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Wavelet — A wavelet is a mathematical function used to divide a given function or continuous time signal into different frequency components and study each component with a resolution that matches its scale. A wavelet transform is the representation of a… … Wikipedia
Wavelet Scalar Quantization — The Wavelet Scalar Quantization algorithm (WSQ) is a compression algorithm used for gray scale fingerprint images. It is based on wavelet theory and has become a standard for the exchange and storage of fingerprint images. WSQ was developed by… … Wikipedia
Legendre wavelet — Legendre wavelets: spherical harmonic wavelets = Compactly supported wavelets derived from Legendre polynomials are termed spherical harmonic or Legendre wavelets [1] . Legendre functions have widespread applications in which spherical coordinate … Wikipedia
Mathieu wavelet — Contents 1 Elliptic cylinder wavelets 2 Mathieu differential equations 3 Mathieu functions: cosine elliptic and sine elliptic functions 4 … Wikipedia
Fast wavelet transform — The Fast Wavelet Transform is a mathematical algorithm designed to turn a waveform or signal in the time domain into a sequence of coefficients based on an orthogonal basis of small finite waves, or wavelets. The transform can be easily extended… … Wikipedia
Second generation wavelet transform — In signal processing, the second generation wavelet transform (SGWT) is a wavelet transform where the filters (or even the represented wavelets) are not designed explicitly, but the transform consists of the application of the Lifting… … Wikipedia
Coorbit theory — In mathematics, coorbit theory was developed by Hans Georg Feichtinger and Karlheinz Gröchenig around 1990.[1][2][3] It provides theory for atomic decomposition of a range of Banach spaces of distributions. Among others the well established… … Wikipedia
Information theory — Not to be confused with Information science. Information theory is a branch of applied mathematics and electrical engineering involving the quantification of information. Information theory was developed by Claude E. Shannon to find fundamental… … Wikipedia
Opponent-process theory — For its application to color theory, see Opponent process. Opponent process theory is a universal psychological and neurological model proposed by Ewald Hering to account for a wide range of behaviors including color vision; this model was… … Wikipedia
Density wave theory — Image of spiral galaxy M81 combining data from the Hubble, Spitzer, and GALEX space telescopes. Density wave theory or the Lin Shu density wave theory is a theory proposed by C.C. Lin and Frank Shu in the mid 1960s to explain spiral arm structure … Wikipedia
Compression Wavelet — Compression par ondelettes La Compression par ondelettes est une technologie de compression de données, bien adaptée à la compression images. Sommaire 1 Introduction aux ondelettes 2 Algorithme ondelettes 3 Transformée ondelettes … Wikipédia en Français
