An efficient EM algorithm for two-layer mixture model of gaussian process functional regressions

D Wu, Y Xie, Z Qiang - Pattern Recognition, 2023 - Elsevier
The mixture of Gaussian processes is effective for regression, but it cannot handle the non-
stationary curve clustering problem well. The two-layer mixture of Gaussian process …

An effective EM algorithm for mixtures of Gaussian processes via the MCMC sampling and approximation

D Wu, J Ma - Neurocomputing, 2019 - Elsevier
Abstract The Mixture of Gaussian Processes (MGP) is a powerful statistical model for
characterizing multimodal data, but its conventional Expectation-Maximization (EM) …

A two-layer mixture model of Gaussian process functional regressions and its MCMC EM algorithm

D Wu, J Ma - IEEE Transactions on Neural Networks and …, 2018 - ieeexplore.ieee.org
The mixture of Gaussian processes (GPs) is capable of learning any general stochastic
process based on a given set of (sample) curves for the regression and prediction problems …

Mixture of robust Gaussian processes and its hard-cut EM algorithm with variational bounding approximation

T Li, D Wu, J Ma - Neurocomputing, 2021 - Elsevier
The Gaussian process is a powerful statistical learning model and has been applied widely
in nonlinear regression and classification. However, it fails to model multi-modal data from a …

An improved mixture model of gaussian processes and its classification expectation–maximization algorithm

Y Xie, D Wu, Z Qiang - Mathematics, 2023 - mdpi.com
The mixture of experts (ME) model is effective for multimodal data in statistics and machine
learning. To treat non-stationary probabilistic regression, the mixture of Gaussian processes …

A dynamic model selection algorithm for mixtures of Gaussian processes

L Zhao, J Ma - 2016 IEEE 13th International Conference on …, 2016 - ieeexplore.ieee.org
The mixture of Gaussian processes (MGP) is a powerful and widely used model in machine
learning. However, it remains a challenging problem to determine the actual number of GP …

Variational EM algorithm for Student-t mixtures of Gaussian processes

X Guo, X Li, J Ma - International Conference on Intelligent Computing, 2021 - Springer
Student-t mixture of Gaussian processes (TMGP) extends the conventional mixture of
Gaussian processes (MGP) by using Student-t mixture as the input distribution instead of …

[PDF][PDF] 从高斯过程到高斯过程混合模型: 研究与展望

周亚同, 陈子一, 马尽文 - 信号处理, 2016 - math.pku.edu.cn
高斯过程(GP) 模型是核学习方法与贝叶斯推理相结合的典范, 现已成为机器学习领域的一个
研究热点. 作为对GP 模型的拓展, 高斯过程混合(MGP) 模型具有更强大的学习能力和适应性 …

Curve clustering via the split learning of mixtures of Gaussian processes

Z Qiang, J Luo, J Ma - 2016 IEEE 13th International Conference …, 2016 - ieeexplore.ieee.org
Data in various research fields can be gathered as repeated measure curves. Although they
consist of finite points, it is usually valuable to consider them as sample curves of stochastic …

Model selection prediction for the mixture of Gaussian processes with RJMCMC

Z Qiang, J Ma - Intelligence Science II: Third IFIP TC 12 International …, 2018 - Springer
Repetition measurements from different sources often occur in data analysis which need to
be model and keep track of the original sources. Moreover, data are usually collected as …