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Offloading time-sensitive, computationally intensive tasks-such as advanced learning algorithms for autonomous driving-from vehicles to nearby edge servers, vehicle-to-infrastructure (V2I) systems, or other collaborating vehicles via…

Networking and Internet Architecture · Computer Science 2024-08-08 Nazish Tahir , Ramviyas Parasuraman , Haijian Sun

Diffusion models have emerged as powerful generative frameworks with widespread applications across machine learning and artificial intelligence systems. While current research has predominantly focused on linear diffusions, these…

Machine Learning · Statistics 2025-10-06 Kulunu Dharmakeerthi , Yousef El-Laham , Henry H. Wong , Vamsi K. Potluru , Changhong He , Taosong He

The variance in class-wise sample sizes within long-tailed scenarios often results in degraded performance in less frequent classes. Fortunately, foundation models, pre-trained on vast open-world datasets, demonstrate strong potential for…

Computer Vision and Pattern Recognition · Computer Science 2025-07-18 Yufei Peng , Yonggang Zhang , Yiu-ming Cheung

There is an inescapable long-tailed class-imbalance issue in many real-world classification problems. Current methods for addressing this problem only consider scenarios where all examples come from the same distribution. However, in many…

Machine Learning · Computer Science 2023-10-09 Xinyu Yang , Huaxiu Yao , Allan Zhou , Chelsea Finn

In an era of information explosion, recommendation systems play an important role in people's daily life by facilitating content exploration. It is known that user activeness, i.e., number of behaviors, tends to follow a long-tail…

Information Retrieval · Computer Science 2022-08-22 Zheqi Lv , Feng Wang , Shengyu Zhang , Kun Kuang , Hongxia Yang , Fei Wu

Deep neural networks have demonstrated remarkable advancements in various fields using large, well-annotated datasets. However, real-world data often exhibit long-tailed distributions and label noise, significantly degrading generalization…

Computer Vision and Pattern Recognition · Computer Science 2024-07-25 Jae Soon Baik , In Young Yoon , Kun Hoon Kim , Jun Won Choi

Bayesian decision theory advocates the Bayes classifier as the optimal approach for minimizing the risk in machine learning problems. Current deep learning algorithms usually solve for the optimal classifier by \emph{implicitly} estimating…

Machine Learning · Computer Science 2025-07-01 Chaoqun Du , Yulin Wang , Shiji Song , Gao Huang

Long-tailed (LT) classification is an unavoidable and challenging problem in the real world. Most existing long-tailed classification methods focus only on solving the class-wise imbalance while ignoring the attribute-wise imbalance. The…

Computer Vision and Pattern Recognition · Computer Science 2024-08-16 Jinye Yang , Ji Xu , Di Wu , Jianhang Tang , Shaobo Li , Guoyin Wang

The data imbalance problem is a frequent bottleneck in the classification performance of neural networks. In this paper, we propose a novel supervised discriminative feature generation (DFG) method for a minority class dataset. DFG is based…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Sungho Suh , Paul Lukowicz , Yong Oh Lee

Real-world data tends to follow a long-tailed distribution, where the class imbalance results in dominance of the head classes during training. In this paper, we propose a frustratingly simple but effective step-wise learning framework to…

Computer Vision and Pattern Recognition · Computer Science 2023-05-23 Na Dong , Yongqiang Zhang , Mingli Ding , Gim Hee Lee

Domain Generalization (DG) seeks to train models that perform reliably on unseen target domains without access to target data during training. While recent progress in smoothing the loss landscape has improved generalization, existing…

Artificial Intelligence · Computer Science 2025-06-11 Sunny Gupta , Nikita Jangid , Shounak Das , Amit Sethi

Classical information-theoretic generalization bounds typically control the generalization gap through KL-based mutual information and therefore rely on boundedness or sub-Gaussian tails via the moment generating function (MGF). In many…

Machine Learning · Statistics 2026-04-14 Huiming Zhang , Binghan Li , Wan Tian , Qiang Sun

Deep neural networks (DNNs) have achieved significant success in various applications with large-scale and balanced data. However, data in real-world visual recognition are usually long-tailed, bringing challenges to efficient training and…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Yifan Lan , Xin Cai , Jun Cheng , Shan Tan

With the success of image generation, generative diffusion models are increasingly adopted for discriminative tasks, as pixel generation provides a unified perception interface. However, directly repurposing the generative denoising process…

Computer Vision and Pattern Recognition · Computer Science 2025-04-16 Ziqi Pang , Xin Xu , Yu-Xiong Wang

Gradient compression has surfaced as a key technique to address the challenge of communication efficiency in distributed learning. In distributed deep learning, however, it is observed that gradient distributions are heavy-tailed, with…

Machine Learning · Computer Science 2024-02-07 Guangfeng Yan , Tan Li , Yuanzhang Xiao , Hanxu Hou , Linqi Song

Most existing methods that cope with noisy labels usually assume that the class distributions are well balanced, which has insufficient capacity to deal with the practical scenarios where training samples have imbalanced distributions. To…

Computer Vision and Pattern Recognition · Computer Science 2022-09-27 Chaowei Fang , Lechao Cheng , Huiyan Qi , Dingwen Zhang

Deep generative replay has emerged as a promising approach for continual learning in decision-making tasks. This approach addresses the problem of catastrophic forgetting by leveraging the generation of trajectories from previously…

Machine Learning · Computer Science 2024-06-18 William Yue , Bo Liu , Peter Stone

The data-hungry problem, characterized by insufficiency and low-quality of data, poses obstacles for deep learning models. Transfer learning has been a feasible way to transfer knowledge from high-quality external data of source domains to…

Machine Learning · Computer Science 2023-08-21 Wendong Bi , Xueqi Cheng , Bingbing Xu , Xiaoqian Sun , Li Xu , Huawei Shen

Federated Learning (FL) has become a popular distributed learning paradigm that involves multiple clients training a global model collaboratively in a data privacy-preserving manner. However, the data samples usually follow a long-tailed…

Machine Learning · Computer Science 2023-01-27 Wenkai Yang , Deli Chen , Hao Zhou , Fandong Meng , Jie Zhou , Xu Sun

Deep neural networks often degrade significantly when training data suffer from class imbalance problems. Existing approaches, e.g., re-sampling and re-weighting, commonly address this issue by rearranging the label distribution of training…

Computer Vision and Pattern Recognition · Computer Science 2020-08-11 Renzhen Wang , Kaiqin Hu , Yanwen Zhu , Jun Shu , Qian Zhao , Deyu Meng