Robust generalised quadratic discriminant analysis

A Ghosh, R SahaRay, S Chakrabarty, S Bhadra - Pattern Recognition, 2021 - Elsevier
Quadratic discriminant analysis (QDA) is a widely used statistical tool to classify
observations from different multivariate Normal populations. The generalized quadratic …

MP2SDA: Multi-Party Parallelized Sparse Discriminant Learning

J Bian, H Xiong, Y Fu, J Huan, Z Guo - ACM Transactions on Knowledge …, 2020 - dl.acm.org
Sparse Discriminant Analysis (SDA) has been widely used to improve the performance of
classical Fisher's Linear Discriminant Analysis in supervised metric learning, feature …

Improving covariance-regularized discriminant analysis for EHR-based predictive analytics of diseases

S Yang, H Xiong, K Xu, L Wang, J Bian, Z Sun - Applied Intelligence, 2021 - Springer
Abstract Linear Discriminant Analysis (LDA) is a well-known technique for feature extraction
and dimension reduction. The performance of classical LDA however, significantly degrades …

[PDF][PDF] On the global convergence of a randomly perturbed dissipative nonlinear oscillator

W Hu, CJ Li, W Su - arXiv preprint arXiv:1712.05733, 2017 - researchgate.net
We consider in this work small random perturbations of a nonlinear oscillator with friction–
type dissipation. We rigorously prove that under non–degenerate perturbations of …

[PDF][PDF] 基于深度线性判别分析的哈希技术

胡迪, 聂飞平, 李学龙 - 中国科学: 信息科学, 2021 - scis.scichina.com
摘要传统基于分类学习的监督哈希方法并不能完全满足哈希检索技术需求, 但是线性判别分析却
能够在一定程度上做到这一点. 本文提出将线性判别分析作为深度网络的优化目标 …

Inertial Dynamical Systems with Viscous and Hessian-Driven Damping for Nonconvex Minimization

CJ Li - Available at SSRN 4900294, 2024 - papers.ssrn.com
In this paper, we explore advanced algorithmic frameworks for addressing the challenges in
non-convex optimization. We introduce inertial dynamical systems equipped with explicit …

Sampling sparse representations with randomized measurement langevin dynamics

K Wang, H Xiong, J Bian, Z Zhu, Q Gao, Z Guo… - ACM Transactions on …, 2021 - dl.acm.org
Stochastic Gradient Langevin Dynamics (SGLD) have been widely used for Bayesian
sampling from certain probability distributions, incorporating derivatives of the log-posterior …

Bayesian decision rules to classification problems

Y Long, X Xu - Australian & New Zealand Journal of Statistics, 2021 - Wiley Online Library
In this paper, we analysed classification rules under Bayesian decision theory. The setup we
considered here is fairly general, which can represent all possible parametric models. The …

On the global convergence of continuous–time stochastic heavy–ball method for nonconvex optimization

W Hu, CJ Li, X Zhou - … Conference on Big Data (Big Data), 2019 - ieeexplore.ieee.org
We study the convergence behavior of a stochastic heavy-ball method with a small stepsize.
Under a change of time scale, we approximate the discrete scheme by a stochastic …