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The real-world data distribution is essentially long-tailed, which poses great challenge to the deep model. In this work, we propose a new method, Gradual Balanced Loss and Adaptive Feature Generator (GLAG) to alleviate imbalance. GLAG…

计算机视觉与模式识别 · 计算机科学 2022-03-02 Zihan Zhang , Xiang Xiang

In this paper, we focus on a new and challenging decentralized machine learning paradigm in which there are continuous inflows of data to be addressed and the data are stored in multiple repositories. We initiate the study of data…

计算机视觉与模式识别 · 计算机科学 2022-03-14 Xiaohan Zhang , Songlin Dong , Jinjie Chen , Qi Tian , Yihong Gong , Xiaopeng Hong

Supervised deep learning depends on massive accurately annotated examples, which is usually impractical in many real-world scenarios. A typical alternative is learning from multiple noisy annotators. Numerous earlier works assume that all…

机器学习 · 计算机科学 2022-03-09 Shikun Li , Tongliang Liu , Jiyong Tan , Dan Zeng , Shiming Ge

Intermediate features at different layers of a deep neural network are known to be discriminative for visual patterns of different complexities. However, most existing works ignore such cross-layer heterogeneities when classifying samples…

计算机视觉与模式识别 · 计算机科学 2016-07-20 Xiaojie Jin , Yunpeng Chen , Jian Dong , Jiashi Feng , Shuicheng Yan

Pseudo supervision is regarded as the core idea in semi-supervised learning for semantic segmentation, and there is always a tradeoff between utilizing only the high-quality pseudo labels and leveraging all the pseudo labels. Addressing…

计算机视觉与模式识别 · 计算机科学 2023-02-20 Siqi Fan , Fenghua Zhu , Zunlei Feng , Yisheng Lv , Mingli Song , Fei-Yue Wang

In this work, we combine the two paradigms: Federated Learning (FL) and Continual Learning (CL) for text classification task in cloud-edge continuum. The objective of Federated Continual Learning (FCL) is to improve deep learning models…

计算与语言 · 计算机科学 2023-02-14 Yatin Chaudhary , Pranav Rai , Matthias Schubert , Hinrich Schütze , Pankaj Gupta

Concept-oriented deep learning (CODL) is a general approach to meet the future challenges for deep learning: (1) learning with little or no external supervision, (2) coping with test examples that come from a different distribution than the…

机器学习 · 计算机科学 2022-02-04 Daniel T. Chang

Benchmark datasets for visual recognition assume that data is uniformly distributed, while real-world datasets obey long-tailed distribution. Current approaches handle the long-tailed problem to transform the long-tailed dataset to uniform…

计算机视觉与模式识别 · 计算机科学 2022-04-25 Renhui Zhang , Tiancheng Lin , Rui Zhang , Yi Xu

For the present engineering of neural systems, the preparing of extensive scale learning undertakings generally not just requires a huge neural system with a mind boggling preparing process yet additionally troublesome discover a…

机器学习 · 计算机科学 2019-01-23 Liyao Gao , Zehua Cheng

Learning with noisy labels (LNL) has been extensively studied, with existing approaches typically following a framework that alternates between clean sample selection and semi-supervised learning (SSL). However, this approach has a…

计算机视觉与模式识别 · 计算机科学 2023-10-25 Qing Miao , Xiaohe Wu , Chao Xu , Yanli Ji , Wangmeng Zuo , Yiwen Guo , Zhaopeng Meng

Relational learning deals with data that are characterized by relational structures. An important task is collective classification, which is to jointly classify networked objects. While it holds a great promise to produce a better accuracy…

机器学习 · 计算机科学 2016-11-30 Trang Pham , Truyen Tran , Dinh Phung , Svetha Venkatesh

Generalized Category Discovery (GCD) utilizes labeled samples of known classes to discover novel classes in unlabeled samples. Existing methods show effective performance on artificial datasets with balanced distributions. However,…

人工智能 · 计算机科学 2025-07-31 Cuong Manh Hoang

Continual learning, involving sequential training on diverse tasks, often faces catastrophic forgetting. While knowledge distillation-based approaches exhibit notable success in preventing forgetting, we pinpoint a limitation in their…

机器学习 · 计算机科学 2024-05-17 Zenglin Shi , Pei Liu , Tong Su , Yunpeng Wu , Kuien Liu , Yu Song , Meng Wang

Novel Categories Discovery (NCD) facilitates learning from a partially annotated label space and enables deep learning (DL) models to operate in an open-world setting by identifying and differentiating instances of novel classes based on…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Zahid Hasan , Masud Ahmed , Abu Zaher Md Faridee , Sanjay Purushotham , Heesung Kwon , Hyungtae Lee , Nirmalya Roy

While effective in recommendation tasks, collaborative filtering (CF) techniques face the challenge of data sparsity. Researchers have begun leveraging contrastive learning to introduce additional self-supervised signals to address this.…

信息检索 · 计算机科学 2024-02-20 Peijie Sun , Le Wu , Kun Zhang , Xiangzhi Chen , Meng Wang

Real-world visual data often exhibits a long-tailed distribution, where some ''head'' classes have a large number of samples, yet only a few samples are available for ''tail'' classes. Such imbalanced distribution causes a great challenge…

计算机视觉与模式识别 · 计算机科学 2020-03-11 Junjie Zhang , Lingqiao Liu , Peng Wang , Chunhua Shen

Heterogeneous graph neural networks (HGNNs) have demonstrated their superiority in exploiting auxiliary information for recommendation tasks. However, graphs constructed using meta-paths in HGNNs are usually too dense and contain a large…

信息检索 · 计算机科学 2025-06-02 Lei Sang , Yu Wang , Yiwen Zhang

Learning effective visual representations without human supervision is a long-standing problem in computer vision. Recent advances in self-supervised learning algorithms have utilized contrastive learning, with methods such as SimCLR, which…

计算机视觉与模式识别 · 计算机科学 2022-02-02 Jansel Herrera-Gerena , Ramakrishnan Sundareswaran , John Just , Matthew Darr , Ali Jannesari

How to enable learnability for new classes while keeping the capability well on old classes has been a crucial challenge for class incremental learning. Beyond the normal case, long-tail class incremental learning and few-shot class…

机器学习 · 计算机科学 2023-08-04 Yibo Yang , Haobo Yuan , Xiangtai Li , Jianlong Wu , Lefei Zhang , Zhouchen Lin , Philip Torr , Dacheng Tao , Bernard Ghanem

Graph contrastive learning (GCL) often suffers from false negatives, which degrades the performance on downstream tasks. The existing methods addressing the false negative issue usually rely on human prior knowledge, still leading GCL to…

机器学习 · 计算机科学 2025-05-16 Yiyang Zhao , Chengpei Wu , Lilin Zhang , Ning Yang