中文
相关论文

相关论文: GAT-RWOS: Graph Attention-Guided Random Walk Overs…

200 篇论文

To address the modality learning degeneration caused by modality imbalance, existing multimodal learning~(MML) approaches primarily attempt to balance the optimization process of each modality from the perspective of model learning.…

机器学习 · 计算机科学 2025-03-07 Qingyuan Jiang , Zhouyang Chi , Xiao Ma , Qirong Mao , Yang Yang , Jinhui Tang

The location fingerprinting method, which typically utilizes supervised learning, has been widely adopted as a viable solution for the indoor positioning problem. Many indoor positioning datasets are imbalanced. Models trained on imbalanced…

信号处理 · 电气工程与系统科学 2021-09-01 Fahad Alhomayani , Mohammad H. Mahoor

Computational offloading has become an enabling component for edge intelligence in mobile and smart devices. Existing offloading schemes mainly focus on mobile devices and servers, while ignoring the potential network congestion caused by…

网络与互联网体系结构 · 计算机科学 2024-01-23 Zhongyuan Zhao , Jake Perazzone , Gunjan Verma , Santiago Segarra

In unsupervised domain adaptation (UDA), where models are trained on source data (e.g., synthetic) and adapted to target data (e.g., real-world) without target annotations, addressing the challenge of significant class imbalance remains an…

计算机视觉与模式识别 · 计算机科学 2024-07-02 Roberto Alcover-Couso , Marcos Escudero-Viñolo , Juan C. SanMiguel , Jesus Bescós

In this study, we systematically investigate the impact of class imbalance on classification performance of convolutional neural networks (CNNs) and compare frequently used methods to address the issue. Class imbalance is a common problem…

计算机视觉与模式识别 · 计算机科学 2018-10-16 Mateusz Buda , Atsuto Maki , Maciej A. Mazurowski

Class imbalance in machine learning poses a significant challenge, as skewed datasets often hinder performance on minority classes. Traditional oversampling techniques, which are commonly used to alleviate class imbalance, have several…

机器学习 · 计算机科学 2025-09-09 Sukumar Kishanthan , Asela Hevapathige

The present study introduces a method for improving the classification performance of imbalanced multiclass data streams from wireless body worn sensors. Data imbalance is an inherent problem in activity recognition caused by the irregular…

机器学习 · 计算机科学 2016-03-14 Roberto L. Shinmoto Torres , Damith C. Ranasinghe , Qinfeng Shi , Anton van den Hengel

With the abundance of industrial datasets, imbalanced classification has become a common problem in several application domains. Oversampling is an effective method to solve imbalanced classification. One of the main challenges of the…

机器学习 · 计算机科学 2022-07-18 Min Qian , Yan-Fu Li

Trajectory prediction has been a long-standing problem in intelligent systems like autonomous driving and robot navigation. Models trained on large-scale benchmarks have made significant progress in improving prediction accuracy. However,…

机器人学 · 计算机科学 2023-06-21 Hao Cheng , Mengmeng Liu , Lin Chen , Hellward Broszio , Monika Sester , Michael Ying Yang

The collected data from industrial machines are often imbalanced, which poses a negative effect on learning algorithms. However, this problem becomes more challenging for a mixed type of data or while there is overlapping between classes.…

计算机视觉与模式识别 · 计算机科学 2020-08-10 Masoumeh Zareapoor , Pourya Shamsolmoali , Jie Yang

Deep learning models suffer from catastrophic forgetting when learning new tasks incrementally. Incremental learning has been proposed to retain the knowledge of old classes while learning to identify new classes. A typical approach is to…

计算机视觉与模式识别 · 计算机科学 2022-07-14 Huitong Chen , Yu Wang , Qinghua Hu

Apart from assessing individual asset performance, investors in financial markets also need to consider how a set of firms performs collectively as a portfolio. Whereas traditional Markowitz-based mean-variance portfolios are widespread,…

投资组合管理 · 定量金融 2025-02-05 Kamesh Korangi , Christophe Mues , Cristián Bravo

Class imbalance has emerged as one of the major challenges for medical image segmentation. The model cascade (MC) strategy significantly alleviates the class imbalance issue via running a set of individual deep models for coarse-to-fine…

计算机视觉与模式识别 · 计算机科学 2020-04-22 Chenhong Zhou , Changxing Ding , Xinchao Wang , Zhentai Lu , Dacheng Tao

The analysis of large collections of image data is still a challenging problem due to the difficulty of capturing the true concepts in visual data. The similarity between images could be computed using different and possibly multimodal…

信息检索 · 计算机科学 2017-03-07 Renata Khasanova , Xiaowen Dong , Pascal Frossard

Class-imbalanced graph node classification is a practical yet underexplored research problem. Although recent studies have attempted to address this issue, they typically assume clean and reliable labels when processing class-imbalanced…

机器学习 · 计算机科学 2025-07-28 Riting Xia , Rucong Wang , Yulin Liu , Anchen Li , Xueyan Liu , Yan Zhang

Imbalanced data pose challenges for deep learning based classification models. One of the most widely-used approaches for tackling imbalanced data is re-weighting, where training samples are associated with different weights in the loss…

机器学习 · 计算机科学 2022-08-08 Dandan Guo , Zhuo Li , Meixi Zheng , He Zhao , Mingyuan Zhou , Hongyuan Zha

Internet services have led to the eruption of network traffic, and machine learning on these Internet data has become an indispensable tool, especially when the application is risk-sensitive. This paper focuses on network traffic…

机器学习 · 统计学 2025-02-12 Wumei Du , Dong Liang , Yiqin Lv , Xingxing Liang , Guanlin Wu , Qi Wang , Zheng Xie

Class imbalance in graph data presents significant challenges for node classification. While existing methods, such as SMOTE-based approaches, partially mitigate this issue, they still exhibit limitations in constructing imbalanced graphs.…

机器学习 · 计算机科学 2024-03-28 Yulan Hu , Sheng Ouyang , Zhirui Yang , Yong Liu

Class imbalance in graph-structured data, where minor classes are significantly underrepresented, poses a critical challenge for Graph Neural Networks (GNNs). To address this challenge, existing studies generally generate new minority nodes…

机器学习 · 计算机科学 2024-02-21 Qian Wang , Zemin Liu , Zhen Zhang , Bingsheng He

Spurious correlations that lead models to correct predictions for the wrong reasons pose a critical challenge for robust real-world generalization. Existing research attributes this issue to group imbalance and addresses it by maximizing…

机器学习 · 计算机科学 2025-12-02 Miaoyun Zhao , Chenrong Li , Qiang Zhang