Re: Eyetracking VS BCI (eyetracking could make hires HMD)

> Sounds like a plug-in for the following Les (they call them Web 2.0  
> dressing rooms...personally, I’d prefer to have some place where  
> I’m not twittering and texting trying to figure out whether to buy  
> that pair of jeans, but then I hate shopping)...
>
>
> IconNicholson's Social Retailing(SM) concept, first unveiled at the  
> National Retail Federation's (NRF) BIG show at the Javits Center in  
> New York City in January 2007, answers the question that retailers  
> are pondering for the future of their business: How do you engage  
> the digi-savvy youth audience in a cool and unique way while  
> expanding your retail sales and reach?
>
> http://www.usatoday.com/tech/news/techinnovations/2007-01-18-high- 
> tech-dressing-rooms_x.htm
> http://www.iconnicholson.com/nrf07/
>
> :)
>
> Doug Thompson
> RTC Health
> 67 Mowat Ave, 441
> Toronto, ON M6K 3E3
> 416.413.7910 ext 203
> *RTC Health is a division of R T Communications Inc.
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>
> From: Les <[hidden email]>
> Reply-To: <[hidden email]>, Les <[hidden email]>
> Date: Thu, 21 Feb 2008 14:45:25 -0500
> To: <[hidden email]>, PAUL SHELDON <[hidden email]>
> Subject: Re: [croquet-user] Eyetracking VS BCI (eyetracking could  
> make hires HMD)
>
> On Thu, 2008-02-21 at 09:50 -0800, PAUL SHELDON wrote:
> > --- "deadgenome -.,.-*`*-.,.-*`*-"
> > <[hidden email]> wrote:
> >
> > > you move the projection source to physically match
> > > the direction your
> > > eye is looking...
> > Yes that is what I meant to try to convey or instruct.
> > > off the top of my head I can think
> > > of several
> > > arrangements of optics that could accomplish this.
> > >
> > Fantastic. I think you understand the idea I was
> > trying to convey.
> > The eye would track the image that was behind the
> > sampling screen
> > and the pixels would interleave precluding the need
> > for high resolution
> > sampling screen by time multiplexing of interleaved
> > pixels on retina
> > if you want to think about retinas or more difficult
> > stuff
> > if you want to think of vision systems in the brain
> > like Bell Labs did.
> Yet another option is shading to move the perspective from one  
> pixel to
> the next.  Think of a black line running at some arbitrary angle.  
> When
> the line is at precisely 45 degrees (or whatever is appropriate for  
> the
> ratio of length to height of pixels), the line is directly drawn.  If
> the line runs at some other angle, the pixels on either side are  
> shaded
> approprately to the gamma factor and shade approprate to interperolate
> the actual line.  Although the actual hardware resolution doesn't
> change, the eye perceives a smoother and more "real life" line rather
> than a  pixelated image.
>
> In 3d this is generally accomplished by calculating the radiance  
> factor
> given the relative angles of each facet contributing to the edge.  A
> similar effect is used to smooth the compound curves for pixelated 3d
> images.
>
> There is no reason this could not be used with coarser displays  
> (reduced
> pixel counts).  But today, with small screens on PDA's and other
> devices, it won't be long before head mounted displays can be  
> megapixel,
> full color and quite small.
>
>  One use is via a DMD IC (produced by TI) mounted in the frame of
> eye-wear that will project an image onto the inside of the lens (first
> surface).  This surface could be coated to reduce reflective
> interference with the real world, and it would be possible to  
> overlay VR
> onto the real world.  Think about a home walk through where your
> furniture could be featured in the rooms as you walk through.  
> Clothing
> that could be shown on your body via a VR mirror, or other commercial
> applications.
>
>  A means of achieving polar coordinates appropriate to the room  
> could be
> a light bar on some wall, viewed by a camera in the headset,  
> similar to
> the WII.
>
>  How's that for a good application?
>
> Regards,
> Les H
>
>
>
>