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Collecting large-scale medical datasets with fine-grained annotations is time-consuming and requires experts. For this reason, weakly supervised learning aims at optimising machine learning models using weaker forms of annotations, such as…

Computer Vision and Pattern Recognition · Computer Science 2021-08-27 Gabriele Valvano , Andrea Leo , Sotirios A. Tsaftaris

Transductive graph-based semi-supervised learning methods usually build an undirected graph utilizing both labeled and unlabeled samples as vertices. Those methods propagate label information of labeled samples to neighbors through their…

Machine Learning · Computer Science 2013-12-25 Fengqi Li , Chuang Yu , Nanhai Yang , Feng Xia , Guangming Li , Fatemeh Kaveh-Yazdy

Fake news spreads at an unprecedented speed, reaches global audiences and poses huge risks to users and communities. Most existing fake news detection algorithms focus on building supervised training models on a large amount of manually…

Computation and Language · Computer Science 2022-06-27 Jingyi Xie , Jiawei Liu , Zheng-Jun Zha

Multi-label classification is a widely encountered problem in daily life, where an instance can be associated with multiple classes. In theory, this is a supervised learning method that requires a large amount of labeling. However,…

Computer Vision and Pattern Recognition · Computer Science 2023-08-02 XIn Zhang , Yuqi Song , Fei Zuo , Xiaofeng Wang

Deep neural network models are robust to a limited amount of label noise, but their ability to memorise noisy labels in high noise rate problems is still an open issue. The most competitive noisy-label learning algorithms rely on a 2-stage…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Filipe R. Cordeiro , Ragav Sachdeva , Vasileios Belagiannis , Ian Reid , Gustavo Carneiro

Label noise may affect the generalization of classifiers, and the effective learning of main patterns from samples with noisy labels is an important challenge. Recent studies have shown that deep neural networks tend to prioritize the…

Machine Learning · Computer Science 2019-12-06 Yi Sun , Yan Tian , Yiping Xu , Jianxiang Li

Weakly-supervised object detection (WSOD) aims to train an object detector only requiring the image-level annotations. Recently, some works have managed to select the accurate boxes generated from a well-trained WSOD network to supervise a…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Zitong Huang , Yiping Bao , Bowen Dong , Erjin Zhou , Wangmeng Zuo

Training deep networks with noisy labels leads to poor generalization and degraded accuracy due to overfitting to label noise. Existing approaches for learning with noisy labels often rely on the availability of a clean subset of data. By…

Machine Learning · Computer Science 2025-11-27 David Szczecina , Nicholas Pellegrino , Paul Fieguth

Learning with Noisy Labels (LNL) aims to improve the model generalization when facing data with noisy labels, and existing methods generally assume that noisy labels come from known classes, called closed-set noise. However, in real-world…

Machine Learning · Computer Science 2025-01-22 Linchao Pan , Can Gao , Jie Zhou , Jinbao Wang

In many real-world classification problems, the labels of training examples are randomly corrupted. Most previous theoretical work on classification with label noise assumes that the two classes are separable, that the label noise is…

Machine Learning · Statistics 2016-08-08 Gilles Blanchard , Marek Flaska , Gregory Handy , Sara Pozzi , Clayton Scott

Weakly supervised text classification methods typically train a deep neural classifier based on pseudo-labels. The quality of pseudo-labels is crucial to final performance but they are inevitably noisy due to their heuristic nature, so…

Computation and Language · Computer Science 2022-10-26 Dheeraj Mekala , Chengyu Dong , Jingbo Shang

The incompleteness of positive labels and the presence of many unlabelled instances are common problems in binary classification applications such as in review helpfulness classification. Various studies from the classification literature…

Information Retrieval · Computer Science 2020-08-17 Xi Wang , Iadh Ounis , Craig Macdonald

Real-world datasets usually are class-imbalanced and corrupted by label noise. To solve the joint issue of long-tailed distribution and label noise, most previous works usually aim to design a noise detector to distinguish the noisy and…

Machine Learning · Computer Science 2024-04-11 Zhuo Li , He Zhao , Zhen Li , Tongliang Liu , Dandan Guo , Xiang Wan

For high-resource languages like English, text classification is a well-studied task. The performance of modern NLP models easily achieves an accuracy of more than 90% in many standard datasets for text classification in English (Xie et…

Computation and Language · Computer Science 2022-06-06 Dawei Zhu , Michael A. Hedderich , Fangzhou Zhai , David Ifeoluwa Adelani , Dietrich Klakow

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…

Computer Vision and Pattern Recognition · Computer Science 2022-01-31 Pengxiang Wu , Songzhu Zheng , Mayank Goswami , Dimitris Metaxas , Chao Chen

Supervised classification algorithms are used to solve a growing number of real-life problems around the globe. Their performance is strictly connected with the quality of labels used in training. Unfortunately, acquiring good-quality…

Machine Learning · Computer Science 2024-07-08 Daniel Kałuża , Andrzej Janusz , Dominik Ślęzak

Unsupervised visual representation learning has gained much attention from the computer vision community because of the recent achievement of contrastive learning. Most of the existing contrastive learning frameworks adopt the instance…

Computer Vision and Pattern Recognition · Computer Science 2021-10-12 Mingkai Zheng , Fei Wang , Shan You , Chen Qian , Changshui Zhang , Xiaogang Wang , Chang Xu

Recent deep neural networks (DNNs) can easily overfit to biased training data with noisy labels. Label correction strategy is commonly used to alleviate this issue by designing a method to identity suspected noisy labels and then correct…

Computer Vision and Pattern Recognition · Computer Science 2021-09-03 Yichen Wu , Jun Shu , Qi Xie , Qian Zhao , Deyu Meng

Understanding sleep and activity patterns plays a crucial role in physical and mental health. This study introduces a novel approach for sleep detection using weakly supervised learning for scenarios where reliable ground truth labels are…

Machine Learning · Computer Science 2024-07-09 Matthias Boeker , Vajira Thambawita , Michael Riegler , Pål Halvorsen , Hugo L. Hammer

A popular approach to decrease the need for costly manual annotation of large data sets is weak supervision, which introduces problems of noisy labels, coverage and bias. Methods for overcoming these problems have either relied on…

Computation and Language · Computer Science 2022-05-03 Andreas Stephan , Benjamin Roth
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