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Definition: computer-generated imagery

The images and animations created with computer software for cartoons, video games, movies and commercials. The special effects in today's movies, which mix real actors with aliens and monsters, are mostly generated in the computer. There is no limit to the fantasy world that can be created with computer-generated imagery (CGI) techniques. To learn the basics of computer images, see graphics. See 3D graphics and 3D visualization. Contrast with stop-motion animation.