across the image, pixel by pixel, a smooth gradient of virtual depth is rendered. 4. Algorithmic Steps to Create an Autostereogram
When viewing a normal flat image, your eyes converge exactly on the paper at distance MAGICEYE
While traditional 3D media (like polarized cinema glasses) force the left and right eyes to see separate images, an autostereogram cleverly encodes both perspectives into a single repeating 2D image. 2. Historical Background across the image, pixel by pixel, a smooth
Dvirtual=D⋅IpdIpd−wcap D sub v i r t u a l end-sub equals the fraction with numerator cap D center dot cap I sub p d end-sub and denominator cap I sub p d end-sub minus w end-fraction Ipdcap I sub p d end-sub be the distance between the eyes and the physical paper
To understand how a viewer extracts a 3D image from a 2D plane, we can analyze the geometry of the human focal point. ELcap E sub cap L ERcap E sub cap R be the positions of the left and right eyes. be the distance between the eyes and the physical paper.