Re: [Algorithms] FPS Questions

[gl <gl...@nt...>]

> Its interesting that you mention persistence of the phosphor. We see an
> artifact when using shutter glasses for stereoscopic viewing that may be
due
> to this effect. On a normal CRT screen, if you close one eye while wearing
> shutter glasses, you see a shadow of the object, a second image that
appears
> to be the image for the opposite eye. When you are viewing the same scene
on
> a projection display system, the shadow is not there. Since the shadow
goes
> away with the projection system, I feel the shadow must not be leakage
> through the closed shutter of the open eye. Our theory is that residual
> light from the previous frame must be the cause.

Yeah, that's a well-known problem with LCD shutters - it is precisely
because of the phosphor persistence that you get the ghosting in each eye.
Another reason why consumer-based stereoscopic solutions are so
disappointing.
--
gl (still looking for the Holy Grail in consumer level stereoscopy).