中文
相关论文

相关论文: A Systematic Study of Online Class Imbalance Learn…

200 篇论文

This paper introduces a new approach to address the issue of class imbalance in graph neural networks (GNNs) for learning on graph-structured data. Our approach integrates imbalanced node classification and Bias-Variance Decomposition,…

机器学习 · 计算机科学 2025-02-26 Liang Yan , Gengchen Wei , Chen Yang , Shengzhong Zhang , Zengfeng Huang

Deep learning enables impressive performance in image recognition using large-scale artificially-balanced datasets. However, real-world datasets exhibit highly class-imbalanced distributions, yielding two main challenges: relative imbalance…

计算机视觉与模式识别 · 计算机科学 2020-10-20 Saurabh Sharma , Ning Yu , Mario Fritz , Bernt Schiele

Many real-world applications adopt multi-label data streams as the need for algorithms to deal with rapidly changing data increases. Changes in data distribution, also known as concept drift, cause the existing classification models to…

机器学习 · 计算机科学 2022-02-02 Ege Berkay Gulcan , Fazli Can

Deep convolutional neural networks have made significant breakthroughs in medical image classification, under the assumption that training samples from all classes are simultaneously available. However, in real-world medical scenarios,…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Xuze Hao , Wenqian Ni , Xuhao Jiang , Weimin Tan , Bo Yan

Incremental Learning (IL) allows AI systems to adapt to streamed data. Most existing algorithms make two strong hypotheses which reduce the realism of the incremental scenario: (1) new data are assumed to be readily annotated when streamed…

计算机视觉与模式识别 · 计算机科学 2020-08-26 Eden Belouadah , Adrian Popescu , Umang Aggarwal , Léo Saci

Intelligent diagnosis method based on data-driven and deep learning is an attractive and meaningful field in recent years. However, in practical application scenarios, the imbalance of time-series fault is an urgent problem to be solved.…

机器学习 · 计算机科学 2021-07-15 Xingtai Gui , Jiyang Zhang

Neural networks trained with class-imbalanced data are known to perform poorly on minor classes of scarce training data. Several recent works attribute this to over-fitting to minor classes. In this paper, we provide a novel explanation of…

机器学习 · 计算机科学 2021-10-12 Han-Jia Ye , De-Chuan Zhan , Wei-Lun Chao

We present an efficient distributed online learning scheme to classify data captured from distributed, heterogeneous, and dynamic data sources. Our scheme consists of multiple distributed local learners, that analyze different streams of…

机器学习 · 计算机科学 2013-08-27 Luca Canzian , Yu Zhang , Mihaela van der Schaar

Class-Incremental Learning (CIL) trains a model to continually recognize new classes from non-stationary data while retaining learned knowledge. A major challenge of CIL arises when applying to real-world data characterized by non-uniform…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Jiangpeng He , Fengqing Zhu

The notion of concept drift refers to the phenomenon that the distribution, which is underlying the observed data, changes over time; as a consequence machine learning models may become inaccurate and need adjustment. Many unsupervised…

机器学习 · 计算机科学 2022-02-22 Fabian Hinder , Valerie Vaquet , Barbara Hammer

Deep learning approaches are successful in a wide range of AI problems and in particular for visual recognition tasks. However, there are still open problems among which is the capacity to handle streams of visual information and the…

机器学习 · 计算机科学 2022-02-02 Umang Aggarwal , Adrian Popescu , Eden Belouadah , Céline Hudelot

Class-imbalance refers to classification problems in which many more instances are available for certain classes than for others. Such imbalanced datasets require special attention because traditional classifiers generally favor the…

机器学习 · 计算机科学 2018-11-30 Rafael M. O. Cruz , Mariana A. Souza , Robert Sabourin , George D. C. Cavalcanti

The goal of a learner in standard online learning is to maintain an average loss close to the loss of the best-performing single function in some class. In many real-world problems, such as rating or ranking items, there is no single best…

机器学习 · 计算机科学 2013-03-18 Edward Moroshko , Koby Crammer

The unique characteristics of text data make classification tasks a complex problem. Advances in unsupervised and semi-supervised learning and autoencoder architectures addressed several challenges. However, they still struggle with…

计算与语言 · 计算机科学 2024-10-30 Grigorii Khvatskii , Nuno Moniz , Khoa Doan , Nitesh V Chawla

The amount of real-time communication between agents in an information system has increased rapidly since the beginning of the decade. This is because the use of these systems, e. g. social media, has become commonplace in today's society.…

机器学习 · 计算机科学 2020-07-13 Christoph Raab , Moritz Heusinger , Frank-Michael Schleif

Class-imbalance refers to classification problems in which many more instances are available for certain classes than for others. Such imbalanced datasets require special attention because traditional classifiers generally favor the…

机器学习 · 统计学 2018-11-30 Rafael M. O. Cruz , Robert Sabourin , George D. C. Cavalcanti

Despite the success of contrastive learning (CL) in vision and language, its theoretical foundations and mechanisms for building representations remain poorly understood. In this work, we build connections between noise contrastive…

机器学习 · 计算机科学 2025-02-28 Zihao Chen , Chi-Heng Lin , Ran Liu , Jingyun Xiao , Eva L Dyer

In the evolving landscape of machine learning (ML), Federated Learning (FL) presents a paradigm shift towards decentralized model training while preserving user data privacy. This paper introduces the concept of ``privacy drift", an…

Automated driving object detection has always been a challenging task in computer vision due to environmental uncertainties. These uncertainties include significant differences in object sizes and encountering the class unseen. It may…

计算机视觉与模式识别 · 计算机科学 2023-11-28 Zezhou Wang , Guitao Cao , Xidong Xi , Jiangtao Wang

The basic underlying assumption of machine learning (ML) models is that the training and test data are sampled from the same distribution. However, in daily practice, this assumption is often broken, i.e. the distribution of the test data…

‹ 上一页 1 8 9 10 下一页 ›