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The strategy of combining diffusion-based generative models with classifiers continues to demonstrate state-of-the-art performance on adversarial robustness benchmarks. Known as adversarial purification, this exploits a diffusion model's…

密码学与安全 · 计算机科学 2026-01-06 David D. Nguyen , The-Anh Ta , Yansong Gao , Alsharif Abuadbba

The Deep neural networks (DNNs) have achieved great success on a variety of computer vision tasks, however, they are highly vulnerable to adversarial attacks. To address this problem, we propose to improve the local smoothness of the…

计算机视觉与模式识别 · 计算机科学 2019-09-23 Yaoyao Zhong , Weihong Deng

Image classification systems recently made a giant leap with the advancement of deep neural networks. However, these systems require an excessive amount of labeled data to be adequately trained. Gathering a correctly annotated dataset is…

机器学习 · 计算机科学 2021-01-19 Görkem Algan , Ilkay Ulusoy

Weak supervision (WS) is a rich set of techniques that produce pseudolabels by aggregating easily obtained but potentially noisy label estimates from a variety of sources. WS is theoretically well understood for binary classification, where…

机器学习 · 计算机科学 2022-11-28 Harit Vishwakarma , Nicholas Roberts , Frederic Sala

In many classification problems, collecting massive clean-annotated data is not easy, and thus a lot of researches have been done to handle data with noisy labels. Most recent state-of-art solutions for noisy label problems are built on the…

机器学习 · 计算机科学 2021-06-30 Dongha Kim , Yongchan Choi , Kunwoong Kim , Yongdai Kim

We consider the learning from noisy labels (NL) problem which emerges in many real-world applications. In addition to the widely-studied synthetic noise in the NL literature, we also consider the pseudo labels in semi-supervised learning…

计算机视觉与模式识别 · 计算机科学 2019-09-13 Tsung Wei Tsai , Chongxuan Li , Jun Zhu

We propose REpresentation-Aware Distributionally Robust Estimation (READ), a novel framework for Wasserstein distributionally robust learning that accounts for predictive representations when guarding against distributional shifts. Unlike…

统计方法学 · 统计学 2025-09-12 Zitao Wang , Nian Si , Molei Liu

Deep neural networks are susceptible to label noise. Existing methods to improve robustness, such as meta-learning and regularization, usually require significant change to the network architecture or careful tuning of the optimization…

机器学习 · 计算机科学 2022-05-31 Li Chen , Ningyuan Huang , Cong Mu , Hayden S. Helm , Kate Lytvynets , Weiwei Yang , Carey E. Priebe

In this paper, we study the problem of learning image classification models with label noise. Existing approaches depending on human supervision are generally not scalable as manually identifying correct or incorrect labels is…

计算机视觉与模式识别 · 计算机科学 2018-03-28 Kuang-Huei Lee , Xiaodong He , Lei Zhang , Linjun Yang

Learning from examples with noisy labels has attracted increasing attention recently. But, this paper will show that the commonly used CIFAR-based datasets and the accuracy evaluation metric used in the literature are both inappropriate in…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Yifan Zhou , Yifan Ge , Jianxin Wu

Recently, substantial progress has been made in language modeling by using deep neural networks. However, in practice, large scale neural language models have been shown to be prone to overfitting. In this paper, we present a simple yet…

机器学习 · 计算机科学 2019-09-10 Dilin Wang , Chengyue Gong , Qiang Liu

Label-noise learning (LNL) aims to increase the model's generalization given training data with noisy labels. To facilitate practical LNL algorithms, researchers have proposed different label noise types, ranging from class-conditional to…

机器学习 · 计算机科学 2024-02-13 Jingfeng Zhang , Bo Song , Haohan Wang , Bo Han , Tongliang Liu , Lei Liu , Masashi Sugiyama

We introduce a new algorithm named WGAN, an alternative to traditional GAN training. In this new model, we show that we can improve the stability of learning, get rid of problems like mode collapse, and provide meaningful learning curves…

机器学习 · 统计学 2017-12-08 Martin Arjovsky , Soumith Chintala , Léon Bottou

This paper targets the task with discrete and periodic class labels ($e.g.,$ pose/orientation estimation) in the context of deep learning. The commonly used cross-entropy or regression loss is not well matched to this problem as they ignore…

计算机视觉与模式识别 · 计算机科学 2019-11-05 Xiaofeng Liu , Yang Zou , Tong Che , Peng Ding , Ping Jia , Jane You , Kumar B. V. K

Today's available datasets in the wild, e.g., from social media and open platforms, present tremendous opportunities and challenges for deep learning, as there is a significant portion of tagged images, but often with noisy, i.e. erroneous,…

机器学习 · 计算机科学 2020-07-14 Amirmasoud Ghiassi , Robert Birke , Rui Han , Lydia Y. Chen

In many domains, collecting sufficient labeled training data for supervised machine learning requires easily accessible but noisy sources, such as crowdsourcing services or tagged Web data. Noisy labels occur frequently in data sets…

机器学习 · 计算机科学 2018-11-16 Matthew Klawonn , Eric Heim , James Hendler

Understanding the simultaneously very diverse and intricately fine-grained set of possible human actions is a critical open problem in computer vision. Manually labeling training videos is feasible for some action classes but doesn't scale…

计算机视觉与模式识别 · 计算机科学 2017-06-12 Serena Yeung , Vignesh Ramanathan , Olga Russakovsky , Liyue Shen , Greg Mori , Li Fei-Fei

In this paper, we introduced the novel concept of advisor network to address the problem of noisy labels in image classification. Deep neural networks (DNN) are prone to performance reduction and overfitting problems on training data with…

计算机视觉与模式识别 · 计算机科学 2024-08-19 Simone Ricci , Tiberio Uricchio , Alberto Del Bimbo

Many state-of-the-art noisy-label learning methods rely on learning mechanisms that estimate the samples' clean labels during training and discard their original noisy labels. However, this approach prevents the learning of the relationship…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Brandon Smart , Gustavo Carneiro

How to improve discriminative feature learning is central in classification. Existing works address this problem by explicitly increasing inter-class separability and intra-class similarity, whether by constructing positive and negative…

机器学习 · 计算机科学 2024-08-21 Qingsong Zhao , Yi Wang , Shuguang Dou , Chen Gong , Yin Wang , Cairong Zhao