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Evolutionary Reinforcement Learning (ERL), training the Reinforcement Learning (RL) policies with Evolutionary Algorithms (EAs), have demonstrated enhanced exploration capabilities and greater robustness than using traditional policy…

机器学习 · 计算机科学 2025-05-30 Bingdong Li , Mei Jiang , Hong Qian , Ke Tang , Aimin Zhou , Peng Yang

Convolutional Neural Networks (CNNs) have proven to be state-of-the-art models for supervised computer vision tasks, such as image classification. However, large labeled data sets are generally needed for the training and validation of such…

机器学习 · 计算机科学 2020-10-28 Patrick Hemmer , Niklas Kühl , Jakob Schöffer

Supervised machine learning often requires large training sets to train accurate models, yet obtaining large amounts of labeled data is not always feasible. Hence, it becomes crucial to explore active learning methods for reducing the size…

机器学习 · 计算机科学 2024-04-16 Ashna Jose , Emilie Devijver , Massih-Reza Amini , Noel Jakse , Roberta Poloni

High-quality labeled data are essential for reliable statistical inference, but are often limited by validation costs. While surrogate labels provide cost-effective alternatives, their noise can introduce non-negligible bias. To address…

统计方法学 · 统计学 2025-12-29 Jianmin Chen , Huiyuan Wang , Thomas Lumley , Xiaowu Dai , Yong Chen

The availability of labelled data is one of the main limitations in machine learning. We can alleviate this using weak supervision: a framework that uses expert-defined rules $\boldsymbol{\lambda}$ to estimate probabilistic labels…

机器学习 · 计算机科学 2021-05-03 Samantha Biegel , Rafah El-Khatib , Luiz Otavio Vilas Boas Oliveira , Max Baak , Nanne Aben

Acquisition of labeled training samples for affective computing is usually costly and time-consuming, as affects are intrinsically subjective, subtle and uncertain, and hence multiple human assessors are needed to evaluate each affective…

机器学习 · 计算机科学 2019-03-27 Dongrui Wu , Jian Huang

Obtaining human per-pixel labels for semantic segmentation is incredibly laborious, often making labeled dataset construction prohibitively expensive. Here, we endeavor to overcome this problem with a novel algorithm that combines…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Aneesh Rangnekar , Christopher Kanan , Matthew Hoffman

We design an active learning algorithm for cost-sensitive multiclass classification: problems where different errors have different costs. Our algorithm, COAL, makes predictions by regressing to each label's cost and predicting the…

机器学习 · 计算机科学 2021-10-13 Akshay Krishnamurthy , Alekh Agarwal , Tzu-Kuo Huang , Hal Daume , John Langford

Inspite the emerging importance of Speech Emotion Recognition (SER), the state-of-the-art accuracy is quite low and needs improvement to make commercial applications of SER viable. A key underlying reason for the low accuracy is the…

声音 · 计算机科学 2020-03-24 Siddique Latif , Rajib Rana , Sara Khalifa , Raja Jurdak , Julien Epps , Björn W. Schuller

High-fidelity simulation models are widely used to analyze complex stochastic systems, but their high computational cost motivates the development of cheaper surrogate models that approximate the simulation model's input-output…

机器学习 · 统计学 2026-05-28 Mohammadmahdi Ghasemloo , David J. Eckman , Yaxian Li

Supervised machine learning and deep learning require a large amount of labeled data, which data scientists obtain in a manual, and time-consuming annotation process. To mitigate this challenge, Active Learning (AL) proposes promising data…

计算与语言 · 计算机科学 2023-08-08 Philipp Kohl , Nils Freyer , Yoka Krämer , Henri Werth , Steffen Wolf , Bodo Kraft , Matthias Meinecke , Albert Zündorf

In the world of big data, large but costly to label datasets dominate many fields. Active learning, a semi-supervised alternative to the standard PAC-learning model, was introduced to explore whether adaptive labeling could learn concepts…

机器学习 · 计算机科学 2020-06-02 Max Hopkins , Daniel M. Kane , Shachar Lovett

Active learning (AL) is a machine learning algorithm that can achieve greater accuracy with fewer labeled training instances, for having the ability to ask oracles to label the most valuable unlabeled data chosen iteratively and…

机器学习 · 计算机科学 2022-09-30 Ruoyu Wang

Level set estimation (LSE) is the problem of identifying regions where an unknown function takes values above or below a specified threshold. Active sampling strategies for efficient LSE have primarily been studied in continuous-valued…

机器学习 · 统计学 2022-03-21 Benjamin Letham , Phillip Guan , Chase Tymms , Eytan Bakshy , Michael Shvartsman

End-to-end differentiable learning for autonomous driving (AD) has recently become a prominent paradigm. One main bottleneck lies in its voracious appetite for high-quality labeled data e.g. 3D bounding boxes and semantic segmentation,…

计算机视觉与模式识别 · 计算机科学 2024-03-06 Han Lu , Xiaosong Jia , Yichen Xie , Wenlong Liao , Xiaokang Yang , Junchi Yan

Deep learning has achieved remarkable success in graph-related tasks, yet this accomplishment heavily relies on large-scale high-quality annotated datasets. However, acquiring such datasets can be cost-prohibitive, leading to the practical…

机器学习 · 计算机科学 2024-03-11 Ling-Hao Chen , Yuanshuo Zhang , Taohua Huang , Liangcai Su , Zeyi Lin , Xi Xiao , Xiaobo Xia , Tongliang Liu

Active learning (AL) algorithms aim to identify an optimal subset of data for annotation, such that deep neural networks (DNN) can achieve better performance when trained on this labeled subset. AL is especially impactful in industrial…

计算机视觉与模式识别 · 计算机科学 2021-11-29 Zeyad Ali Sami Emam , Hong-Min Chu , Ping-Yeh Chiang , Wojciech Czaja , Richard Leapman , Micah Goldblum , Tom Goldstein

Training high-quality instance segmentation models requires an abundance of labeled images with instance masks and classifications, which is often expensive to procure. Active learning addresses this challenge by striving for optimum…

计算机视觉与模式识别 · 计算机科学 2023-09-29 Ke Yu , Stephen Albro , Giulia DeSalvo , Suraj Kothawade , Abdullah Rashwan , Sasan Tavakkol , Kayhan Batmanghelich , Xiaoqi Yin

Obtaining labeled data for machine learning tasks can be prohibitively expensive. Active learning mitigates this issue by exploring the unlabeled data space and prioritizing the selection of data that can best improve the model performance.…

机器学习 · 计算机科学 2021-04-21 Vineeth Rakesh , Swayambhoo Jain

Entity Resolution (ER) is a critical task for data integration, yet state-of-the-art supervised deep learning models remain impractical for many real-world applications due to their need for massive, expensive-to-obtain labeled datasets.…

数据库 · 计算机科学 2026-01-29 Dimitrios Karapiperis , Leonidas Akritidis , Panayiotis Bozanis , Vassilios Verykios