  I did this over a year ago with my own implementation of face
> detection.
> http://board.flashkit.com/board/showpost.php?p=4013716&postcount=8 (forum
> post from back then, but proof of concept was never online).
>
> Not really complaining, just sad that it's now hailed as so awesome when it
> was ignored back then.
>
> I'll have to look through the optimized marilena and see if I can improve
> deface.
>
>
> 2009/3/16 Francisco Murillo <fmurillo at gmail.com>
>
> > is there any video to see this..  for those without a camera (including
> > me)...   thanks
> >
> >
> >
> >
> > 2009/3/16 Clint Hannaford <clint at boffswana.com>
> >
> >> Hi olee
> >>
> >> We toyed with distance using the size of the detection box, but that
> >> proved a bit too unstable, so only left right, up and down at present.
> >>
> >> Head rotation is also a problem.  It's good up until a point.
> >>
> >> We're looking into whether Alchemy will be a silver bullet in this
> regard,
> >> with another face detection library.
> >>
> >> Ultimately if you can detect the location and distance between the eyes,
> >> you'd be able to do an awful lot of cool stuff with this type of thing.
> >>
> >>
> >> -----Original Message-----
> >> From: papervision3d-bounces at osflash.org on behalf of o renken
> >> Sent: Mon 3/16/2009 10:54 PM
> >> To: papervision3d at osflash.org
> >> Subject: Re: [Papervision3D] Face Tracking for Papervision VR
> >>
> >> Awesome, unfortunately ive got no webcam here.
> >> Iam working on a virtual window in the last days.
> >> Iam curious if you
> >> a) solved to display the distance between viewers head to the virtual
> >> window
> >> and
> >> b) head-rotation, too.
> >>
> >> Do you share your code?
> >>
> >> cheers,
> >> olee
> >>
> >> 2009/3/16 Clint Hannaford <clint at boffswana.com>
> >>
> >> >
> >> > Hi all,
> >> >
> >> > We've just put up a post up on our blog, showcasing a tech demo based
> >> > around Johnny Lees Wiimote head tracking.
> >> >
> >> > With this one you don't need the wiimote, just a webcam and flash.
> >> >
> >> > http://www.boffswana.com/news/?p=498
> >> >
> >> > I should note that Mr Doob beat us to the punch by posting an article
> on
> >> > the exact same thing before we could get our demo up.
> >> >
> >> > http://mrdoob.com/blog/post/643
> >> >
> >> > Always the way...
> >> >
> >> > Credit also to Quasimondo for his work optimising the Marilena class
> >> >
> >> > Regards
> >> >
> >> >
> >>
> -------------------------------------------------------------------------
> >> >
> >> > Clint Hannaford
> >> >
> >> > Senior Flash Developer
> >> >
> >> > Boffswana
> >> > 180 Bank Street
> >> > South Melbourne Victoria 3205 Australia
> >> >
> >> > direct: + 61 3 9251 1768
> >> > studio: +61 3 9251 1789
> >> > fax: + 61 3 9699 8111
> >> >
> >> > clint at boffswana.com
> >> >
> >> > www.boffswana.com
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