Results 41 to 50 of about 44,498 (172)

A Complex Empirical Mode Decomposition for Multivariant Traffic Time Series

open access: yesElectronics, 2023
Data-driven modeling methods have been widely used in many applications or studies of traffic systems with complexity and chaos. The empirical mode decomposition (EMD) family provides a lightweight analytical method for non-stationary and non-linear data.
Guochen Shen, Lei Zhang
openaire   +1 more source

Feature extraction from ear-worn sensor data for gait analysis [PDF]

open access: yes, 2014
Gait analysis has a significant role in assessing human's walking pattern. It is generally used in sports science for understanding body mechanics, and it is also used to monitor patients' neuro-disorder related gait abnormalities.
Atallah, Louis   +3 more
core   +1 more source

Hyperparameter optimization of support vector machine using adaptive differential evolution for electricity load forecasting

open access: yesEnergy Reports, 2022
Peak load forecasting plays an integral part in the planning and operating of energy plants for the utility companies and policymakers to devise reliable and stable power infrastructure.
M. Zulfiqar   +4 more
doaj   +1 more source

Permutation Inference for Canonical Correlation Analysis [PDF]

open access: yes, 2020
Canonical correlation analysis (CCA) has become a key tool for population neuroimaging, allowing investigation of associations between many imaging and non-imaging measurements. As other variables are often a source of variability not of direct interest,
Nichols, Thomas E.   +3 more
core   +3 more sources

Disambiguating the role of blood flow and global signal with partial information decomposition [PDF]

open access: yes, 2019
Global signal (GS) is an ubiquitous construct in resting state functional magnetic resonance imaging (rs-fMRI), associated to nuisance, but containing by definition most of the neuronal signal.
Calhoun, Vince D.   +5 more
core   +2 more sources

Mode decomposition-based time-varying phase synchronization for fMRI

open access: yesNeuroImage, 2022
Recently, there has been significant interest in measuring time-varying functional connectivity (TVC) between different brain regions using resting-state functional magnetic resonance imaging (rs-fMRI) data.
Hamed Honari, Martin A. Lindquist
doaj   +1 more source

Classification of motor imagery signals using noise-assisted fast multivariate empirical mode decomposition

open access: yes智能科学与技术学报, 2020
The brain-computer interface is an emerging technology,which can analyze the collected motor imagery signals to control the external auxiliary equipment.A new method based on the noise-assisted fast multivariate empirical mode decomposition (NA-FMEMD ...
Qian ZHENG   +6 more
doaj  

Penalized additive regression for space-time data: a Bayesian perspective [PDF]

open access: yes, 2003
We propose extensions of penalized spline generalized additive models for analysing space-time regression data and study them from a Bayesian perspective.
Fahrmeir, Ludwig   +2 more
core   +3 more sources

$k$-means clustering of extremes [PDF]

open access: yes, 2019
The $k$-means clustering algorithm and its variant, the spherical $k$-means clustering, are among the most important and popular methods in unsupervised learning and pattern detection.
Janßen, Anja, Wan, Phyllis
core   +2 more sources

Developing stage–discharge relationships using multivariate empirical mode decomposition-based hybrid modeling

open access: yesApplied Water Science, 2018
This paper proposes an alternative method for modeling stage–discharge relationships by accounting significant information from different process scales employing the multivariate empirical mode decomposition (MEMD).
S. Adarsh   +6 more
doaj   +1 more source

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