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Spherical harmonic transform with GPUs
 INRIA, Oct 2010, no RR7409, http://hal.inria.fr/inria00522937/en
"... We describe an algorithm for computing an inverse spherical harmonic transform suitable for graphic processing units (GPU). We use CUDA and base our implementation on a Fortran90 routine included in a publicly available parallel package, s2hat. We focus our attention on the two major sequential step ..."
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Cited by 2 (1 self)
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We describe an algorithm for computing an inverse spherical harmonic transform suitable for graphic processing units (GPU). We use CUDA and base our implementation on a Fortran90 routine included in a publicly available parallel package, s2hat. We focus our attention on the two major sequential
Spherical Harmonic Transform Algorithms
"... A collection of MATLAB classes for computing and using spherical harmonic transforms is presented. Methods of these classes compute differential operators on the sphere and are used to solve simple partial differential equations in a spherical geometry. The spectral synthesis and analysis algorithms ..."
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Cited by 1 (0 self)
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A collection of MATLAB classes for computing and using spherical harmonic transforms is presented. Methods of these classes compute differential operators on the sphere and are used to solve simple partial differential equations in a spherical geometry. The spectral synthesis and analysis
Direct spherical harmonic transform of a triangulated mesh
 Journal of graphics tools
"... Spherical harmonic transform plays an important role in research in shape description. Current computation methods involve expensive voxelization, and are prone to numerical errors associated with the size of the voxels. This paper describes a fast and accurate technique for computing spherical harm ..."
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Cited by 9 (3 self)
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Spherical harmonic transform plays an important role in research in shape description. Current computation methods involve expensive voxelization, and are prone to numerical errors associated with the size of the voxels. This paper describes a fast and accurate technique for computing spherical
Algorithm 888: Spherical Harmonic Transform Algorithms
"... A collection of MATLAB classes for computing and using spherical harmonic transforms is presented. Methods of these classes compute differential operators on the sphere and are used to solve simple partial differential equations in a spherical geometry. The spectral synthesis and analysis algorithms ..."
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Cited by 5 (0 self)
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A collection of MATLAB classes for computing and using spherical harmonic transforms is presented. Methods of these classes compute differential operators on the sphere and are used to solve simple partial differential equations in a spherical geometry. The spectral synthesis and analysis
Discrete Spherical Harmonic Transforms: Numerical Preconditioning and Optimization
 Computational Science  ICCS 2008, Part II, edited by M. Bubak, G.D. van Albada, J.J. Dongarra and P.M.A. Sloot. Lecture Notes in Computer Science, Vol.5102:638645
, 2008
"... Discrete Spherical Harmonic Transforms (SHTs) are commonly defined for equiangular grids on the sphere. However, when global array data exhibit near equidistributed patterns rather than equiangular grids, discrete SHTs require appropriate adaptations for analysis and synthesis. Computational efficie ..."
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Cited by 1 (1 self)
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Discrete Spherical Harmonic Transforms (SHTs) are commonly defined for equiangular grids on the sphere. However, when global array data exhibit near equidistributed patterns rather than equiangular grids, discrete SHTs require appropriate adaptations for analysis and synthesis. Computational
Spherical Harmonic Transforms Using Quadratures and Least Squares
"... www.ucalgary.ca/~blais Abstract. Spherical Harmonic Transforms (SHTs) which are essentially Fourier transforms on the sphere are critical in global geopotential and related applications. For analysis purposes, discrete SHTs are difficult to formulate for an optimal discretization of the sphere, espe ..."
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www.ucalgary.ca/~blais Abstract. Spherical Harmonic Transforms (SHTs) which are essentially Fourier transforms on the sphere are critical in global geopotential and related applications. For analysis purposes, discrete SHTs are difficult to formulate for an optimal discretization of the sphere
Libpsht algorithms for efficient spherical harmonic transforms. Astron
 Astrophys. 526, A108. URL: http:// adsabs.harvard.edu/abs/2011A%26A...526A.108R, doi:10.1051
, 2011
"... Libpsht (or “library for performant spherical harmonic transforms”) is a collection of algorithms for efficient conversion between spatialdomain and spectraldomain representations of data defined on the sphere. The package supports both transforms of scalars and spin1 and spin2 quantities, and c ..."
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Cited by 3 (0 self)
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Libpsht (or “library for performant spherical harmonic transforms”) is a collection of algorithms for efficient conversion between spatialdomain and spectraldomain representations of data defined on the sphere. The package supports both transforms of scalars and spin1 and spin2 quantities
Fast spin ±2 spherical harmonics transforms and application in cosmology
, 2007
"... A fast and exact algorithm is developed for the spin ±2 spherical harmonics transforms on equiangular pixelizations on the sphere. It is based on the Driscoll and Healy fast scalar spherical harmonics transform. The theoretical exactness of the transform relies on a sampling theorem. The associated ..."
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A fast and exact algorithm is developed for the spin ±2 spherical harmonics transforms on equiangular pixelizations on the sphere. It is based on the Driscoll and Healy fast scalar spherical harmonics transform. The theoretical exactness of the transform relies on a sampling theorem
Results 1  10
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