[photo-3d] Re: Re: do you believe it

[Jim Crowell <jcrowell@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx>]

> I went to the site, still not convinced. What you are seeing is some
> visual trick, not stereoscopic vision. Again, Stereoscopic images require
> a left and right eye view. If the process was legitimate, it would have
> been discovered by now.
> 
> Bob
> 

The 3-DVG has been discussed to death several times over the past few years.
It does introduce binocular disparities between parts of the images with
different colors (among other effects), but they generally aren't consistent
with the 3-D structure of the scene in the photograph.  Only if e.g. all the
warm-colored objects in the scene are nearer or farther away than all the
cool-colored objects.  It's called chromostereopsis, results from the pupil
(or in this case, the pinhole) being offset from the center of the lens of
the eye.

The rest of the effect can basically be understood as the elimination or
minimization of monocular and binocular flatness cues.

-Jim C.

-------------------------------------
Jim Crowell, Ph.D.
Dept. of Psychology
Cognitive/Experimental Group
Townshend Hall
1885 Neil Ave. Mall
Ohio State University
Columbus, OH 43210
mailto:crowell@xxxxxxxxxxxxxxxxx
mailto:crowell@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
mailto:crowell.20@xxxxxxx
http://vision-lab.psy.ohio-state.edu/crowell/