• Thumbnail for Wavelet
    Wavelets are termed a "brief oscillation". A taxonomy of wavelets has been established, based on the number and direction of its pulses. Wavelets are...
    53 KB (7,268 words) - 20:17, 1 December 2024
  • Thumbnail for Wavelet transform
    wavelet series is a representation of a square-integrable (real- or complex-valued) function by a certain orthonormal series generated by a wavelet....
    28 KB (3,943 words) - 00:55, 6 December 2024
  • Thumbnail for Discrete wavelet transform
    analysis, a discrete wavelet transform (DWT) is any wavelet transform for which the wavelets are discretely sampled. As with other wavelet transforms, a key...
    37 KB (5,257 words) - 09:08, 12 October 2024
  • Thumbnail for Haar wavelet
    mathematics, the Haar wavelet is a sequence of rescaled "square-shaped" functions which together form a wavelet family or basis. Wavelet analysis is similar...
    27 KB (4,523 words) - 18:28, 14 December 2024
  • Thumbnail for Daubechies wavelet
    The Daubechies wavelets, based on the work of Ingrid Daubechies, are a family of orthogonal wavelets defining a discrete wavelet transform and characterized...
    23 KB (2,826 words) - 01:16, 16 December 2024
  • Thumbnail for Morlet wavelet
    Morlet wavelet (or Gabor wavelet) is a wavelet composed of a complex exponential (carrier) multiplied by a Gaussian window (envelope). This wavelet is closely...
    14 KB (1,829 words) - 04:48, 16 May 2024
  • wavelet Shannon wavelet Meyer wavelet Difference of Gaussians Hermitian wavelet Beta wavelet Causal wavelet μ wavelets Cauchy wavelet Addison wavelet...
    2 KB (169 words) - 03:37, 12 November 2024
  • Thumbnail for Continuous wavelet transform
    In mathematics, the continuous wavelet transform (CWT) is a formal (i.e., non-numerical) tool that provides an overcomplete representation of a signal...
    11 KB (1,446 words) - 06:36, 19 July 2024
  • Thumbnail for Ricker wavelet
    In mathematics and numerical analysis, the Ricker wavelet, Mexican hat wavelet, or Marr wavelet (for David Marr) ψ ( t ) = 2 3 σ π 1 / 4 ( 1 − ( t σ )...
    3 KB (417 words) - 07:13, 19 October 2024
  • Thumbnail for Wavelet Tree
    The Wavelet Tree is a succinct data structure to store strings in compressed space. It generalizes the r a n k q {\displaystyle \mathbf {rank} _{q}} and...
    5 KB (681 words) - 13:09, 9 August 2023
  • analysis, compactly supported wavelets derived from Legendre polynomials are termed Legendre wavelets or spherical harmonic wavelets. Legendre functions have...
    9 KB (1,206 words) - 20:03, 31 January 2022
  • Thumbnail for Spline wavelet
    mathematical theory of wavelets, a spline wavelet is a wavelet constructed using a spline function. There are different types of spline wavelets. The interpolatory...
    33 KB (7,879 words) - 12:12, 14 August 2023
  • In mathematics, Cauchy wavelets are a family of continuous wavelets, used in the continuous wavelet transform. The Cauchy wavelet of order p {\displaystyle...
    9 KB (1,707 words) - 07:27, 19 November 2024
  • the complex Mexican hat wavelet is a low-oscillation, complex-valued, wavelet for the continuous wavelet transform. This wavelet is formulated in terms...
    2 KB (271 words) - 04:01, 3 December 2021
  • orthogonal wavelet is a wavelet whose associated wavelet transform is orthogonal. That is, the inverse wavelet transform is the adjoint of the wavelet transform...
    4 KB (729 words) - 19:03, 20 October 2022
  • Biorthogonal wavelet is a wavelet where the associated wavelet transform is invertible but not necessarily orthogonal. Designing biorthogonal wavelets allows...
    1 KB (219 words) - 03:23, 16 January 2024
  • Wavelet noise is an alternative to Perlin noise which reduces the problems of aliasing and detail loss that are encountered when Perlin noise is summed...
    1 KB (138 words) - 18:13, 22 April 2024
  • Thumbnail for Huygens–Fresnel principle
    of spherical wavelets, and the secondary wavelets emanating from different points mutually interfere. The sum of these spherical wavelets forms a new wavefront...
    24 KB (3,052 words) - 06:29, 25 July 2024
  • the Shannon wavelet (or sinc wavelets) is a decomposition that is defined by signal analysis by ideal bandpass filters. Shannon wavelet may be either...
    6 KB (1,205 words) - 00:12, 24 February 2024
  • Gabor wavelets are wavelets invented by Dennis Gabor using complex functions constructed to serve as a basis for Fourier transforms in information theory...
    6 KB (861 words) - 22:22, 18 June 2024
  • Thumbnail for JPEG 2000
    JPEG 2000 (category Wavelets)
    is based on a discrete cosine transform (DCT), with a newly designed, wavelet-based method. The standardized filename extension is .jp2 for ISO/IEC 15444-1...
    62 KB (5,635 words) - 08:13, 15 December 2024
  • analysis, a discrete wavelet transform is any wavelet transform for which the wavelets are discretely sampled. As with other wavelet transforms, a key advantage...
    27 KB (2,990 words) - 13:46, 8 December 2024
  • region of the window. Wavelet transforms, in particular the continuous wavelet transform, expand the signal in terms of wavelet functions which are localised...
    7 KB (925 words) - 07:41, 28 June 2024
  • Thumbnail for Meyer wavelet
    The Meyer wavelet is an orthogonal wavelet proposed by Yves Meyer. As a type of a continuous wavelet, it has been applied in a number of cases, such as...
    5 KB (886 words) - 19:39, 25 November 2024
  • ECW (Enhanced Compression Wavelet) is a proprietary wavelet compression image format used for aerial photography and satellite imagery. It was developed...
    6 KB (571 words) - 06:31, 8 October 2023
  • Wavelet modulation, also known as fractal modulation, is a modulation technique that makes use of wavelet transformations to represent the data being...
    975 bytes (98 words) - 14:33, 9 May 2024
  • stationary wavelet transform (SWT) is a wavelet transform algorithm designed to overcome the lack of translation-invariance of the discrete wavelet transform...
    11 KB (1,653 words) - 05:04, 31 July 2024
  • Hermitian wavelets are a family of discrete and continuous wavelets used in the constant and discrete Hermite wavelet transforms. The n th {\displaystyle...
    4 KB (658 words) - 01:50, 3 September 2024
  • known to be an orthonormal wavelet, Strömberg wavelet was the first smooth orthonormal wavelet to be discovered. The term wavelet had not been coined at the...
    6 KB (889 words) - 15:04, 23 November 2023
  • Thumbnail for Stéphane Mallat
    construction for compactly supported wavelets. His MRA wavelet construction made the implementation of wavelets practical for engineering applications...
    5 KB (379 words) - 08:50, 21 November 2024