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We consider the problem of OOD generalization, where the goal is to train a model that performs well on test distributions that are different from the training distribution. Deep learning models are known to be fragile to such shifts and…

机器学习 · 计算机科学 2022-08-22 Anshul Nasery , Sravanti Addepalli , Praneeth Netrapalli , Prateek Jain

We answer the question in the title, showing that adversarial training (AT) for diffusion models (DMs) fundamentally differs from classifiers: while AT in classifiers enforces output invariance, AT in DMs requires equivariance to keep the…

计算机视觉与模式识别 · 计算机科学 2025-05-29 Briglia Maria Rosaria , Mujtaba Hussain Mirza , Giuseppe Lisanti , Iacopo Masi

We present a novel variant of Domain Adversarial Networks with impactful improvements to the loss functions, training paradigm, and hyperparameter optimization. New loss functions are defined for both forks of the DANN network, the label…

机器学习 · 计算机科学 2020-11-24 Tom Grimes , Eric Church , William Pitts , Lynn Wood , Eva Brayfindley , Luke Erikson , Mark Greaves

Numerous researches have proved that deep neural networks (DNNs) can fit everything in the end even given data with noisy labels, and result in poor generalization performance. However, recent studies suggest that DNNs tend to gradually…

机器学习 · 计算机科学 2021-04-07 Hao Yang , Youzhi Jin , Ziyin Li , Deng-Bao Wang , Lei Miao , Xin Geng , Min-Ling Zhang

Label noise is a critical factor that degrades the generalization performance of deep neural networks, thus leading to severe issues in real-world problems. Existing studies have employed strategies based on either loss or uncertainty to…

机器学习 · 计算机科学 2020-08-17 Wonyoung Shin , Jung-Woo Ha , Shengzhe Li , Yongwoo Cho , Hoyean Song , Sunyoung Kwon

Noise in data appears to be inevitable in most real-world machine learning applications and would cause severe overfitting problems. Not only can data features contain noise, but labels are also prone to be noisy due to human input. In this…

机器学习 · 计算机科学 2025-05-09 Weipeng Huang , Qin Li , Yang Xiao , Cheng Qiao , Tie Cai , Junwei Liang , Neil J. Hurley , Guangyuan Piao

Current deep neural networks (DNNs) are vulnerable to adversarial attacks, where adversarial perturbations to the inputs can change or manipulate classification. To defend against such attacks, an effective and popular approach, known as…

机器学习 · 计算机科学 2022-09-08 Gaoyuan Zhang , Songtao Lu , Yihua Zhang , Xiangyi Chen , Pin-Yu Chen , Quanfu Fan , Lee Martie , Lior Horesh , Mingyi Hong , Sijia Liu

Deep neural network-based classifiers trained with the categorical cross-entropy (CCE) loss are sensitive to label noise in the training data. One common type of method that can mitigate the impact of label noise can be viewed as supervised…

计算机视觉与模式识别 · 计算机科学 2021-04-20 Aritra Ghosh , Andrew Lan

Deep learning models usually require a large amount of labeled data to achieve satisfactory performance. In multimedia analysis, domain adaptation studies the problem of cross-domain knowledge transfer from a label rich source domain to a…

计算机视觉与模式识别 · 计算机科学 2021-09-10 Lei Zhu , Zhaojing Luo , Wei Wang , Meihui Zhang , Gang Chen , Kaiping Zheng

Label smoothing is widely used in deep neural networks for multi-class classification. While it enhances model generalization and reduces overconfidence by aiming to lower the probability for the predicted class, it distorts the predicted…

机器学习 · 计算机科学 2021-10-12 Mohamed Maher , Meelis Kull

Overfitting commonly occurs when applying deep neural networks (DNNs) on small-scale datasets, where DNNs do not generalize well from existing data to unseen data. The main reason resulting in overfitting is that small-scale datasets cannot…

机器学习 · 计算机科学 2024-08-12 Yangdi Wang , Zhi-Hai Zhang , Su Xiu Xu , Wenming Guo

Deep neural networks are highly susceptible to overfitting noisy labels, which leads to degraded performance. Existing methods address this issue by employing manually defined criteria, aiming to achieve optimal partitioning in each…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Wenzhen Zhang , Debo Cheng , Guangquan Lu , Bo Zhou , Jiaye Li , Shichao Zhang

We motivate weakly supervised learning as an effective learning paradigm for problems where curating perfectly annotated datasets is expensive and may require domain expertise such as fine-grained classification. We focus on Partial Label…

计算机视觉与模式识别 · 计算机科学 2025-06-09 Darshana Saravanan , Naresh Manwani , Vineet Gandhi

Learning from noisy labels is a challenge that arises in many real-world applications where training data can contain incorrect or corrupted labels. When fine-tuning language models with noisy labels, models can easily overfit the label…

计算与语言 · 计算机科学 2023-06-14 Yuchen Zhuang , Yue Yu , Lingkai Kong , Xiang Chen , Chao Zhang

Adversarial training for LLMs is one of the most promising methods to reliably improve robustness against adversaries. However, despite significant progress, models remain vulnerable to simple in-distribution exploits, such as rewriting…

机器学习 · 计算机科学 2026-02-19 Chengzhi Hu , Jonas Dornbusch , David Lüdke , Stephan Günnemann , Leo Schwinn

Training deep neural networks (DNNs) in the presence of noisy labels is an important and challenging task. Probabilistic modeling, which consists of a classifier and a transition matrix, depicts the transformation from true labels to noisy…

计算机视觉与模式识别 · 计算机科学 2020-03-27 Xianbin Lv , Dongxian Wu , Shu-Tao Xia

Noisy labels are an unavoidable consequence of labeling processes and detecting them is an important step towards preventing performance degradations in Convolutional Neural Networks. Discarding noisy labels avoids a harmful memorization,…

计算机视觉与模式识别 · 计算机科学 2020-07-28 Diego Ortego , Eric Arazo , Paul Albert , Noel E. O'Connor , Kevin McGuinness

Label Smoothing (LS) is an effective regularizer to improve the generalization of state-of-the-art deep models. For each training sample the LS strategy smooths the one-hot encoded training signal by distributing its distribution mass over…

机器学习 · 计算机科学 2020-12-04 Hongyu Guo

We consider the problem of training a model under the presence of label noise. Current approaches identify samples with potentially incorrect labels and reduce their influence on the learning process by either assigning lower weights to…

机器学习 · 计算机科学 2019-06-04 Duc Tam Nguyen , Thi-Phuong-Nhung Ngo , Zhongyu Lou , Michael Klar , Laura Beggel , Thomas Brox

Learning in the presence of label noise is a challenging yet important task: it is crucial to design models that are robust in the presence of mislabeled datasets. In this paper, we discover that a new class of loss functions called the…

机器学习 · 计算机科学 2020-02-18 Liu Ziyin , Blair Chen , Ru Wang , Paul Pu Liang , Ruslan Salakhutdinov , Louis-Philippe Morency , Masahito Ueda