a formal, mathematical definition of an orthonormal wavelet and of the integral wavelet transform. A function ψ ∈ L 2 ( R ) {\displaystyle \psi \,\in...
27 KB (3,836 words) - 08:01, 19 June 2025
The complex wavelet transform (CWT) is a complex-valued extension to the standard discrete wavelet transform (DWT). It is a two-dimensional wavelet transform...
7 KB (729 words) - 15:27, 24 May 2025
a discrete wavelet transform (DWT) is any wavelet transform for which the wavelets are discretely sampled. As with other wavelet transforms, a key advantage...
36 KB (5,217 words) - 22:04, 25 May 2025
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 (1,398 words) - 12:07, 24 June 2025
Spline wavelet Strömberg wavelet Complex Mexican hat wavelet fbsp wavelet Morlet wavelet Shannon wavelet Modified Morlet wavelet Chirplet transform Curvelet...
52 KB (7,062 words) - 16:00, 28 June 2025
c_{x}} is the complex wavelet transform of the signal x {\displaystyle x} and c y {\displaystyle c_{y}} is the complex wavelet transform for the signal...
26 KB (3,582 words) - 03:57, 6 April 2025
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 (1,858 words) - 21:43, 23 May 2025
mathematics of signal processing, the harmonic wavelet transform, introduced by David Edward Newland in 1993, is a wavelet-based linear transformation of a given...
5 KB (1,086 words) - 08:42, 7 August 2022
In numerical analysis, continuous wavelets are functions used by the continuous wavelet transform. These functions are defined as analytical expressions...
2 KB (169 words) - 03:37, 12 November 2024
(BQMF) Fast wavelet transform (FWT) Complex wavelet transform Non or undecimated wavelet transform, the downsampling is omitted Newland transform, an orthonormal...
2 KB (170 words) - 12:22, 5 April 2022
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 (2,825 words) - 20:22, 24 May 2025
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...
7 KB (1,314 words) - 07:52, 6 April 2025
of wavelet transform called Complex wavelet transform (CWT) was developed. Similar to the 1-D complex wavelet transform, tensor products of complex wavelets...
13 KB (1,785 words) - 06:29, 10 November 2024
"Fast approximate Fourier transform via wavelets transform". In Unser, Michael A.; Aldroubi, Akram; Laine, Andrew F. (eds.). Wavelet Applications in Signal...
67 KB (7,809 words) - 05:39, 1 July 2025
(SB-TS), also called wavelet packet decomposition (WPD; sometimes known as just wavelet packets or subband tree), is a wavelet transform where the discrete-time...
12 KB (1,273 words) - 02:15, 24 June 2025
wire tag, an animal tagging device Complex wavelet transform, an extension to the standard discrete wavelet transform used in image processing Constant...
2 KB (247 words) - 04:24, 5 July 2025
mathematics, the complex Mexican hat wavelet is a low-oscillation, complex-valued, wavelet for the continuous wavelet transform. This wavelet is formulated...
2 KB (271 words) - 04:01, 3 December 2021
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 (4,518 words) - 10:00, 1 July 2025
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 (857 words) - 07:19, 11 June 2025
function. The output of the transform is a complex-valued function of frequency. The term Fourier transform refers to both this complex-valued function and the...
177 KB (21,313 words) - 19:14, 8 July 2025
Fourier transform and very closely related to the complex Morlet wavelet transform. Its design is suited for musical representation. The transform can be...
13 KB (1,680 words) - 05:11, 24 June 2025
transforms: Cone-shape distribution function Constant-Q transform Fractional Fourier transform Gabor transform Newland transform S transform Wavelet transform...
22 KB (4,055 words) - 09:25, 3 March 2025
The wavelet transform modulus maxima (WTMM) is a method for detecting the fractal dimension of a signal. More than this, the WTMM is capable of partitioning...
6 KB (817 words) - 05:20, 31 July 2024
Time–frequency representation (redirect from Time–frequency transform)
wavelet transform, expand the signal in terms of wavelet functions which are localised in both time and frequency. Thus the wavelet transform of a signal...
7 KB (928 words) - 09:37, 3 April 2025
sequence of equally-spaced samples of the discrete-time Fourier transform (DTFT), which is a complex-valued function of frequency. The interval at which the DTFT...
76 KB (12,338 words) - 20:01, 27 June 2025
Multiresolution Fourier Transform is an integral fourier transform that represents a specific wavelet-like transform with a fully scalable modulated window...
6 KB (1,054 words) - 23:14, 4 August 2023
is a generalization of the short-time Fourier transform (STFT), extending the continuous wavelet transform and overcoming some of its disadvantages. For...
13 KB (1,865 words) - 08:28, 21 February 2025
different wavelets are known by the name Poisson wavelet. In one context, the term "Poisson wavelet" is used to denote a family of wavelets labeled by...
9 KB (1,541 words) - 05:53, 29 May 2024
further details. Gabor filter Gabor wavelet Gabor atom Time-frequency representation S transform Short-time Fourier transform Wigner distribution function E...
10 KB (1,518 words) - 01:12, 2 July 2025
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 (1,705 words) - 15:51, 16 March 2025