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We adapt reinforcement learning (RL) methods for continuous control to bridge the gap between complete ignorance and perfect knowledge of the environment. Our method, Partial Knowledge Least Squares Policy Iteration (PLSPI), takes…

系统与控制 · 电气工程与系统科学 2024-03-27 Shuyuan Wang , Philip D. Loewen , Nathan P. Lawrence , Michael G. Forbes , R. Bhushan Gopaluni

In this work, a novel method based on the learning using privileged information (LUPI) paradigm for recognizing complex human activities is proposed that handles missing information during testing. We present a supervised probabilistic…

计算机视觉与模式识别 · 计算机科学 2017-09-20 Michalis Vrigkas , Evangelos Kazakos , Christophoros Nikou , Ioannis A. Kakadiaris

Existing driving style recognition systems largely depend on low-level sensor-derived features for training, neglecting the rich semantic reasoning capability inherent to human experts. This discrepancy results in a fundamental misalignment…

机器人学 · 计算机科学 2026-05-06 Zhaokun Chen , Chaopeng Zhang , Xiaohan Li , Wenshuo Wang , Gentiane Venture , Junqiang Xi

We propose randomized least-squares value iteration (RLSVI) -- a new reinforcement learning algorithm designed to explore and generalize efficiently via linearly parameterized value functions. We explain why versions of least-squares value…

机器学习 · 统计学 2016-02-16 Ian Osband , Benjamin Van Roy , Zheng Wen

Least Squares Twin Support Vector Machine (LST-SVM) has been shown to be an efficient and fast algorithm for binary classification. It combines the operating principles of Least Squares SVM (LS-SVM) and Twin SVM (T-SVM); it constructs two…

人工智能 · 计算机科学 2018-11-26 Javad Salimi Sartakhti , Homayun Afrabandpey , Nasser Ghadiri

Support vector regression (SVR) has been widely used to reduce the high computational cost of computer simulation. SVR assumes the input parameters have equal sample sizes, but unequal sample sizes are often encountered in engineering…

信号处理 · 电气工程与系统科学 2021-11-09 Maolin Shi , Wei Sun , Xueguan Song , Hongyou Li

Training foundation models is computationally intensive and often slow to converge. We introduce PIQL,Privileged Information for Quick and Quality Learning, the first framework to systematically integrate privileged information (PI) to…

机器学习 · 计算机科学 2026-05-15 Xueying Ding , Leman Akoglu

Prior knowledge can be used to improve predictive performance of learning algorithms or reduce the amount of data required for training. The same goal is pursued within the learning using privileged information paradigm which was recently…

机器学习 · 统计学 2014-03-04 Maksim Lapin , Matthias Hein , Bernt Schiele

In the domain of machine learning, least square twin support vector machine (LSTSVM) stands out as one of the state-of-the-art models. However, LSTSVM suffers from sensitivity to noise and outliers, overlooking the SRM principle and…

机器学习 · 计算机科学 2025-02-11 M. Tanveer , R. K. Sharma , A. Quadir , M. Sajid

We introduce Bayesian least-squares policy iteration (BLSPI), an off-policy, model-free, policy iteration algorithm that uses the Bayesian least-squares temporal-difference (BLSTD) learning algorithm to evaluate policies. An online variant…

机器学习 · 计算机科学 2019-04-09 Nikolaos Tziortziotis , Christos Dimitrakakis , Michalis Vazirgiannis

Learning using statistical invariants (LUSI) is a new learning paradigm, which adopts weak convergence mechanism, and can be applied to a wider range of classification problems. However, the computation cost of invariant matrices in LUSI is…

机器学习 · 计算机科学 2024-04-01 Ting-Ting Zhu , Yuan-Hai Shao , Chun-Na Li , Tian Liu

Many of the affect modelling tasks present an asymmetric distribution of information between training and test time; additional information is given about the training data, which is not available at test time. Learning under this setting…

机器学习 · 计算机科学 2021-08-13 Konstantinos Makantasis

Recently, tensor data (or multidimensional array) have been generated in many modern applications, such as functional magnetic resonance imaging (fMRI) in neuroscience and videos in video analysis. Many efforts are made in recent years to…

机器学习 · 计算机科学 2023-08-10 Jiaqi Zhang , Yinghao Cai , Zhaoyang Wang , Beilun Wang

Leveraging privileged information (PI), or features available during training but not at test time, has recently been shown to be an effective method for addressing label noise. However, the reasons for its effectiveness are not well…

Positive and Unlabeled (PU) learning, a binary classification model trained with only positive and unlabeled data, generally suffers from overfitted risk estimation due to inconsistent data distributions. To address this, we introduce a…

计算机视觉与模式识别 · 计算机科学 2024-07-10 Chengjie Wang , Chengming Xu , Zhenye Gan , Jianlong Hu , Wenbing Zhu , Lizhuag Ma

Variational inference consists in finding the best approximation of a target distribution within a certain family, where `best' means (typically) smallest Kullback-Leiber divergence. We show that, when the approximation family is…

统计计算 · 统计学 2025-09-24 Yvann Le Fay , Nicolas Chopin , Simon Barthelmé

This paper addresses the problem of model-free reinforcement learning for Robust Markov Decision Process (RMDP) with large state spaces. The goal of the RMDP framework is to find a policy that is robust against the parameter uncertainties…

机器学习 · 计算机科学 2021-02-15 Kishan Panaganti , Dileep Kalathil

Only learning one projection matrix from original samples to the corresponding binary labels is too strict and will consequentlly lose some intrinsic geometric structures of data. In this paper, we propose a novel transition subspace…

计算机视觉与模式识别 · 计算机科学 2019-06-17 Zhe Chen , Xiao-Jun Wu , Josef Kittler

Supervisory signals have the potential to make low-dimensional data representations, like those learned by mixture and topic models, more interpretable and useful. We propose a framework for training latent variable models that explicitly…

Implicit feedback (e.g., clicks, dwell times, etc.) is an abundant source of data in human-interactive systems. While implicit feedback has many advantages (e.g., it is inexpensive to collect, user centric, and timely), its inherent biases…

信息检索 · 计算机科学 2016-08-17 Thorsten Joachims , Adith Swaminathan , Tobias Schnabel