IEVref:723-10-79ID:
Language:enStatus: Standard
Term: contour distortion
Synonym1: contouring (deprecated)
[Preferred]
Synonym2: posterization
[Preferred]
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Definition: an effect occurring in digital television images resulting from the use of an insufficient number of quantizing intervals to convey the original analogue signal

NOTE 1 – In English, the term "contour distortion" is used when this effect is unwanted, and the term "posterization" is used when this effect is used to provide special effects.

NOTE 2 – In French, the term "distorsion de contour" is used only when the effect is unwanted.


Publication date:1997-03
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