Results 161 to 170 of about 77,620 (219)

WEIGHTED HAAR WAVELETS ON THE SPHERE

open access: yesInternational Journal of Wavelets, Multiresolution and Information Processing, 2007
Starting from the one-dimensional Haar wavelets on the interval [0,1], we construct spherical Haar wavelets which are orthogonal with respect to a given scalar product. This scalar product induces a norm which is equivalent to the usual ‖ · ‖2norm of L2(𝕊2).
Rosca, Daniela-Dorina
openaire   +2 more sources

Haar Wavelets in Data Analysis

open access: yesAdvanced Materials Research, 2010
One century ago (1910), the Hungarian mathematician Alfred Haar introduced the simplest wavelets in approximation theory, which are now known as the Haar wavelets. This type of wavelets can effectively be used to fit data in statistical applications.
Yu Qin Sun   +2 more
openaire   +2 more sources

Crystallographic Haar Wavelets

Journal of Fourier Analysis and Applications, 2011
Let \(\Gamma\) be a \(d\)-dimensional crystallographic group and let \(a:\,{\mathbb R}^d \to {\mathbb R}^d\) be an expanding affine map. By definition, \((\Gamma,a)\)-crystallographic multiwavelets form a finite set of functions \(\{\psi^1,\ldots, \psi^L\}\), which generate an orthonormal basis, a Riesz basis or a Parseval frame for \(L^1({\mathbb R}^d)
González, Alfredo L.   +1 more
openaire   +2 more sources

Non-uniform Haar wavelets

Applied Mathematics and Computation, 2004
The authors give a detailed description of the Haar wavelet transform associated with non-uniform partitions of the real line. Algorithms for decomposition and reconstruction are studied.
François Dubeau   +2 more
openaire   +2 more sources

Haar Wavelet Splines

Journal of Interdisciplinary Mathematics, 2001
Abstract In this paper is discussed the numerical approximation of differential operators using Haar wavelet bases and their spline-derivatives. It is shown how to smooth the Haar family of wavelets using splines, and to compute the derivatives of the Haar function using the splines.
openaire   +3 more sources

Wavelets in Generalized Haar Spaces

Journal of Mathematical Sciences, 2020
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +2 more sources

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