Sequential estimation of Gaussian process-based deep state-space models

Y Liu, M Ajirak, PM Djurić - IEEE Transactions on Signal …, 2023 - ieeexplore.ieee.org
We consider the problem of sequential estimation of the unknowns of state-space and deep
state-space models that include estimation of functions and latent processes of the models …

Genetic association map** leveraging Gaussian processes

N Kumasaka - Journal of Human Genetics, 2024 - nature.com
Gaussian processes (GPs) are a powerful and useful approach for modelling nonlinear
phenomena in various scientific fields, including genomics and genetics. This review …

Nonnegative spatial factorization

FW Townes, BE Engelhardt - arxiv preprint arxiv:2110.06122, 2021 - arxiv.org
Gaussian processes are widely used for the analysis of spatial data due to their
nonparametric flexibility and ability to quantify uncertainty, and recently developed scalable …

Inference with deep Gaussian process state space models

Y Liu, M Ajirak, PM Djurić - 2022 30th European Signal …, 2022 - ieeexplore.ieee.org
In this paper, we address the problem of sequential processing of observations modeled by
deep Gaussian process state space models. First, we introduce the model where the Gaus …

Preventing model collapse in gaussian process latent variable models

Y Li, Z Lin, F Yin, MM Zhang - arxiv preprint arxiv:2404.01697, 2024 - arxiv.org
Gaussian process latent variable models (GPLVMs) are a versatile family of unsupervised
learning models commonly used for dimensionality reduction. However, common …

Bayesian non-linear latent variable modeling via random fourier features

MM Zhang, GW Gundersen, BE Engelhardt - arxiv preprint arxiv …, 2023 - arxiv.org
The Gaussian process latent variable model (GPLVM) is a popular probabilistic method
used for nonlinear dimension reduction, matrix factorization, and state-space modeling …

Detecting confounders in multivariate time series using strength of causation

Y Liu, C Cui, D Waxman, K Butler… - 2023 31st European …, 2023 - ieeexplore.ieee.org
One of the most important problems in science is understanding causation. This is
particularly challenging when one has access to observational data only and is further …

Scalable Random Feature Latent Variable Models

Y Li, Z Lin, Y Liu, MM Zhang, PM Olmos… - arxiv preprint arxiv …, 2024 - arxiv.org
Random feature latent variable models (RFLVMs) represent the state-of-the-art in latent
variable models, capable of handling non-Gaussian likelihoods and effectively uncovering …

Ensembles of Gaussian process latent variable models

M Ajirak, Y Liu, PM Djurić - 2022 30th European Signal …, 2022 - ieeexplore.ieee.org
In this paper, we address the classification and dimensionality reduction via ensembles of
Gaussian Process Latent Variable Models (GPLVMs). The underlying idea is to have a …

Multi-View Oriented GPLVM: Expressiveness and Efficiency

Z Yang, Y Li, Z Lin, MM Zhang, PM Olmos - arxiv preprint arxiv …, 2025 - arxiv.org
The multi-view Gaussian process latent variable model (MV-GPLVM) aims to learn a unified
representation from multi-view data but is hindered by challenges such as limited kernel …