Gamma correction

Gamma correction

Jesse Russell Ronald Cohn

     

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ISBN: 978-5-5087-6580-4

High Quality Content by WIKIPEDIA articles! Gamma correction, gamma nonlinearity, gamma encoding, or often simply gamma, is the name of a nonlinear operation used to code and decode luminance or tristimulus values in video or still image systems. Gamma correction is, in the simplest cases, defined by the following power-law expression:

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