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相关论文: UPL: Uncertainty-aware Pseudo-labeling for Imbalan…

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Pseudo-label (PL) filtering forms a crucial part of Self-Training (ST) methods for unsupervised domain adaptation. Dropout-based Uncertainty-driven Self-Training (DUST) proceeds by first training a teacher model on source domain labeled…

音频与语音处理 · 电气工程与系统科学 2022-11-16 Nauman Dawalatabad , Sameer Khurana , Antoine Laurent , James Glass

While Positive-Unlabeled (PU) learning is vital in many real-world scenarios, its application to graph data still remains under-explored. We unveil that a critical challenge for PU learning on graph lies on the edge heterophily, which…

机器学习 · 计算机科学 2024-06-04 Yuhao Wu , Jiangchao Yao , Bo Han , Lina Yao , Tongliang Liu

Self-learning is a classical approach for learning with both labeled and unlabeled observations which consists in giving pseudo-labels to unlabeled training instances with a confidence score over a predetermined threshold. At the same time,…

机器学习 · 计算机科学 2021-09-30 Vasilii Feofanov , Emilie Devijver , Massih-Reza Amini

Deep regression is an important problem with numerous applications. These range from computer vision tasks such as age estimation from photographs, to medical tasks such as ejection fraction estimation from echocardiograms for disease…

计算机视觉与模式识别 · 计算机科学 2023-02-16 Weihang Dai , Xiaomeng Li , Kwang-Ting Cheng

There is often a mixture of very frequent labels and very infrequent labels in multi-label datatsets. This variation in label frequency, a type class imbalance, creates a significant challenge for building efficient multi-label…

机器学习 · 计算机科学 2021-09-28 Payel Sadhukhan , Arjun Pakrashi , Sarbani Palit , Brian Mac Namee

Partial label learning (PLL) learns from training examples each associated with multiple candidate labels, among which only one is valid. In recent years, benefiting from the strong capability of dealing with ambiguous supervision and the…

人工智能 · 计算机科学 2024-02-28 Qian-Wei Wang , Bowen Zhao , Mingyan Zhu , Tianxiang Li , Zimo Liu , Shu-Tao Xia

We motivate weakly supervised learning as an effective learning paradigm for problems where curating perfectly annotated datasets is expensive and may require domain expertise such as fine-grained classification. We focus on Partial Label…

计算机视觉与模式识别 · 计算机科学 2025-06-09 Darshana Saravanan , Naresh Manwani , Vineet Gandhi

State-of-the-art semi-supervised learning (SSL) approaches rely on highly confident predictions to serve as pseudo-labels that guide the training on unlabeled samples. An inherent drawback of this strategy stems from the quality of the…

机器学习 · 计算机科学 2024-03-26 Shambhavi Mishra , Balamurali Murugesan , Ismail Ben Ayed , Marco Pedersoli , Jose Dolz

Semi-supervised action recognition is a challenging but important task due to the high cost of data annotation. A common approach to this problem is to assign unlabeled data with pseudo-labels, which are then used as additional supervision…

计算机视觉与模式识别 · 计算机科学 2022-04-19 Yinghao Xu , Fangyun Wei , Xiao Sun , Ceyuan Yang , Yujun Shen , Bo Dai , Bolei Zhou , Stephen Lin

In semi-supervised medical image segmentation, the poor quality of unlabeled data and the uncertainty in the model's predictions lead to models that inevitably produce erroneous pseudo-labels. These errors accumulate throughout model…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Shiwei Zhou , Xin Liu , Haifeng Zhao , Bin Luo , Dengdi Sun

Identifying and handling label errors can significantly enhance the accuracy of supervised machine learning models. Recent approaches for identifying label errors demonstrate that a low self-confidence of models with respect to a certain…

机器学习 · 计算机科学 2024-05-17 Johannes Jakubik , Michael Vössing , Manil Maskey , Christopher Wölfle , Gerhard Satzger

Universal domain adaptation (UniDA) aims to transfer the knowledge from a labeled source domain to an unlabeled target domain without any assumptions of the label sets, which requires distinguishing the unknown samples from the known ones…

计算机视觉与模式识别 · 计算机科学 2024-10-02 Yifan Wang , Lin Zhang , Ran Song , Paul L. Rosin , Yibin Li , Wei Zhang

Pseudo-labeling has proven to be a promising semi-supervised learning (SSL) paradigm. Existing pseudo-labeling methods commonly assume that the class distributions of training data are balanced. However, such an assumption is far from…

机器学习 · 计算机科学 2023-03-03 Renzhen Wang , Xixi Jia , Quanziang Wang , Yichen Wu , Deyu Meng

Recent advances in large language models (LLMs) have yielded impressive performance on various tasks, yet they often depend on high-quality feedback that can be costly. Self-refinement methods attempt to leverage LLMs' internal evaluation…

计算与语言 · 计算机科学 2025-12-01 Hikaru Asano , Tadashi Kozuno , Yukino Baba

Semi-supervised learning (SSL) algorithms struggle to perform well when exposed to imbalanced training data. In this scenario, the generated pseudo-labels can exhibit a bias towards the majority class, and models that employ these…

机器学习 · 计算机科学 2024-09-18 Zeju Li , Ying-Qiu Zheng , Chen Chen , Saad Jbabdi

Safety monitoring is essential for Cyber-Physical Systems (CPSs). However, unsafe events are rare in real-world CPS operations, creating an extreme class imbalance that degrades safety predictors. Standard rebalancing techniques perform…

机器学习 · 计算机科学 2026-03-30 John Ayotunde , Qinghua Xu , Guancheng Wang , Lionel C. Briand

Adapting vision-language models (VLMs) to downstream tasks with pseudolabels has gained increasing attention. A major obstacle is that the pseudolabels generated by VLMs tend to be imbalanced, leading to inferior performance. While existing…

计算机视觉与模式识别 · 计算机科学 2025-05-06 Yuchen Wang , Xuefeng Bai , Xiucheng Li , Weili Guan , Liqiang Nie , Xinyang Chen

Pseudo-labeling is a commonly used paradigm in semi-supervised learning, yet its application to semi-supervised regression (SSR) remains relatively under-explored. Unlike classification, where pseudo-labels are discrete and confidence-based…

机器学习 · 计算机科学 2025-10-20 Xueqing Sun , Renzhen Wang , Quanziang Wang , Yichen Wu , Xixi Jia , Deyu Meng

Identifying anomalous instances in tabular data is essential for improving data reliability and maintaining system stability. Due to the scarcity of ground-truth anomaly labels, existing methods mainly rely on unsupervised anomaly detection…

人工智能 · 计算机科学 2026-04-21 Wei Huang , Yuxuan Xiong , Hezhe Qiao , Yu-Ming Shang , Xiangling Fu , Guansong Pang

Pseudo-labeling has emerged as a popular and effective approach for utilizing unlabeled data. However, in the context of semi-supervised multi-label learning (SSMLL), conventional pseudo-labeling methods encounter difficulties when dealing…

机器学习 · 计算机科学 2023-05-23 Ming-Kun Xie , Jia-Hao Xiao , Hao-Zhe Liu , Gang Niu , Masashi Sugiyama , Sheng-Jun Huang