Review and big data perspectives on robust data mining approaches for industrial process modeling with outliers and missing data

J Zhu, Z Ge, Z Song, F Gao - Annual Reviews in Control, 2018 - Elsevier
Industrial process data are usually mixed with missing data and outliers which can greatly
affect the statistical explanation abilities for traditional data-driven modeling methods. In this …

A review of the expectation maximization algorithm in data-driven process identification

N Sammaknejad, Y Zhao, B Huang - Journal of process control, 2019 - Elsevier
Abstract The Expectation Maximization (EM) algorithm has been widely used for parameter
estimation in data-driven process identification. EM is an algorithm for maximum likelihood …

Stochastic transformer networks with linear competing units: Application to end-to-end sl translation

A Voskou, KP Panousis… - Proceedings of the …, 2021 - openaccess.thecvf.com
Automating sign language translation (SLT) is a challenging real-world application. Despite
its societal importance, though, research progress in the field remains rather poor. Crucially …

Dynamic asset allocation for varied financial markets under regime switching framework

GI Bae, WC Kim, JM Mulvey - European Journal of Operational Research, 2014 - Elsevier
Asset allocation among diverse financial markets is essential for investors especially under
situations such as the financial crisis of 2008. Portfolio optimization is the most developed …

Echo state Gaussian process

SP Chatzis, Y Demiris - IEEE Transactions on Neural Networks, 2011 - ieeexplore.ieee.org
Echo state networks (ESNs) constitute a novel approach to recurrent neural network (RNN)
training, with an RNN (the reservoir) being generated randomly, and only a readout being …

Robust student's-t mixture model with spatial constraints and its application in medical image segmentation

TM Nguyen, QMJ Wu - IEEE Transactions on Medical Imaging, 2011 - ieeexplore.ieee.org
Finite mixture model based on the Student's-t distribution, which is heavily tailed and more
robust than Gaussian, has recently received great attention for image segmentation. A new …

A novel corporate credit rating system based on Student'st hidden Markov models

A Petropoulos, SP Chatzis, S Xanthopoulos - Expert Systems with …, 2016 - Elsevier
Corporate credit rating systems have been an integral part of expert decision making of
financial institutions for the last four decades. They are embedded into the pricing function …

Student's t-hidden Markov model for unsupervised learning using localized feature selection

Y Zheng, B Jeon, L Sun, J Zhang… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Recently, the hidden Markov model (HMM) with student's t-mixture model (SMM), called
student's t-HMM (SHMM) for short, has received much attention in unsupervised learning of …

Variational Bayesian learning of generalized Dirichlet-based hidden Markov models applied to unusual events detection

E Epaillard, N Bouguila - IEEE transactions on neural networks …, 2018 - ieeexplore.ieee.org
Learning a hidden Markov model (HMM) is typically based on the computation of a
likelihood which is intractable due to a summation over all possible combinations of states …

Proportional data modeling with hidden Markov models based on generalized Dirichlet and Beta-Liouville mixtures applied to anomaly detection in public areas

E Epaillard, N Bouguila - Pattern Recognition, 2016 - Elsevier
The recent and rapid deployment of CCTV cameras in public areas invokes the need for a
capability to assist human operators in the real-time detection of threats and anomalous …