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We present label gradient alignment, a novel algorithm for semi-supervised learning which imputes labels for the unlabeled data and trains on the imputed labels. We define a semantically meaningful distance metric on the input space by…

机器学习 · 计算机科学 2019-02-07 Jacob Jackson , John Schulman

Noisy labels can impair the performance of deep neural networks. To tackle this problem, in this paper, we propose a new method for filtering label noise. Unlike most existing methods relying on the posterior probability of a noisy…

计算机视觉与模式识别 · 计算机科学 2022-01-31 Pengxiang Wu , Songzhu Zheng , Mayank Goswami , Dimitris Metaxas , Chao Chen

Noise maps from CMB experiments are generally statistically anisotropic, due to scanning strategies, atmospheric conditions, or instrumental effects. Any mis-modeling of this complex noise can bias the reconstruction of the lensing…

宇宙学与河外天体物理 · 物理学 2025-11-03 Louis Legrand , Blake Sherwin , Anthony Challinor , Julien Carron , Gerrit S. Farren

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

Voice-over-Internet-Protocol (VoIP) calls are prone to various speech impairments due to environmental and network conditions resulting in bad user experience. A reliable audio impairment classifier helps to identify the cause for bad audio…

声音 · 计算机科学 2019-07-04 Chandan K A Reddy , Ross Cutler , Johannes Gehrke

We develop a classification algorithm for estimating posterior distributions from positive-unlabeled data, that is robust to noise in the positive labels and effective for high-dimensional data. In recent years, several algorithms have been…

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

The seminal paper by Mazumdar and Saha \cite{MS17a} introduced an extensive line of work on clustering with noisy queries. Yet, despite significant progress on the problem, the proposed methods depend crucially on knowing the exact…

机器学习 · 计算机科学 2022-07-22 Alberto Del Pia , Mingchen Ma , Christos Tzamos

Deep learning with noisy labels is challenging as deep neural networks have the high capacity to memorize the noisy labels. In this paper, we propose a learning algorithm called Co-matching, which balances the consistency and divergence…

计算机视觉与模式识别 · 计算机科学 2021-03-25 Yangdi Lu , Yang Bo , Wenbo He

Noisy labels are ubiquitous in real-world datasets, which poses a challenge for robustly training deep neural networks (DNNs) as DNNs usually have the high capacity to memorize the noisy labels. In this paper, we find that the test accuracy…

机器学习 · 计算机科学 2019-05-14 Pengfei Chen , Benben Liao , Guangyong Chen , Shengyu Zhang

Cross-modal retrieval aims to align different modalities via semantic similarity. However, existing methods often assume that image-text pairs are perfectly aligned, overlooking Noisy Correspondences in real data. These misaligned pairs…

计算机视觉与模式识别 · 计算机科学 2026-04-09 Zhuoyao Liu , Yang Liu , Wentao Feng , Shudong Huang

An accurate and substantial dataset is essential for training a reliable and well-performing model. However, even manually annotated datasets contain label errors, not to mention automatically labeled ones. Previous methods for label…

机器学习 · 计算机科学 2024-01-05 Anastasiia Sedova , Lena Zellinger , Benjamin Roth

In the recent years, there is a growing interest in semi-supervised learning, since, in many learning tasks, there is a plentiful supply of unlabeled data, but insufficient labeled ones. Hence, Semi-Supervised learning models can benefit…

机器学习 · 计算机科学 2020-03-27 Pedro H. M. Braga , Hansenclever F. Bassani

Noisy Labels are commonly present in data sets automatically collected from the internet, mislabeled by non-specialist annotators, or even specialists in a challenging task, such as in the medical field. Although deep learning models have…

机器学习 · 计算机科学 2020-12-08 Filipe R. Cordeiro , Gustavo Carneiro

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

Deep neural networks (DNNs) have been widely applied in medical image classification and achieve remarkable classification performance. These achievements heavily depend on large-scale accurately annotated training data. However, label…

计算机视觉与模式识别 · 计算机科学 2023-06-19 Hongyang Jiang , Mengdi Gao , Yan Hu , Qiushi Ren , Zhaoheng Xie , Jiang Liu

Semi-supervised learning has proven to be a powerful paradigm for leveraging unlabeled data to mitigate the reliance on large labeled datasets. In this work, we unify the current dominant approaches for semi-supervised learning to produce a…

机器学习 · 计算机科学 2019-10-25 David Berthelot , Nicholas Carlini , Ian Goodfellow , Nicolas Papernot , Avital Oliver , Colin Raffel

Learning with noisy labels (LNL) has been extensively studied, with existing approaches typically following a framework that alternates between clean sample selection and semi-supervised learning (SSL). However, this approach has a…

计算机视觉与模式识别 · 计算机科学 2023-10-25 Qing Miao , Xiaohe Wu , Chao Xu , Yanli Ji , Wangmeng Zuo , Yiwen Guo , Zhaopeng Meng

In partial multi-label learning (PML), each instance is associated with a set of candidate labels containing both ground-truth and noisy labels. The presence of noisy labels disrupts the correspondence between features and labels, degrading…

机器学习 · 计算机科学 2026-04-13 Yu Chen , Weijun Lv , Yue Huang , Xiaozhao Fang , Jie Wen , Yong Xu , Guanbin Li

Recent advancements in semi-supervised deep learning have introduced effective strategies for leveraging both labeled and unlabeled data to improve classification performance. This work proposes a semi-supervised framework that utilizes a…

机器学习 · 计算机科学 2025-05-21 Aydin Abedinia , Shima Tabakhi , Vahid Seydi

Semi-supervised learning acts as an effective way to leverage massive unlabeled data. In this paper, we propose a novel training strategy, termed as Semi-supervised Contrastive Learning (SsCL), which combines the well-known contrastive loss…

计算机视觉与模式识别 · 计算机科学 2021-05-18 Yuhang Zhang , Xiaopeng Zhang , Robert. C. Qiu , Jie Li , Haohang Xu , Qi Tian