décorrélation

  • 21Discrete cosine transform — A discrete cosine transform (DCT) expresses a sequence of finitely many data points in terms of a sum of cosine functions oscillating at different frequencies. DCTs are important to numerous applications in science and engineering, from lossy… …

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  • 22Rate–distortion theory — is a major branch of information theory which provides the theoretical foundations for lossy data compression; it addresses the problem of determining the minimal amount of entropy (or information) R that should be communicated over a channel, so …

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  • 23EVD — is a three letter acronym that may refer to:*Electronic Value Distribution:The means of distributing PINs and pre paid vouchers electronically. [http://www.namitech.com] *Enhanced Versatile Disc: an optical medium based digital audio/video format …

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  • 24Serge Vaudenay — (5 April 1968 ) is a well known French cryptographer.Serge Vaudenay entered the École Normale Supérieure in Paris as a normalien student in 1989. In 1992, he passed the agrégation in mathematics. He did his PhD at the computer science laboratory… …

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  • 25Bohm diffusion — is the diffusion of plasma across a magnetic field with a diffusion coefficient equal to:D {Bohm} = frac{1}{16},frac{k BT}{eB},where B is the magnetic field strength, T is the temperature, and e is the elementary charge.It was first observed in… …

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  • 26FELICS — FELICS, which stands for Fast Efficient Lossless Image Compression System, is a lossless image compression algorithm, that performs 5 times fasterthan the existing JPEG in the Lossless mode, and achieves similar performancein terms of the… …

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  • 27DFC (cipher) — This article is about the block cipher. For other uses, see DFC (disambiguation). DFC General Designers Jacques Stern, Serge Vaudenay, et al. First published 1998 Related to COCONUT98 Cipher detail …

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  • 28Randomness extractor — A randomness extractor is a function which, when applied to a high entropy source (such as radioactive decay, or thermal noise), generates a random output that is shorter, yet uniformly distributed. In other words, outputting a completely random… …

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  • 29.flac — Free Lossless Audio Codec Logo des Free Lossless Audio Codecs (FLAC) Basisdaten Entwickler: Xiph.Org Foundation Aktuell …

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  • 30FLAC — Free Lossless Audio Codec Logo des Free Lossless Audio Codecs (FLAC) Basisdaten Entwickler: Xiph.Org Foundation Aktuell …

    Deutsch Wikipedia