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相关论文: Improving Covariance-Regularized Discriminant Anal…

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We show that for unconstrained Deep Linear Discriminant Analysis (LDA) classifiers, maximum-likelihood training admits pathological solutions in which class means drift together, covariances collapse, and the learned representation becomes…

机器学习 · 统计学 2026-01-06 Maxat Tezekbayev , Rustem Takhanov , Arman Bolatov , Zhenisbek Assylbekov

Multilinear Discriminant Analysis (MDA) is a powerful dimension reduction method specifically formulated to deal with tensor data. Precisely, the goal of MDA is to find mode-specific projections that optimally separate tensor data from…

数值分析 · 数学 2022-03-03 F. Dufrenois , A. El Ichi , K. Jbilou

Medical document analysis plays a crucial role in extracting essential clinical insights from unstructured healthcare records, supporting critical tasks such as differential diagnosis. Determining the most probable condition among…

This paper addresses classification problems with matrix-valued data, which commonly arise in applications such as neuroimaging and signal processing. Building on the assumption that the data from each class follows a matrix normal…

统计方法学 · 统计学 2025-12-18 Seungyeon Oh , Seongoh Park , Hoyoung Park

Despite the success of deep neural networks in medical image classification, the problem remains challenging as data annotation is time-consuming, and the class distribution is imbalanced due to the relative scarcity of diseases. To address…

计算机视觉与模式识别 · 计算机科学 2023-08-01 Zhongzheng Huang , Jiawei Wu , Tao Wang , Zuoyong Li , Anastasia Ioannou

The Engineers' Salary Prediction Challenge requires classifying salary categories into three classes based on tabular data. The job description is represented as a 300-dimensional word embedding incorporated into the tabular features,…

机器学习 · 计算机科学 2025-09-17 Liam Ressel , Hamza A. A. Gardi

Inverse problems constrained by partial differential equations (PDEs) play a critical role in model development and calibration. In many applications, there are multiple uncertain parameters in a model that must be estimated. However, high…

数值分析 · 数学 2022-10-27 Joseph Hart , Bart van Bloemen Waanders

The uncertainty quantification and error control of classifiers are crucial in many high-consequence decision-making scenarios. We propose a selective classification framework that provides an indecision option for any observations that…

统计方法学 · 统计学 2022-10-11 Bowen Gang , Yuantao Shi , Wenguang Sun

In 2023, the U.S. Food and Drug Administration issued guidance for adjustment of covariates in randomized clinical trials, emphasizing its role in enhancing precision and power through prognostic baseline variables. Despite its potential,…

统计方法学 · 统计学 2026-05-28 Kelly Van Lancker , Iván Díaz , Stijn Vansteelandt

Electronic health records (EHR) data provide a cost and time-effective opportunity to conduct cohort studies of the effects of multiple time-point interventions in the diverse patient population found in real-world clinical settings.…

This paper aims to develop an optimality theory for linear discriminant analysis in the high-dimensional setting. A data-driven and tuning free classification rule, which is based on an adaptive constrained $\ell_1$ minimization approach,…

统计方法学 · 统计学 2018-04-10 T. Tony Cai , Linjun Zhang

Background: Clinical diagnosis is typically reached by following a series of steps recommended by guidelines authored by colleges of experts. Accordingly, guidelines play a crucial role in rationalizing clinical decisions but suffer from…

机器学习 · 计算机科学 2024-04-10 Lillian Muyama , Antoine Neuraz , Adrien Coulet

Linear discriminant analysis (LDA) is a typical method for classification problems with large dimensions and small samples. There are various types of LDA methods that are based on the different types of estimators for the covariance…

统计方法学 · 统计学 2023-03-07 Jaehoan Kim , Hoyoung Park , Junyong Park

In visual domain adaptation (DA), separating the domain-specific characteristics from the domain-invariant representations is an ill-posed problem. Existing methods apply different kinds of priors or directly minimize the domain discrepancy…

计算机视觉与模式识别 · 计算机科学 2020-12-01 Shuhao Cui , Xuan Jin , Shuhui Wang , Yuan He , Qingming Huang

Bearing fault diagnosis under varying working conditions faces challenges, including a lack of labeled data, distribution discrepancies, and resource constraints. To address these issues, we propose a progressive knowledge distillation…

机器学习 · 计算机科学 2025-11-04 Mohammadreza Kavianpour , Parisa Kavianpour , Amin Ramezani , Mohammad TH Beheshti

The emerging research shows that lncRNA has crucial research value in a series of complex human diseases. Therefore, the accurate identification of lncRNA-disease associations (LDAs) is very important for the warning and treatment of…

机器学习 · 计算机科学 2024-06-06 Wen-Yu Xi , Juan Wang , Yu-Lin Zhang , Jin-Xing Liu , Yin-Lian Gao

Latent Dirichlet Allocation (LDA) is a popular topic modeling technique for hidden semantic discovery of text data and serves as a fundamental tool for text analysis in various applications. However, the LDA model as well as the training…

机器学习 · 计算机科学 2020-10-12 Fangyuan Zhao , Xuebin Ren , Shusen Yang , Qing Han , Peng Zhao , Xinyu Yang

Large Language Models (LLMs) have advanced the field of Combinatorial Optimization through automated heuristic generation. Instead of relying on manual design, this LLM-Driven Heuristic Design (LHD) process leverages LLMs to iteratively…

机器学习 · 计算机科学 2026-04-17 Rongzheng Wang , Yihong Huang , Muquan Li , Jiakai Li , Di Liang , Bob Simons , Pei Ke , Shuang Liang , Ke Qin

The rich longitudinal individual level data available from electronic health records (EHRs) can be used to examine treatment effect heterogeneity. However, estimating treatment effects using EHR data poses several challenges, including…

In this paper, we study the problem of estimating the covariance matrix under differential privacy, where the underlying covariance matrix is assumed to be sparse and of high dimensions. We propose a new method, called DP-Thresholding, to…

机器学习 · 计算机科学 2019-04-17 Di Wang , Jinhui Xu