Locally supported rational spline wavelets on a sphere
D Roşca - Mathematics of computation, 2005 - ams.org
In this paper we construct certain continuous piecewise rational wavelets on arbitrary
spherical triangulations, giving explicit expressions of these wavelets. Our wavelets have …
spherical triangulations, giving explicit expressions of these wavelets. Our wavelets have …
Wavelet bases on the sphere obtained by radial projection
D Rosca - Journal of Fourier Analysis and Applications, 2007 - Springer
We present a method for constructing wavelet bases on the unit sphere S 2 of R 3, using the
radial projection and an inner product associated to a convex polyhedron having the origin …
radial projection and an inner product associated to a convex polyhedron having the origin …
An orthonormal basis of directional Haar wavelets on triangles
J Krommweh - Results in Mathematics, 2009 - Springer
In order to get an efficient representation of images which contain orientated edges we
construct a directional wavelet basis for L^ 2 (R^ 2). The wavelets basis consists of Haar …
construct a directional wavelet basis for L^ 2 (R^ 2). The wavelets basis consists of Haar …
Weighted Haar wavelets on the sphere
D ROŞCA - International journal of wavelets, multiresolution and …, 2007 - World Scientific
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 …
spherical Haar wavelets which are orthogonal with respect to a given scalar product. This …
Piecewise constant wavelets defined on closed surfaces.
D Roșca - Journal of Computational Analysis & Applications, 2006 - search.ebscohost.com
In a previous paper we constructed piecewise constant wavelets on spherical triangulations,
orthogonal with respect to a given inner product. In this paper we generalize this …
orthogonal with respect to a given inner product. In this paper we generalize this …
Piecewise constant wavelets on triangulations obtained by 1-3 splitting
D ROŞCA - International Journal of Wavelets, Multiresolution and …, 2008 - World Scientific
We construct piecewise constant wavelets on a bounded planar triangulation, the refinement
process consisting of dividing each triangle into three triangles having the same area. Thus …
process consisting of dividing each triangle into three triangles having the same area. Thus …
Generalized piecewise constant orthogonal wavelet bases on 2D-domains
Generalized piecewise constant orthogonal wavelet bases on 2D-domains Page 1 Applicable
Analysis Vol. 90, Nos. 3–4, March–April 2011, 715–723 Generalized piecewise constant …
Analysis Vol. 90, Nos. 3–4, March–April 2011, 715–723 Generalized piecewise constant …
[图书][B] Orthogonal and symmetric haar wavelets on the sphere
C Lessig - 2007 - Citeseer
The efficient representation of signals defined over spherical domains has many
applications. We derive a new spherical Haar wavelet basis (SOHO) that is both orthogonal …
applications. We derive a new spherical Haar wavelet basis (SOHO) that is both orthogonal …
Nonlinear approximation of images with Haar-like four-point orthogonal transforms
K FUJINOKI - … Conference on Wavelet Analysis and Pattern …, 2019 - ieeexplore.ieee.org
We study simple linear orthogonal transforms for images, which are real-valued, non-
overlapped, and fast transforms similar to the Haar wavelet transform. These transforms …
overlapped, and fast transforms similar to the Haar wavelet transform. These transforms …
[PDF][PDF] OPTIMAL HAAR WAVELET DECOMPOSITIONS ON SPHERICAL SOUND FIELDS
K Fujinoki - scholar.archive.org
To represent the sound field of a sphere, optimal parameter values for a set of spherical
Haar wavelets forming an orthogonal basis are investigated. The Haar wavelet basis is …
Haar wavelets forming an orthogonal basis are investigated. The Haar wavelet basis is …