English
Related papers

Related papers: Deep Representation Learning on Long-tailed Data: …

200 papers

This paper introduces a two-stage framework designed to enhance long-tail class incremental learning, enabling the model to progressively learn new classes, while mitigating catastrophic forgetting in the context of long-tailed data…

Computer Vision and Pattern Recognition · Computer Science 2023-11-03 Jayateja Kalla , Soma Biswas

The imbalanced distribution of long-tailed data presents a considerable challenge for deep learning models, as it causes them to prioritize the accurate classification of head classes but largely disregard tail classes. The biased decision…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Mengke Li , Zhikai Hu , Yang Lu , Weichao Lan , Yiu-ming Cheung , Hui Huang

Balancing training on long-tail data distributions remains a long-standing challenge in deep learning. While methods such as re-weighting and re-sampling help alleviate the imbalance issue, limited sample diversity continues to hinder…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Shizhen Zhao , Xin Wen , Jiahui Liu , Chuofan Ma , Chunfeng Yuan , Xiaojuan Qi

Long-tailed data is still a big challenge for deep neural networks, even though they have achieved great success on balanced data. We observe that vanilla training on long-tailed data with cross-entropy loss makes the instance-rich head…

Computer Vision and Pattern Recognition · Computer Science 2023-05-22 Mengke Li , Yiu-ming Cheung , Yang Lu

Real-world data usually present long-tailed distributions. Training on imbalanced data tends to render neural networks perform well on head classes while much worse on tail classes. The severe sparseness of training instances for the tail…

Machine Learning · Computer Science 2021-11-10 Chaozheng Wang , Shuzheng Gao , Cuiyun Gao , Pengyun Wang , Wenjie Pei , Lujia Pan , Zenglin Xu

The heavy reliance on data is one of the major reasons that currently limit the development of deep learning. Data quality directly dominates the effect of deep learning models, and the long-tailed distribution is one of the factors…

Computer Vision and Pattern Recognition · Computer Science 2022-05-30 Lu Yang , He Jiang , Qing Song , Jun Guo

The imbalance (or long-tail) is the nature of many real-world data distributions, which often induces the undesirable bias of deep classification models toward frequent classes, resulting in poor performance for tail classes. In this paper,…

Machine Learning · Computer Science 2025-10-13 Fudong Lin , Xu Yuan

Modern image classifiers perform well on populated classes, while degrading considerably on tail classes with only a few instances. Humans, by contrast, effortlessly handle the long-tailed recognition challenge, since they can learn the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Yingjun Du , Jiayi Shen , Xiantong Zhen , Cees G. M. Snoek

We propose a simple data model inspired from natural data such as text or images, and use it to study the importance of learning features in order to achieve good generalization. Our data model follows a long-tailed distribution in the…

Machine Learning · Computer Science 2023-01-02 Thomas Laurent , James H. von Brecht , Xavier Bresson

Most existing state-of-the-art video classification methods assume that the training data obey a uniform distribution. However, video data in the real world typically exhibit an imbalanced long-tailed class distribution, resulting in a…

Computer Vision and Pattern Recognition · Computer Science 2022-07-06 Yufan Hu , Junyu Gao , Changsheng Xu

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…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Saurabh Sharma , Ning Yu , Mario Fritz , Bernt Schiele

In this work, we introduce a novel strategy for long-tail recognition that addresses the tail classes' few-shot problem via training-free knowledge transfer. Our objective is to transfer knowledge acquired from information-rich common…

Computer Vision and Pattern Recognition · Computer Science 2022-04-13 Sarah Parisot , Pedro M. Esperanca , Steven McDonagh , Tamas J. Madarasz , Yongxin Yang , Zhenguo Li

Real-world data often exhibits long tail distributions with heavy class imbalance, where the majority classes can dominate the training process and alter the decision boundaries of the minority classes. Recently, researchers have…

Computer Vision and Pattern Recognition · Computer Science 2022-05-03 Tianhong Li , Peng Cao , Yuan Yuan , Lijie Fan , Yuzhe Yang , Rogerio Feris , Piotr Indyk , Dina Katabi

The imbalanced distribution of long-tailed data presents a significant challenge for deep learning models, causing them to prioritize head classes while neglecting tail classes. Two key factors contributing to low recognition accuracy are…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Mengke Li , Zhikai Hu , Yang Lu , Weichao Lan , Yiu-ming Cheung , Hui Huang

In real-world scenarios, where knowledge distributions exhibit long-tail. Humans manage to master knowledge uniformly across imbalanced distributions, a feat attributed to their diligent practices of reviewing, summarizing, and correcting…

Computer Vision and Pattern Recognition · Computer Science 2024-09-16 Qihao Zhao , Yalun Dai , Shen Lin , Wei Hu , Fan Zhang , Jun Liu

Long-tailed imbalance distribution is a common issue in practical computer vision applications. Previous works proposed methods to address this problem, which can be categorized into several classes: re-sampling, re-weighting, transfer…

Computer Vision and Pattern Recognition · Computer Science 2024-04-24 Pengxiao Han , Changkun Ye , Jieming Zhou , Jing Zhang , Jie Hong , Xuesong Li

Although deep neural networks achieve tremendous success on various classification tasks, the generalization ability drops sheer when training datasets exhibit long-tailed distributions. One of the reasons is that the learned…

Machine Learning · Computer Science 2023-02-27 Xuantong Liu , Jianfeng Zhang , Tianyang Hu , He Cao , Lujia Pan , Yuan Yao

Diffusion models have made significant advances recently in high-quality image synthesis and related tasks. However, diffusion models trained on real-world datasets, which often follow long-tailed distributions, yield inferior fidelity for…

Computer Vision and Pattern Recognition · Computer Science 2024-02-19 Divin Yan , Lu Qi , Vincent Tao Hu , Ming-Hsuan Yang , Meng Tang

In vision domain, large-scale natural datasets typically exhibit long-tailed distribution which has large class imbalance between head and tail classes. This distribution poses difficulty in learning good representations for tail classes.…

Computer Vision and Pattern Recognition · Computer Science 2023-05-05 Anthony Meng Huat Tiong , Junnan Li , Guosheng Lin , Boyang Li , Caiming Xiong , Steven C. H. Hoi

Diffusion models have achieved impressive performance in generating high-quality and diverse synthetic data. However, their success typically assumes a class-balanced training distribution. In real-world settings, multi-class data often…