[simpits-tech] Head tracking

[David Wheeler]

HI all,
Jim the head of naturalpoint has done lots of work in the VR field,  we is
working on a
----- Original Message -----
From: "Derek Higgs" <simpit@home.com>
To: <simpits-tech@simpits.org>
Sent: Thursday, January 31, 2002 6:14 PM
Subject: Re: [simpits-tech] Head tracking


> I think Computer Graphics World had an article on "augmented reality"
> (basically the same thing) systems last year or so. Of course, they were
> talking about using it for things like maintenance, and tourist guides...
>
> Derek
>
> At 06:28 PM 1/31/02 -0500, you wrote:
> >The next step in head mounted LCD displays is selective virtual reality
> >over the viewing area.
> >
> >This has been tried for things like surgery where the surgeon can see
both
> >the patient and a VR image painted on sections of his field of view.
> >
> >For us, you would program an area in 3-D space that you do not want the
> >virtual world to be painted (the inside of your cockpit).  As you gaze
> >out, any area that you can see that lies inside the cockpit would be left
> >clear, that is, no image would be presented to the LCD and you would be
> >able to see through the LCD glass.  Areas outside the cockpit boundary
> >would be replaced with the VR image in the LCD.  So, as your gaze crosses
> >the boundary you will see part of the LCD fill with the VR image and the
> >rest would be transparent so you can see and operate your controls.
> >
> >A computer is needed to provide the image switching function by
> >recognizing the area that is inside your cockpit and that which is
outside
> >your cockpit.  A small visor mounted camera is used by the computer to
> >tell where you are facing and how much of the image is to be kept and
what
> >is to be painted as VR.
> >
> >Marv
>
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