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Classification is a fundamental task in many applications on which data-driven methods have shown outstanding performances. However, it is challenging to determine whether such methods have achieved the optimal performance. This is mainly…

机器学习 · 计算机科学 2024-01-30 Minoh Jeong , Martina Cardone , Alex Dytso

Noisy PN learning is the problem of binary classification when training examples may be mislabeled (flipped) uniformly with noise rate rho1 for positive examples and rho0 for negative examples. We propose Rank Pruning (RP) to solve noisy PN…

机器学习 · 统计学 2017-08-11 Curtis G. Northcutt , Tailin Wu , Isaac L. Chuang

This work examines how to train fair classifiers in settings where training labels are corrupted with random noise, and where the error rates of corruption depend both on the label class and on the membership function for a protected…

机器学习 · 计算机科学 2021-02-18 Jialu Wang , Yang Liu , Caleb Levy

The detection of malware is a critical task for the protection of computing environments. This task often requires extremely low false positive rates (FPR) of 0.01% or even lower, for which modern machine learning has no readily available…

机器学习 · 计算机科学 2021-09-07 Andre T. Nguyen , Edward Raff , Charles Nicholas , James Holt

A common approach in positive-unlabeled learning is to train a classification model between labeled and unlabeled data. This strategy is in fact known to give an optimal classifier under mild conditions; however, it results in biased…

机器学习 · 统计学 2017-02-03 Shantanu Jain , Martha White , Predrag Radivojac

Designing robust algorithms capable of training accurate neural networks on uncurated datasets from the web has been the subject of much research as it reduces the need for time consuming human labor. The focus of many previous research…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Paul Albert , Eric Arazo , Tarun Krishna , Noel E. O'Connor , Kevin McGuinness

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

Noisy labels damage the performance of deep networks. For robust learning, a prominent two-stage pipeline alternates between eliminating possible incorrect labels and semi-supervised training. However, discarding part of noisy labels could…

机器学习 · 计算机科学 2023-01-09 Mingcai Chen , Hao Cheng , Yuntao Du , Ming Xu , Wenyu Jiang , Chongjun Wang

Label noise refers to incorrect labels in a dataset caused by human errors or collection defects, which is common in real-world applications and can significantly reduce the accuracy of models. This report explores how to estimate noise…

机器学习 · 计算机科学 2025-01-03 Haixu Liu , Zerui Tao , Naihui Zhang , Sixing Liu

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

Robustness to out-of-distribution (OOD) samples is crucial for safely deploying machine learning models in the open world. Recent works have focused on designing scoring functions to quantify OOD uncertainty. Setting appropriate thresholds…

机器学习 · 计算机科学 2024-04-29 Harit Vishwakarma , Heguang Lin , Ramya Korlakai Vinayak

Arbitrary, inconsistent, or faulty decision-making raises serious concerns, and preventing unfair models is an increasingly important challenge in Machine Learning. Data often reflect past discriminatory behavior, and models trained on such…

机器学习 · 计算机科学 2023-06-29 I. Oliveira e Silva , C. Soares , I. Sousa , R. Ghani

In learning tasks with label noise, improving model robustness against overfitting is a pivotal challenge because the model eventually memorizes labels, including the noisy ones. Identifying the samples with noisy labels and preventing the…

机器学习 · 计算机科学 2023-09-28 Reihaneh Torkzadehmahani , Reza Nasirigerdeh , Daniel Rueckert , Georgios Kaissis

Labels noise refers to errors in training labels caused by cheap data annotation methods, such as web scraping or crowd-sourcing, which can be detrimental to the performance of supervised classifiers. Several methods have been proposed to…

计算与语言 · 计算机科学 2023-10-23 Maha Tufail Agro , Hanan Aldarmaki

We present a simple algorithm for identifying and correcting real-valued noisy labels from a mixture of clean and corrupted sample points using Gaussian process regression. A heteroscedastic noise model is employed, in which additive…

机器学习 · 计算机科学 2021-03-30 Yu-Hang Tang , Yuanran Zhu , Wibe A. de Jong

In a binary classification problem where the goal is to fit an accurate predictor, the presence of corrupted labels in the training data set may create an additional challenge. However, in settings where likelihood maximization is poorly…

统计理论 · 数学 2021-06-18 Yonghoon Lee , Rina Foygel Barber

Obtaining high-quality labels for large datasets is expensive, requiring massive annotations from human experts. While AI models offer a cost-effective alternative by predicting labels, their label quality is compromised by the unavoidable…

机器学习 · 计算机科学 2026-02-17 Huipeng Huang , Wenbo Liao , Huajun Xi , Hao Zeng , Mengchen Zhao , Hongxin Wei

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

In this paper we provide machine learning practitioners with tools to answer the question: is there class-conditional noise in my labels? In particular, we present hypothesis tests to check whether a given dataset of instance-label pairs…

机器学习 · 计算机科学 2021-06-02 Rafael Poyiadzi , Weisong Yang , Niall Twomey , Raul Santos-Rodriguez

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…

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