24
POPS3-D Viewing without Goofy Glasses As with earlier techniques, the illusion requires specially-created content to start with. In this case, a digital movie file effectively has two frames for each ordinary movie frame. The first is an ordinary color image, identical to what would be seen on a two-dimensional screen. A second frame, rather than showing a second offset view, encodes information about how viewers should perceive depth in the first frame. It appears as a grayscale version of the first, with white indicating foreground objects, black denoting deep background, and shades of gray indicating points in between.
5
POPSDynamic Optical illusions 3D and animation I thought I'd seen plenty of optical illusions, but some of these look really mind twisting. The way some move, and are coloured, can make you dizzy. I put in as many details as would fit, the lower explanations, are at the site. (A lot of the illusions don't need explaining.