Holographic Effect
The term "holographic effect" refers to the use of holograms to create a special effect. While once primarily discussed in science-fiction settings, holographic effects can be generated from publicly-accessible select computer programs.
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Holography
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Holography, or lensless photography, is a specialized technique that produces three-dimensional images. Through the use of lasers, it records light-wave patterns onto light-sensitive film, according to the website Holophile. When developed film is again exposed to lasers, it recreates the points of light from the original object--thus producing a three-dimensional image.
Features
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Holograms used to create holographic effects contain more information than conventional images, according to Georgia State University. They are genuine three-dimensional images with parallax (changing appearances depending on the angle), just like a three-dimensional object. With proper projection, holograms can resemble objects suspended in mid-air.
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Movies and Holographic Effects
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True holograms are not used in movies, as of 2010. The movie "Avatar," released in 2009, uses some of the most advanced cinematic technology of its time, but its three-dimensional effects are created using computer-generated images.
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