1/28/2004   slide 7
Random Dot Stereograms
•In a RDS, a repeating pattern is used to make it easier to mistake one element of the picture for another when viewed with crossed eyes
•The pattern is slightly altered and your (crossed) eyes think they have converged on the same element—when in fact it is two different ones.
•Effect can happen with repeating wallpapers sometimes
Floating donut
Full explanation for mechanism for human binocular vision still unknown!