Single Image Random Dot Stereogram
Synonyms
rastergram
SIRDS
(SIRDS, originally "autostereogram") A stereogram composed of (coloured) dots which when viewed correctly appears three-dimensional. SIRDs were invented by Dr. Christoper Tyler, Associate Director of the Smith-Kettlewell Eye Research Institute in San Francisco (1999).
FAQ. Nice pictures. Picture Gallery. Vern Hart's SIRDS Gallery. SGI Gallery.