Whitening
Encyclopedia
Whitening may refer to:
Whitener may also refer to:
- Key whiteningKey whiteningIn cryptography, key whitening is a technique intended to increase the security of an iterated block cipher. It consists of steps that combine the data with portions of the key before the first round and after the last round of encryption.The first block cipher to use a form of key whitening is...
, a technique intended to increase the security of an iterated block cipher - Racial whiteningRacial whiteningRacial Whitening or "Whitening" is an ideology that was widely accepted in Brazil between 1889 and 1914, as the solution to the "Negro problem." Supporters of the Whitening ideology believed that the Negro race would advance culturally and genetically, or even disappear totally, within several...
, a theory of race - Skin whiteningSkin whiteningSkin whitening, skin lightening and skin bleaching refers to the practice of using chemical substances in an attempt to lighten skin tone or provide an even skin complexion by lessening the concentration of melanin...
, a cosmetic procedure used to whiten the skin - Tooth whitening, a common procedure in general dentistry
- Whitening (leather processing), the process of lightening the colour of leather
- Whitening transformationWhitening transformationThe whitening transformation is a decorrelation method that converts the covariance matrix S of a set of samples into the identity matrix I. This effectively creates new random variables that are uncorrelated and have the same variances as the original random variables...
, a decorrelation method that converts a covariance matrix of a set of samples into an identity matrix.
Whitener may also refer to:
- Coffee whitener, a non-dairy additive product for hot drinks
- Optical brightenerOptical brightenerOptical brighteners, optical brightening agents , fluorescent brightening agents or fluorescent whitening agents are dyes that absorb light in the ultraviolet and violet region of the electromagnetic spectrum, and re-emit light in the blue region...
, a fluorescent ingredient in products such as laundry detergents - Basil Lee WhitenerBasil Lee WhitenerBasil Lee Whitener was a Democratic U.S. Representative from North Carolina between 1957 and 1968.Whitener was born in York County, South Carolina on May 14, 1915, and was educated in the public schools of Gaston County, North Carolina...
, a Democratic U.S. Representative from North Carolina between 1957 and 1968.