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Uncertainty calibration is crucial for various machine learning applications, yet it remains challenging. Many models exhibit hallucinations - confident yet inaccurate responses - due to miscalibrated confidence. Here, we show that the…

机器学习 · 计算机科学 2025-03-28 Jeonghwan Cheon , Se-Bum Paik

Often, the data used to train ranking models is subject to label noise. For example, in web-search, labels created from clickstream data are noisy due to issues such as insufficient information in item descriptions on the SERP, query…

信息检索 · 计算机科学 2022-08-18 Dany Haddad

Medical imaging has witnessed remarkable progress but usually requires a large amount of high-quality annotated data which is time-consuming and costly to obtain. To alleviate this burden, semi-supervised learning has garnered attention as…

计算机视觉与模式识别 · 计算机科学 2023-07-24 Qingyue Wei , Lequan Yu , Xianhang Li , Wei Shao , Cihang Xie , Lei Xing , Yuyin Zhou

Classifiers for the semi-supervised setting often combine strong supervised models with additional learning objectives to make use of unlabeled data. This results in powerful though very complex models that are hard to train and that demand…

机器学习 · 统计学 2019-05-01 Dennis Forster , Abdul-Saboor Sheikh , Jörg Lücke

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

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

Semi-supervised learning has been an effective paradigm for leveraging unlabeled data to reduce the reliance on labeled data. We propose CoMatch, a new semi-supervised learning method that unifies dominant approaches and addresses their…

机器学习 · 计算机科学 2021-03-04 Junnan Li , Caiming Xiong , Steven Hoi

For classification tasks, deep neural networks are prone to overfitting in the presence of label noise. Although existing methods are able to alleviate this problem at low noise levels, they encounter significant performance reduction at…

机器学习 · 计算机科学 2021-05-31 Jingyi Xu , Tony Q. S. Quek , Kai Fong Ernest Chong

Neural networks are widespread due to their powerful performance. Yet, they degrade in the presence of noisy labels at training time. Inspired by the setting of learning with expert advice, where multiplicative weights (MW) updates were…

机器学习 · 计算机科学 2025-11-12 Noga Bar , Tomer Koren , Raja Giryes

Collecting large-scale datasets is crucial for training deep models, annotating the data, however, inevitably yields noisy labels, which poses challenges to deep learning algorithms. Previous efforts tend to mitigate this problem via…

计算机视觉与模式识别 · 计算机科学 2023-02-16 Yuanpeng Tu , Boshen Zhang , Yuxi Li , Liang Liu , Jian Li , Jiangning Zhang , Yabiao Wang , Chengjie Wang , Cai Rong Zhao

Corrupted labels and class imbalance are commonly encountered in practically collected training data, which easily leads to over-fitting of deep neural networks (DNNs). Existing approaches alleviate these issues by adopting a sample…

机器学习 · 计算机科学 2022-01-05 Shenwang Jiang , Jianan Li , Ying Wang , Bo Huang , Zhang Zhang , Tingfa Xu

There are inevitably many mislabeled data in real-world datasets. Because deep neural networks (DNNs) have an enormous capacity to memorize noisy labels, a robust training scheme is required to prevent labeling errors from degrading the…

计算机视觉与模式识别 · 计算机科学 2022-07-22 Jun Ho Lee , Jae Soon Baik , Tae Hwan Hwang , Jun Won Choi

Labeled data is a critical resource for training and evaluating machine learning models. However, many real-life datasets are only partially labeled. We propose a semi-supervised machine learning training strategy to improve event detection…

计算机视觉与模式识别 · 计算机科学 2022-10-05 Florian Dubost , Erin Hong , Nandita Bhaskhar , Siyi Tang , Daniel Rubin , Christopher Lee-Messer

Deep neural networks (DNNs) trained on large-scale datasets have exhibited significant performance in image classification. Many large-scale datasets are collected from websites, however they tend to contain inaccurate labels that are…

计算机视觉与模式识别 · 计算机科学 2019-04-23 Daiki Tanaka , Daiki Ikami , Toshihiko Yamasaki , Kiyoharu Aizawa

Modern neural networks have the capacity to overfit noisy labels frequently found in real-world datasets. Although great progress has been made, existing techniques are limited in providing theoretical guarantees for the performance of the…

机器学习 · 计算机科学 2020-11-17 Baharan Mirzasoleiman , Kaidi Cao , Jure Leskovec

As the size of the dataset used in deep learning tasks increases, the noisy label problem, which is a task of making deep learning robust to the incorrectly labeled data, has become an important task. In this paper, we propose a method of…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Hansang Lee , Haeil Lee , Helen Hong , Junmo Kim

In open-world semi-supervised learning, a machine learning model is tasked with uncovering novel categories from unlabeled data while maintaining performance on seen categories from labeled data. The central challenge is the substantial…

机器学习 · 计算机科学 2024-04-18 Bo Ye , Kai Gan , Tong Wei , Min-Ling Zhang

The field of Weakly Supervised Learning (WSL) has recently seen a surge of popularity, with numerous papers addressing different types of "supervision deficiencies", namely: poor quality, non adaptability, and insufficient quantity of…

机器学习 · 计算机科学 2021-09-28 Pierre Nodet , Vincent Lemaire , Alexis Bondu , Antoine Cornuéjols

Motivated by the scarcity of proper labels in an astrophysical application, we have developed a novel technique, called Selfish Evolution, which allows for the detection and correction of corrupted labels in a weakly supervised fashion.…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Nima Sedaghat , Tanawan Chatchadanoraset , Colin Orion Chandler , Ashish Mahabal , Maryam Eslami

Neural sequence labeling (NSL) aims at assigning labels for input language tokens, which covers a broad range of applications, such as named entity recognition (NER) and slot filling, etc. However, the satisfying results achieved by…

计算与语言 · 计算机科学 2023-02-20 Jianing Wang , Chengyu Wang , Jun Huang , Ming Gao , Aoying Zhou
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