[photo-3d] Re: TV anaglyphs (was: digital video)

[Andrew Woods <A.Woods@xxxxxxxxxxxxxxxxxx>]

sergio baldissara <bobongo@xxxxxxxxx> wrote:
> http://www.3dmagic.com/spacespex/spacespex.html proposes Yellow + 
> Blue for anaglyph  videos, and shows some samples. Those samples seem 
> higly unsatisfatifactory to me, but I can only see them on the monitor 
> of my PC, so it might well be YB anaglyphs really do better in TV. 

A computer monitor image will be several levels better than a composite
video driven TV monitor.  A computer monitor is driven by separate Red
Green and Blue signals so full colour separation is retained.  
Composite video for a TV (NTSC or PAL) mixes the colour & brightness info
into one signal and some mixing does result.
It is therefore unlikely the images will look any better on a TV - probably
much worse.

Due to the nature of the colour phosphors used in most computer & TV
monitors, Red/Cyan anaglyphs have a better chance of offering less
ghosting - due to the relatively good separation between the red
and green phosphors.  The green and blue phosphors actually overlap.
See my photo-3d posting of Nov 9, 2000 for more info:
  http://groups.yahoo.com/group/photo-3d/message/5795

John Rupkalvis <stereoscope@xxxxxxxxxxxxx>
> Try: www.nwave.com
> They sell amber/blue anaglyph glasses and DVDs.

I had a look at the site but couldn't find any reference to DVDs being
for sale...  Do you have the address of the actual page?

Cheers,
Andrew.

 

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