242 search results - page 19 / 49 » Optimized Fast Algorithms for the Quaternionic Fourier Trans... |
JCP
2007
13 years 8 months ago
2007
— This work presents a mathematical framework for the development of efficient algorithms for cyclic convolution computations. The framework is based on the Chinese Reminder Theo...
PC
1998
13 years 8 months ago
1998
The Fast Fourier Transform (FFT) plays a key role in many areas of computational science and engineering. Although most one-dimensional FFT problems canbe entirely solvedentirely ...
ICASSP
2011
IEEE
13 years 14 days ago
2011
IEEE
The determination of the optimal fractional Fourier transform (FrFT) order is a crucial issue for FrFT. This paper introduces a novel algorithm is proposed for the estimation of F...
ICIP
2000
IEEE
14 years 10 months ago
2000
IEEE
This paper presents a method for the reconstruction of a regularlysampled image from its irregularly-spaced samples. Such reconstruction is often needed in image processing and co...
ICIP
1999
IEEE
14 years 1 months ago
1999
IEEE
by 0. In the discrete Fourier transform (DFT) domain, We propose a hybrid approach to wavelet-based image deconvolution that comprises Fourier-domain system inversion followed by w...