Self-paced dynamic infinite mixture model for fatigue evaluation of pilots' brains

EQ Wu, M Zhou, D Hu, L Zhu, Z Tang… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
Current brain cognitive models are insufficient in handling outliers and dynamics of
electroencephalogram (EEG) signals. This article presents a novel self-paced dynamic …

Semi-supervised variational Bayesian Student'st mixture regression and robust inferential sensor application

J Wang, W Shao, Z Song - Control engineering practice, 2019 - Elsevier
Data-driven inferential sensor has been widely adopted to estimate key quality relevant
variables. However, industrial dataset usually presents many characteristics such as …

Nonlinear variational Bayesian Student'st mixture regression and inferential sensor application with semisupervised data

J Wang, W Shao, X Zhang, J Qian, Z Song… - Journal of Process …, 2021 - Elsevier
Gaussian mixture models have been widely applied to predict those significant but hard-to-
measure quality variables in industrial processes. However, outliers that result from …

IVA algorithms using a multivariate student's t source prior for speech source separation in real room environments

W Rafique, SM Naqvi, PJB Jackson… - … on Acoustics, Speech …, 2015 - ieeexplore.ieee.org
The independent vector analysis (IVA) algorithm employs a multivariate source prior to
retain the dependency between different frequency bins of each source and thereby avoids …

An expectation–maximization-based IVA algorithm for speech source separation using student'st mixture model based source priors

W Rafique, J Chambers, AI Sunny - Acoustics, 2019 - mdpi.com
The performance of the independent vector analysis (IVA) algorithm depends on the choice
of the source prior to better model the speech signals as it employs a multivariate source …

[PDF][PDF] Robust formant detection using group delay function and stabilized weighted linear prediction.

DN Gowda, J Pohjalainen, M Kurimo, P Alku - INTERSPEECH, 2013 - isca-archive.org
In this paper, we propose a robust spectral representation for detecting formants in heavily
degraded conditions. The method combines the temporal robustness of the stabilized …

Hybrid autoregressive resonance estimation and density mixture formant tracking model

MA Ramírez - IEEE Access, 2018 - ieeexplore.ieee.org
A novel formant tracker is proposed using the mixture models oft densities (tMMs) for vocal
tract resonance frequencies estimated with a hybrid linear prediction (HLP) method. The …

[PDF][PDF] Identification of F1 and F2 in Speech Using Modified Zero Frequency Filtering.

RS Prasad, M Magimai-Doss - Interspeech, 2021 - isca-archive.org
Formants are major resonances in the vocal tract system. Identification of formants is
important for study of speech. In the literature, formants are typically identified by first …

[PDF][PDF] Enhanced independent vector analysis for audio separation in a room environment

Y Liang - 2013 - core.ac.uk
Independent vector analysis (IVA) is studied as a frequency domain blind source separation
method, which can theoretically avoid the permutation problem by retaining the dependency …

Speech source separation using the IVA algorithm with multivariate mixed super gaussian student's t source prior in real room environment

Independent vector analysis (IVA) can theoretically avoid the permutation problem in
frequency domain blind source separation by using a multivariate source prior to retain the …