Feature selection algorithms highlight the importance of the systolic segment for normal/murmur PCG beat classification

R Touahria, A Hacine-Gharbi, P Ravier - Biomedical Signal Processing and …, 2023 - Elsevier
This paper proposes a method using statistical local and global features for classifying
healthy and murmur heart sound recordings from phonocardiogram signals. Classification …

[HTML][HTML] Heavy snowfall event over the Swiss Alps: did wind shear impact secondary ice production?

Z Dedekind, J Grazioli, PH Austin… - … Chemistry and Physics, 2023 - acp.copernicus.org
The change in wind direction and speed with height, referred to as vertical wind shear,
causes enhanced turbulence in the atmosphere. As a result, there are enhanced …

An entropy-based measure of correlation for time series

G Pernagallo - Information Sciences, 2023 - Elsevier
In this paper, an information-based measure of association between time series, called
information-based correlation coefficient (ICC), is introduced to potentially overcome some …

Finite sample based mutual information

K Rajab, F Kamalov - IEEE Access, 2021 - ieeexplore.ieee.org
Mutual information is a popular metric in machine learning. In case of a discrete target
variable and a continuous feature variable the mutual information can be calculated as a …

A binning formula of bi-histogram for joint entropy estimation using mean square error minimization

A Hacine-Gharbi, P Ravier - Pattern Recognition Letters, 2018 - Elsevier
Histograms have extensively been used as a simple tool for nonparametric probability
density function estimation. However, practically, the accuracy of some histogram-based …

Normalized mutual information of fNIRS signals as a measure for accessing typical and atypical brain activity

H Sun, F Lin, X Wu, T Zhang, J Li - Journal of Biophotonics, 2023 - Wiley Online Library
Normalized mutual information (NMI) can be used to detect statistical correlations between
time series. We showed possibility of using NMI to quantify synchronicity of information …

[HTML][HTML] On the optimal number estimation of selected features using joint histogram based mutual information for speech emotion recognition

A Hacine-Gharbi, P Ravier - Journal of King Saud University-Computer and …, 2021 - Elsevier
Mutual information (MI) has been previously used to select the relevant features for the task
of speech emotion recognition (SER). However, the procedure does not deliver the optimal …

Relevant harmonics selection based on mutual information for electrical appliances identification

A Hacine-Gharbi, P Ravier… - International Journal of …, 2020 - inderscienceonline.com
Many appliance identification systems use harmonics of current signals as features.
However, the choice of the order and number of relevant harmonics for appliance …

[HTML][HTML] A new feature extraction method based on the information fusion of entropy matrix and covariance matrix and its application in face recognition

S Wang, P Liu - entropy, 2015 - mdpi.com
The classic principal components analysis (PCA), kernel PCA (KPCA) and linear
discriminant analysis (LDA) feature extraction methods evaluate the importance of …

[HTML][HTML] Анализ взаимосвязей между изменениями цен на рынке криптовалют

ТН Соколова, ГЮ Чернышова… - Промышленность …, 2018 - cyberleninka.ru
Виртуальные валюты новый феномен на мировых финансовых рынках. Представляя
собой альтернативные деньги и возможности для инвестиций, они функционируют за …