Results 241 to 250 of about 29,522 (302)

Path integration in complex number space. [PDF]

open access: yesProc Natl Acad Sci U S A
Craddock P, Miossec Y, Bouchekioua Y.
europepmc   +1 more source

A practical introduction to wavelet analysis in electroretinography. [PDF]

open access: yesDoc Ophthalmol
Shwetar YJ   +5 more
europepmc   +1 more source

Detecting clinically relevant EEG anomalies using discrete wavelet transforms

open access: yes, 2005
Jahankhani, P.   +2 more
core  

On the discrete Gabor transform and the discrete Zak transform

Signal Processing, 1996
Gabor's expansion of a discrete-time signal into a set of shifted and modulated versions of an elementary signal (or synthesis window) and the inverse operation -- the Gabor transform -- with which Gabor's expansion coefficients can be determined, are introduced.
Martin J. Bastiaans, Marc C. W. Geilen
openaire   +1 more source

Discrete Cosine Transform

IEEE Transactions on Computers, 1974
A discrete cosine transform (DCT) is defined and an algorithm to compute it using the fast Fourier transform is developed. It is shown that the discrete cosine transform can be used in the area of digital processing for the purposes of pattern recognition and Wiener filtering.
Nasir Ahmed 0001   +2 more
openaire   +2 more sources

Discrete Gabor transform

IEEE Transactions on Signal Processing, 1993
A feasible algorithm for implementing the Gabor expansion, the coefficients of which are computed by the discrete Gabor transform (DGT), is presented. For a given synthesis window and sampling pattern, computing the auxiliary biorthogonal function of the DGT is nothing more than solving a linear system. The DGT presented applies for both finite as well
Shie Qian, Dapang Chen
openaire   +2 more sources

Convolution Using Discrete Sine and Cosine Transforms

open access: yesIEEE Signal Processing Letters, 2007
In this paper, we derive a relation for the circular convolution operation in the discrete sine and cosine transform domains. The transform coefficients are either symmetric or asymmetric and hence we need to calculate only half of the total coefficients.
V G Reju, Soo Ngee Koh, Yann Soon
exaly   +2 more sources

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