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
analysis, a discrete wavelet transform (DWT) is any wavelet transform for which the wavelets are discretely sampled. As with other wavelet transforms, a key...
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Göttingen. His doctorate was supervised by David Hilbert. The Haar measure, Haar wavelet, and Haar transform are named in his honor. Between 1912 and 1919 he...
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biorthogonal wavelets) Daubechies wavelet (2, 4, 6, 8, 10, 12, 14, 16, 18, 20, etc.) Binomial QMF (Also referred to as Daubechies wavelet) Haar wavelet Mathieu...
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Dual wavelet ECW, a wavelet-based geospatial image format designed for speed and processing efficiency Gabor wavelet Haar wavelet JPEG 2000, a wavelet-based...
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organisational psychology academic De Haar (disambiguation) Haar wavelet, the first wavelet Haar measure, a set-theoretic measure Haar-like feature, a technique in...
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precomputed integral image. Its feature descriptor is based on the sum of the Haar wavelet response around the point of interest. These can also be computed with...
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Haar-like features are digital image features used in object recognition. They owe their name to their intuitive similarity with Haar wavelets and were...
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The Daubechies wavelets, based on the work of Ingrid Daubechies, are a family of orthogonal wavelets defining a discrete wavelet transform and characterized...
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localization. These characteristics are in stark contrast to those of the Haar wavelet. The Haar and sinc systems are Fourier duals of each other. Sinc function...
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obtains the orthogonal Haar wavelet. For A = 2 one obtains in this way the LeGall 5/3-wavelet: For A = 4 one obtains the 9/7-CDF-wavelet. One gets Q 4 ( X...
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(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...
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more aggressively, resulting in shorter programs and fewer bugs. The 1D Haar wavelet transform of an integer-power-of-two-length list of numbers can be implemented...
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Quadrature mirror filter (category Wavelets)
and low-pass filters is equal to 1. Orthogonal wavelets – the Haar wavelets and related Daubechies wavelets, Coiflets, and some developed by Mallat, are...
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derivative. These new wavelets have just one cycle, so they are termed unicycle wavelets. They can be viewed as a soft variety of Haar wavelets whose shape is...
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Strömberg wavelet is a certain orthonormal wavelet discovered by Jan-Olov Strömberg and presented in a paper published in 1983. Even though the Haar wavelet was...
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mathematical theory of wavelets, a spline wavelet is a wavelet constructed using a spline function. There are different types of spline wavelets. The interpolatory...
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against generalized Haar wavelets, PCA-SIFT descriptors, and shape context descriptors. Generalized Haar wavelets are oriented Haar wavelets, and were used...
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worst case behavior for the Haar wavelet packet analysis. In other words, noiselets are totally incompressible by the Haar wavelet packet analysis. Like the...
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and commonly used image transforms (e.g., the Fourier, Hadamard, and Haar wavelet transforms) can be expressed in the form G = P F Q {\displaystyle G=PFQ}...
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analysis, compactly supported wavelets derived from Legendre polynomials are termed Legendre wavelets or spherical harmonic wavelets. Legendre functions have...
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and a distribution-based descriptor). It describes a distribution of Haar wavelet responses within the interest point neighborhood. Integral images are...
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is a multiscale model of the data, similar to a discrete wavelet transform with Haar wavelets, though it starts from an 8×8 block, and downsamples the...
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List of functional analysis topics (section Wavelets)
wavelet Haar wavelet Morlet wavelet Mexican hat wavelet Complex Mexican hat wavelet Hermitian wavelet Discrete wavelet transform Continuous wavelet Continuous...
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JPEG, and to the discrete wavelet transform using 1 × 2, 2 × 1, or (for the Paeth predictor) 2 × 2 windows and Haar wavelets. Compression is further improved...
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(Hadamard matrix). Wikimedia Commons has media related to Walsh matrix. Haar wavelet Quincunx matrix Hadamard transform Code-division multiple access OEIS: A228539...
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Markushevich basis Generalized Fourier series Orthogonal polynomials Haar wavelet Banach space see Schauder (1927). Schauder, Juliusz (1928). "Eine Eigenschaft...
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orthogonality of both radial and angular parts. Walsh functions and Haar wavelets are examples of orthogonal functions with discrete ranges. Legendre...
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Digital signal processing (section Wavelet)
analysis, a discrete wavelet transform is any wavelet transform for which the wavelets are discretely sampled. As with other wavelet transforms, a key advantage...
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different image transformations than SIFT Based on sums of approximated 2D Haar wavelet responses and made efficient use of integral images. Bay et al. (2008)...
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