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: Because our eyes are separated horizontally by about

across the image, pixel by pixel, a smooth gradient of virtual depth is rendered. 4. Algorithmic Steps to Create an Autostereogram MAGICEYE

: This group commercialized Tyler's algorithm under the trademark "Magic Eye," launching a global pop-culture phenomenon. 3. The Mathematics of 3D Perception : Because our eyes are separated horizontally by

is the commercial brand name that popularized single-image random-dot autostereograms (SIRDS) in the 1990s. These optical illusions allow viewers to perceive hidden three-dimensional scenes within a repeating two-dimensional pattern without the need for specialized 3D glasses. This paper explores the fascinating intersection of human neurobiology, binocular vision, and computer science that makes these illusions possible. We detail the history of stereopsis research, break down the physical geometry behind the viewing techniques, and present the algorithmic steps required to generate an original autostereogram. 1. Introduction to Stereopsis This paper explores the fascinating intersection of human