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相关论文: Label-Occurrence-Balanced Mixup for Long-tailed Re…

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Clients in a distributed or federated environment will often hold data skewed towards differing subsets of labels. This scenario, referred to as heterogeneous or non-iid federated learning, has been shown to significantly hinder model…

机器学习 · 计算机科学 2024-09-23 Kyle Sang , Tahseen Rabbani , Furong Huang

Label distributions in camera-trap images are highly imbalanced and long-tailed, resulting in neural networks tending to be biased towards head-classes that appear frequently. Although long-tail learning has been extremely explored to…

计算机视觉与模式识别 · 计算机科学 2022-02-17 Byeongjun Park , Jeongsoo Kim , Seungju Cho , Heeseon Kim , Changick Kim

Real-world data often follow a long-tailed distribution with a high imbalance in the number of samples between classes. The problem with training from imbalanced data is that some background features, common to all classes, can be…

计算机视觉与模式识别 · 计算机科学 2024-06-05 Sanglee Park , Seung-won Hwang , Jungmin So

MixUp is an effective data augmentation method to regularize deep neural networks via random linear interpolations between pairs of samples and their labels. It plays an important role in model regularization, semi-supervised learning and…

计算机视觉与模式识别 · 计算机科学 2019-08-28 Zhijun Mai , Guosheng Hu , Dexiong Chen , Fumin Shen , Heng Tao Shen

Large deep neural networks are powerful, but exhibit undesirable behaviors such as memorization and sensitivity to adversarial examples. In this work, we propose mixup, a simple learning principle to alleviate these issues. In essence,…

机器学习 · 计算机科学 2018-05-01 Hongyi Zhang , Moustapha Cisse , Yann N. Dauphin , David Lopez-Paz

With the rapid increase of large-scale, real-world datasets, it becomes critical to address the problem of long-tailed data distribution (i.e., a few classes account for most of the data, while most classes are under-represented). Existing…

计算机视觉与模式识别 · 计算机科学 2019-01-18 Yin Cui , Menglin Jia , Tsung-Yi Lin , Yang Song , Serge Belongie

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…

计算机视觉与模式识别 · 计算机科学 2022-07-06 Yufan Hu , Junyu Gao , Changsheng Xu

Real-world data typically follow a long-tailed distribution, where a few majority categories occupy most of the data while most minority categories contain a limited number of samples. Classification models minimizing cross-entropy struggle…

计算机视觉与模式识别 · 计算机科学 2022-09-13 Jianggang Zhu , Zheng Wang , Jingjing Chen , Yi-Ping Phoebe Chen , Yu-Gang Jiang

Data augmentation is a commonly used approach to improving the generalization of deep learning models. Recent works show that learned data augmentation policies can achieve better generalization than hand-crafted ones. However, most of…

机器学习 · 计算机科学 2021-07-14 Ya Wang , Hesen Chen , Fangyi Zhang , Yaohua Wang , Xiuyu Sun , Ming Lin , Hao Li

Mixture models are flexible tools in density estimation and classification problems. Bayesian estimation of such models typically relies on sampling from the posterior distribution using Markov chain Monte Carlo. Label switching arises…

应用统计 · 统计学 2014-03-11 Wanchuang Zhu , Yanan Fan

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…

计算机视觉与模式识别 · 计算机科学 2023-11-03 Jayateja Kalla , Soma Biswas

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…

机器学习 · 计算机科学 2023-10-09 Xinyu Yang , Huaxiu Yao , Allan Zhou , Chelsea Finn

In the real world, long-tailed data distributions are prevalent, making it challenging for models to effectively learn and classify tail classes. However, we discover that in the field of drug chemistry, certain tail classes exhibit higher…

机器学习 · 计算机科学 2025-04-08 Yujia Su , Xinjie Li , Lionel Z. Wang

The success of deep learning depends on large-scale and well-curated training data, while data in real-world applications are commonly long-tailed and noisy. Many methods have been proposed to deal with long-tailed data or noisy data, while…

机器学习 · 计算机科学 2023-05-30 Lefan Zhang , Zhang-Hao Tian , Wujun Zhou , Wei Wang

In this paper, our goal is to design a simple learning paradigm for long-tail visual recognition, which not only improves the robustness of the feature extractor but also alleviates the bias of the classifier towards head classes while…

计算机视觉与模式识别 · 计算机科学 2023-05-16 Fei Du , Peng Yang , Qi Jia , Fengtao Nan , Xiaoting Chen , Yun Yang

Long-tailed recognition is ubiquitous and challenging in deep learning and even in the downstream finetuning of foundation models, since the skew class distribution generally prevents the model generalization to the tail classes. Despite…

机器学习 · 计算机科学 2025-10-10 Jiaan Luo , Feng Hong , Qiang Hu , Xiaofeng Cao , Feng Liu , Jiangchao Yao

Mixup is an efficient data augmentation approach that improves the generalization of neural networks by smoothing the decision boundary with mixed data. Recently, dynamic mixup methods have improved previous static policies effectively…

机器学习 · 计算机科学 2023-10-24 Zicheng Liu , Siyuan Li , Ge Wang , Cheng Tan , Lirong Wu , Stan Z. Li

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…

计算机视觉与模式识别 · 计算机科学 2024-02-19 Divin Yan , Lu Qi , Vincent Tao Hu , Ming-Hsuan Yang , Meng Tang

Label ranking is a prediction task which deals with learning a mapping between an instance and a ranking (i.e., order) of labels from a finite set, representing their relevance to the instance. Boosting is a well-known and reliable ensemble…

机器学习 · 计算机科学 2020-09-24 Lihi Dery , Erez Shmueli

Dataset distillation aims to synthesize a small, information-rich dataset from a large one for efficient model training. However, existing dataset distillation methods struggle with long-tailed datasets, which are prevalent in real-world…

机器学习 · 计算机科学 2025-03-20 Zhenghao Zhao , Haoxuan Wang , Yuzhang Shang , Kai Wang , Yan Yan