Re: Color perception, was Re: human tetrachromate mutant reported

From: Michael M. Butler (butler@comp-lib.org)
Date: Fri Dec 01 2000 - 12:15:24 MST


Actually, that's not entirely true. The effect I am talking about is due
to distinctly different information being presented to each eye. Kind of
like the offkilter sparkle of nighttime streetlights off snow on the
ground: your left eye doesn't see the same crystalline reflections of
light as your right.

"Michael S. Lorrey" wrote:
>
> Actually, if you wear polarizing glasses all the time, your eyes will
> adjust to this. You only notice this because the eyes are used to such
> level of detail being washed out by the glare of the unpolarized light.
>
> "Michael M. Butler" wrote:
> >
> > Check out Dr. Land's Retinex theory of color vision for what might be an
> > interesting clue.
> >
> > I also sometimes notice additional information from wearing polarized
> > sunglasses. A leaf on the ground will appear to have a peculiar
> > glistening sheen. I should research this some more.
> >
> > Dave Sill wrote:
> > >
> > > hal@finney.org quoted:
> > > >
> > > > The two eyes perceive two different shifts in
> > > > the color of an object relative to the perception of the color of the
> > > > object by the unaided eye.
> > <snip>
> > > I don't get it. I don't see--excuse the pun--how selectively filtering the
> > > light reaching each eye can add information. The depth perception analogy
> > > doesn't work because in this case the filtering doesn't provide new
> > > information.
> > >
> > > -Dave



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