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In the real world, data is often noisy, affecting not only the quality of features but also the accuracy of labels. Current research on mitigating label errors stems primarily from advances in deep learning, and a gap exists in exploring…

机器学习 · 计算机科学 2024-05-29 Lukasz Sztukiewicz , Jack Henry Good , Artur Dubrawski

Labelling of data for supervised learning can be costly and time-consuming and the risk of incorporating label noise in large data sets is imminent. When training a flexible discriminative model using a strictly proper loss, such noise will…

机器学习 · 统计学 2022-05-13 Amanda Olmin , Fredrik Lindsten

This study explores the robustness of label noise classifiers, aiming to enhance model resilience against noisy data in complex real-world scenarios. Label noise in supervised learning, characterized by erroneous or imprecise labels,…

机器学习 · 计算机科学 2023-12-13 Cheng Zeng , Yixuan Xu , Jiaqi Tian

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

Deep Neural Networks (DNNs) have been shown to be susceptible to memorization or overfitting in the presence of noisily-labelled data. For the problem of robust learning under such noisy data, several algorithms have been proposed. A…

机器学习 · 计算机科学 2022-12-06 Deep Patel , P. S. Sastry

Noisy labels are inevitable in large real-world datasets. In this work, we explore an area understudied by previous works -- how the network's architecture impacts its robustness to noisy labels. We provide a formal framework connecting the…

机器学习 · 计算机科学 2021-11-30 Jingling Li , Mozhi Zhang , Keyulu Xu , John P. Dickerson , Jimmy Ba

Deep neural networks (DNNs) are capable of perfectly fitting the training data, including memorizing noisy data. It is commonly believed that memorization hurts generalization. Therefore, many recent works propose mitigation strategies to…

机器学习 · 统计学 2022-10-28 Carey E. Priebe , Ningyuan Huang , Soledad Villar , Cong Mu , Li Chen

Machine learning classifiers have been demonstrated, both empirically and theoretically, to be robust to label noise under certain conditions -- notably the typical assumption is that label noise is independent of the features given the…

机器学习 · 计算机科学 2022-06-03 Diane Oyen , Michal Kucer , Nick Hengartner , Har Simrat Singh

Deep learning has achieved remarkable success in numerous domains with help from large amounts of big data. However, the quality of data labels is a concern because of the lack of high-quality labels in many real-world scenarios. As noisy…

机器学习 · 计算机科学 2022-03-11 Hwanjun Song , Minseok Kim , Dongmin Park , Yooju Shin , Jae-Gil Lee

For multi-class classification under class-conditional label noise, we prove that the accuracy metric itself can be robust. We concretize this finding's inspiration in two essential aspects: training and validation, with which we address…

机器学习 · 计算机科学 2020-12-09 Pengfei Chen , Junjie Ye , Guangyong Chen , Jingwei Zhao , Pheng-Ann Heng

We show when maximizing a properly defined $f$-divergence measure with respect to a classifier's predictions and the supervised labels is robust with label noise. Leveraging its variational form, we derive a nice decoupling property for a…

机器学习 · 计算机科学 2021-08-20 Jiaheng Wei , Yang Liu

In many applications of classifier learning, training data suffers from label noise. Deep networks are learned using huge training data where the problem of noisy labels is particularly relevant. The current techniques proposed for learning…

机器学习 · 统计学 2017-12-29 Aritra Ghosh , Himanshu Kumar , P. S. Sastry

To collect large scale annotated data, it is inevitable to introduce label noise, i.e., incorrect class labels. To be robust against label noise, many successful methods rely on the noisy classifiers (i.e., models trained on the noisy…

计算机视觉与模式识别 · 计算机科学 2020-11-23 Songzhu Zheng , Pengxiang Wu , Aman Goswami , Mayank Goswami , Dimitris Metaxas , Chao Chen

Robustness to label noise is a critical property for weakly-supervised classifiers trained on massive datasets. Robustness to label noise is a critical property for weakly-supervised classifiers trained on massive datasets. In this paper,…

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

We study the robustness of conformal prediction, a powerful tool for uncertainty quantification, to label noise. Our analysis tackles both regression and classification problems, characterizing when and how it is possible to construct…

Large datasets in NLP suffer from noisy labels, due to erroneous automatic and human annotation procedures. We study the problem of text classification with label noise, and aim to capture this noise through an auxiliary noise model over…

计算与语言 · 计算机科学 2022-06-22 Siddhant Garg , Goutham Ramakrishnan , Varun Thumbe

Incorrect labels in training data occur when human annotators make mistakes or when the data is generated via weak or distant supervision. It has been shown that complex noise-handling techniques - by modeling, cleaning or filtering the…

计算与语言 · 计算机科学 2022-04-21 Dawei Zhu , Michael A. Hedderich , Fangzhou Zhai , David Ifeoluwa Adelani , Dietrich Klakow

We explore contemporary robust classification algorithms for overcoming class-dependant labelling noise: Forward, Importance Re-weighting and T-revision. The classifiers are trained and evaluated on class-conditional random label noise data…

机器学习 · 计算机科学 2021-06-02 Alex Díaz , Damian Steele

In some industrial applications such as fraud detection, the performance of common supervision techniques may be affected by the poor quality of the available labels : in actual operational use-cases, these labels may be weak in quantity,…

机器学习 · 计算机科学 2021-06-22 Hugo Le Baher , Vincent Lemaire , Romain Trinquart

We study the robustness of classifiers to various kinds of random noise models. In particular, we consider noise drawn uniformly from the $\ell\_p$ ball for $p \in [1, \infty]$ and Gaussian noise with an arbitrary covariance matrix. We…

机器学习 · 计算机科学 2018-06-25 Jean-Yves Franceschi , Alhussein Fawzi , Omar Fawzi
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