Results 221 to 230 of about 33,815,075 (304)

FGA-Net: Fourier-guided attention network for feature enhancement in colorectal cancer digital pathology images. [PDF]

Front Physiol
Li L, Zhang Y, Wang K, Tai J, Chen L.
europepmc   +1 more source

Deep learning with fourier features for regressive flow field reconstruction from sparse sensor measurements. [PDF]

Sci Rep
Nguyen PCH, Choi JB, Luu QT.
europepmc   +1 more source

The dominance of large-scale phase dynamics in human cortex, from delta to gamma. [PDF]

Elife
Alexander DM, Dugué L.
europepmc   +1 more source

Energy-dissipative adaptive-step L1 discretisation for the Caputo time-fractional incompressible magnetohydrodynamic system. [PDF]

Sci Rep
Abidin MZ.
europepmc   +1 more source

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The use of fast Fourier transform for the estimation of power spectra: A method based on time averaging over short, modified periodograms

IEEE Transactions on Audio and Electroacoustics, 1967
P. Welch
exaly   +2 more sources

Stability of the Fourier Method

SIAM Journal on Numerical Analysis, 1979
In this paper we develop a stability theory for the Fourier (or pseudo-spectral) method for linear hyperbolic and parabolic partial differential equations with variable coefficients.
Kreiss, Heinz-Otto, Oliger, Joseph
openaire   +2 more sources

New methods for Fourier analysis and Fourier synthesis

IEEE Signal Processing Letters, 1999
A basic and important relation between square wave and sine-cosine function is presented. This relation leads to completely new methods for Fourier analysis and Fourier synthesis.
Yuchuan Wei, Qishan Zhang, Lee Lung Cheng   +2 more
openaire   +1 more source

Stability and spectral convergence of Fourier method for nonlinear problems: on the shortcomings of the 2/3\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\odd

Numerische Mathematik, 2013
The high-order accuracy of Fourier method makes it the method of choice in many large scale simulations. We discuss here the stability of Fourier method for nonlinear evolution problems, focusing on the two prototypical cases of the inviscid Burgers ...
C. Bardos, E. Tadmor
semanticscholar   +1 more source

Detection of apnea events from ECG segments using Fourier decomposition method

Biomedical Signal Processing and Control, 2020
Absence of airflow in breathing during sleep for more than 10 s is known as sleep apnea. It causes low oxygen levels in the blood which may lead to many cardiovascular problems.
Binish Fatimah, Pushpendra Singh, Amit Singhal, R. B. Pachori   +3 more
semanticscholar   +1 more source