wavelet$91289$ - définition. Qu'est-ce que wavelet$91289$
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Qu'est-ce (qui) est wavelet$91289$ - définition

MATHEMATICAL TECHNIQUE USED IN DATA COMPRESSION AND ANALYSIS
Wavelet compression; Orthonormal wavelet; Integral wavelet transform; Wavlet transform; Wavelet coefficient; Wavlet series; Wavelet transforms; Wavelet series; Wavelet Transform; Wavelet transformation
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  • An example of the 2D [[discrete wavelet transform]] that is used in [[JPEG2000]].
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Morlet wavelet         
  • Real-valued Morlet wavelet
  • Complex-valued Morlet wavelet
Morlet wavelet transform
In mathematics, the Morlet wavelet (or Gabor wavelet)A Real-Time Gabor Primal Sketch for Visual Attention "The Gabor kernel satisfies the admissibility condition for wavelets, thus being suited for multi-resolution analysis. Apart from a scale factor, it is also known as the Morlet Wavelet.
Wavelet transform         
In mathematics, a wavelet series is a representation of a square-integrable (real- or complex-valued) function by a certain orthonormal series generated by a wavelet. This article provides a formal, mathematical definition of an orthonormal wavelet and of the integral wavelet transform.
Wavelet         
  • Mexican hat]]
  • Meyer]]
  • Morlet]]
  • STFT time-frequency atoms (left) and DWT time-scale atoms (right). The time-frequency atoms are four different basis functions used for the STFT (i.e. '''four separate Fourier transforms required'''). The time-scale atoms of the DWT achieve small temporal widths for high frequencies and good temporal widths for low frequencies with a '''single''' transform basis set.
  • Signal denoising by wavelet transform thresholding
FUNCTION FOR INTEGRAL FOURIER-LIKE TRANSFORM
Wavelets; Wavelet analysis; Father wavelets; Mother wavelet; History of wavelets; List of wavelets
A wavelet is a wave-like oscillation with an amplitude that begins at zero, increases or decreases, and then returns to zero one or more times. Wavelets are termed a "brief oscillation".

Wikipédia

Wavelet transform

In mathematics, a wavelet series is a representation of a square-integrable (real- or complex-valued) function by a certain orthonormal series generated by a wavelet. This article provides a formal, mathematical definition of an orthonormal wavelet and of the integral wavelet transform.