242 search results - page 17 / 49 » Optimized Fast Algorithms for the Quaternionic Fourier Trans... |
ISBI
2004
IEEE
14 years 9 months ago
2004
IEEE
Fourier-based forward and back-projection methods have the potential to reduce computation demands in iterative tomographic image reconstruction. Interpolation errors are a limita...
CVPR
2008
IEEE
14 years 10 months ago
2008
IEEE
Compressed sensing, an emerging multidisciplinary field involving mathematics, probability, optimization, and signal processing, focuses on reconstructing an unknown signal from a...
JCPHY
2011
12 years 11 months ago
2011
This paper is concerned with the fast solution of high frequency electromagnetic scattering problems using the boundary integral formulation. We extend the O(N log N) directional ...
ICIP
2006
IEEE
14 years 10 months ago
2006
IEEE
For the non-local denoising approach presented by Buades et al., remarkable denoising results are obtained at high expense of computational cost. In this paper, a new algorithm th...
ASAP
2009
IEEE
14 years 3 months ago
2009
IEEE
—The Spectral Hash algorithm is one of the Round 1 candidates for the SHA-3 family, and is based on spectral arithmetic over a finite field, involving multidimensional discrete...