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This work studies the multi-task functional linear regression models where both the covariates and the unknown regression coefficients (called slope functions) are curves. For slope function estimation, we employ penalized splines to…

统计理论 · 数学 2023-08-02 Shiyuan He , Hanxuan Ye , Kejun He

Model predictive control (MPC) is a promising technique for motion cueing in driving simulators, but its high computation time limits widespread real-time application. This paper proposes a hybrid algorithm that combines filter-based and…

机器人学 · 计算机科学 2023-09-06 Vishrut Jain , Andrea Lazcano , Riender Happee , Barys Shyrokau

Reinforcement learning (RL) and model predictive control (MPC) offer a wealth of distinct approaches for automatic decision-making under uncertainty. Given the impact both fields have had independently across numerous domains, there is…

系统与控制 · 电气工程与系统科学 2025-10-13 Nathan P. Lawrence , Philip D. Loewen , Michael G. Forbes , R. Bhushan Gopaluni , Ali Mesbah

We introduce a Model Predictive Control (MPC) framework for training deep neural networks, systematically unifying the Back-Propagation (BP) and Forward-Forward (FF) algorithms. At the same time, it gives rise to a range of intermediate…

机器学习 · 计算机科学 2024-10-01 Lianhai Ren , Qianxiao Li

The effectiveness of machine learning models, particularly in unbalanced classification tasks, is often hindered by the failure to differentiate between critical instances near the decision boundary and redundant samples concentrated in the…

We theoretically analyze and compare the following five popular multiclass classification methods: One vs. All, All Pairs, Tree-based classifiers, Error Correcting Output Codes (ECOC) with randomly generated code matrices, and Multiclass…

机器学习 · 计算机科学 2013-02-19 Amit Daniely , Sivan Sabato , Shai Shalev Shwartz

Classification is a fundamental task in many applications on which data-driven methods have shown outstanding performances. However, it is challenging to determine whether such methods have achieved the optimal performance. This is mainly…

机器学习 · 计算机科学 2024-01-30 Minoh Jeong , Martina Cardone , Alex Dytso

One of the significant problems associated with imbalanced data classification is the lack of reliable metrics. This runs primarily from the fact that for most real-life (as well as commonly used benchmark) problems, we do not have…

机器学习 · 计算机科学 2024-04-16 Szymon Wojciechowski , Michał Woźniak

The performance of many machine learning techniques depends on the choice of an appropriate similarity or distance measure on the input space. Similarity learning (or metric learning) aims at building such a measure from training data so…

机器学习 · 统计学 2019-01-25 Robin Vogel , Aurélien Bellet , Stéphan Clémençon

Model-Predictive Control (MPC) is a powerful tool for controlling complex, real-world systems that uses a model to make predictions about future behavior. For each state encountered, MPC solves an online optimization problem to choose a…

机器学习 · 计算机科学 2021-04-15 Mohak Bhardwaj , Sanjiban Choudhury , Byron Boots

In most machine learning applications, classification accuracy is not the primary metric of interest. Binary classifiers which face class imbalance are often evaluated by the $F_\beta$ score, area under the precision-recall curve, Precision…

机器学习 · 计算机科学 2018-03-02 Alan Mackey , Xiyang Luo , Elad Eban

One-class classifiers are trained with target class only samples. Intuitively, their conservative modelling of the class description may benefit classical classification tasks where classes are difficult to separate due to overlapping and…

机器学习 · 计算机科学 2019-06-26 Riccardo La Grassa , Ignazio Gallo , Alessandro Calefati , Dimitri Ognibene

This study presents a novel multi-output classification (MOC) framework designed for domain adaptation in fault diagnosis, addressing challenges posed by partially labeled (PL) target domain dataset and coexisting faults in rotating…

机器学习 · 计算机科学 2025-04-16 Wonjun Yi , Yong-Hwa Park

We investigate a long-debated question, which is how to create predictive models of recidivism that are sufficiently accurate, transparent, and interpretable to use for decision-making. This question is complicated as these models are used…

机器学习 · 统计学 2020-10-20 Jiaming Zeng , Berk Ustun , Cynthia Rudin

One-class classification (OCC), which models one single positive class and distinguishes it from the negative class, has been a long-standing topic with pivotal application to realms like anomaly detection. As modern society often deals…

计算机视觉与模式识别 · 计算机科学 2021-04-28 Siqi Wang , Jiyuan Liu , Guang Yu , Xinwang Liu , Sihang Zhou , En Zhu , Yuexiang Yang , Jianping Yin

The Area Under the the Receiver Operating Characteristics (ROC) Curve, referred to as AUC, is a well-known performance measure in the supervised learning domain. Due to its compelling features, it has been employed in a number of studies to…

Performance evaluations are critical for quantifying algorithmic advances in reinforcement learning. Recent reproducibility analyses have shown that reported performance results are often inconsistent and difficult to replicate. In this…

机器学习 · 计算机科学 2020-08-14 Scott M. Jordan , Yash Chandak , Daniel Cohen , Mengxue Zhang , Philip S. Thomas

Constrained multiobjective optimization has gained much interest in the past few years. However, constrained multiobjective optimization problems (CMOPs) are still unsatisfactorily understood. Consequently, the choice of adequate CMOPs for…

神经与进化计算 · 计算机科学 2023-02-07 Aljoša Vodopija , Tea Tušar , Bogdan Filipič

Training classification models on imbalanced data tends to result in bias towards the majority class. In this paper, we demonstrate how variable discretization and cost-sensitive logistic regression help mitigate this bias on an imbalanced…

应用统计 · 统计学 2019-07-29 Lili Zhang , Herman Ray , Jennifer Priestley , Soon Tan

The binary segmentation of whiteboard strokes is hindered by extreme class imbalance, caused by stroke pixels that constitute only $1.79%$ of the image on average, and in addition, the thin-stroke subset averages $1.14% \pm 0.41%$ in the…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Nicholas Korcynski