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Related papers: OwMatch: Conditional Self-Labeling with Consistenc…

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Given an unlabeled dataset and an annotation budget, we study how to selectively label a fixed number of instances so that semi-supervised learning (SSL) on such a partially labeled dataset is most effective. We focus on selecting the right…

Machine Learning · Computer Science 2023-08-24 Xudong Wang , Long Lian , Stella X. Yu

Semi-supervised learning provides an expressive framework for exploiting unlabeled data when labels are insufficient. Previous semi-supervised learning methods typically match model predictions of different data-augmented views in a…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Cong Wang , Xiaofeng Cao , Lanzhe Guo2 , Zenglin Shi

Recent state-of-the-art methods in semi-supervised learning (SSL) combine consistency regularization with confidence-based pseudo-labeling. To obtain high-quality pseudo-labels, a high confidence threshold is typically adopted. However, it…

Computer Vision and Pattern Recognition · Computer Science 2022-06-14 Zhuoran Yu , Yin Li , Yong Jae Lee

Pseudo-labeling is a crucial technique in semi-supervised learning (SSL), where artificial labels are generated for unlabeled data by a trained model, allowing for the simultaneous training of labeled and unlabeled data in a supervised…

Computer Vision and Pattern Recognition · Computer Science 2023-08-16 Khanh-Binh Nguyen , Joon-Sung Yang

Open-set Semi-supervised Learning (OSSL) holds a realistic setting that unlabeled data may come from classes unseen in the labeled set, i.e., out-of-distribution (OOD) data, which could cause performance degradation in conventional SSL…

Machine Learning · Computer Science 2024-05-21 Yang Yang , Nan Jiang , Yi Xu , De-Chuan Zhan

We introduce MarginMatch, a new SSL approach combining consistency regularization and pseudo-labeling, with its main novelty arising from the use of unlabeled data training dynamics to measure pseudo-label quality. Instead of using only the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Tiberiu Sosea , Cornelia Caragea

When there are unlabeled Out-Of-Distribution (OOD) data from other classes, Semi-Supervised Learning (SSL) methods suffer from severe performance degradation and even get worse than merely training on labeled data. In this paper, we…

Machine Learning · Computer Science 2023-01-18 Lu Han , Han-Jia Ye , De-Chuan Zhan

Semi-supervised learning (SSL) provides an effective means of leveraging unlabeled data to improve a model's performance. In this paper, we demonstrate the power of a simple combination of two common SSL methods: consistency regularization…

Semi-supervised learning (SSL) has been widely explored in recent years, and it is an effective way of leveraging unlabeled data to reduce the reliance on labeled data. In this work, we adjust neural processes (NPs) to the semi-supervised…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Jianfeng Wang , Xiaolin Hu , Thomas Lukasiewicz

Pseudo-labeling (PL) and Data Augmentation-based Consistency Training (DACT) are two approaches widely used in Semi-Supervised Learning (SSL) methods. These methods exhibit great power in many machine learning tasks by utilizing unlabeled…

Computer Vision and Pattern Recognition · Computer Science 2021-09-15 Huixiang Luo , Hao Cheng , Fanxu Meng , Yuting Gao , Ke Li , Mengdan Zhang , Xing Sun

Recent state-of-the-art method FlexMatch firstly demonstrated that correctly estimating learning status is crucial for semi-supervised learning (SSL). However, the estimation method proposed by FlexMatch does not take into account…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Zhimin Chen , Longlong Jing , Liang Yang , Yingwei Li , Bing Li

Semi-supervised learning (SSL) commonly exhibits confirmation bias, where models disproportionately favor certain classes, leading to errors in predicted pseudo labels that accumulate under a self-training paradigm. Unlike supervised…

Machine Learning · Computer Science 2024-09-30 Yu Wang , Yuxuan Yin , Peng Li

Semi-supervised learning (SSL) leverages limited labeled and abundant unlabeled data but often faces challenges with data imbalance, especially in 3D contexts. This study investigates class-level confidence as an indicator of learning…

Computer Vision and Pattern Recognition · Computer Science 2024-11-14 Zhimin Chen , Bing Li

Semi-supervised learning (SSL) has attracted enormous attention due to its vast potential of mitigating the dependence on large labeled datasets. The latest methods (e.g., FixMatch) use a combination of consistency regularization and…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Yuhao Chen , Xin Tan , Borui Zhao , Zhaowei Chen , Renjie Song , Jiajun Liang , Xuequan Lu

Semi-supervised learning (SSL) has shown its effectiveness in learning effective 3D representation from a small amount of labelled data while utilizing large unlabelled data. Traditional semi-supervised approaches rely on the fundamental…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Sneha Paul , Zachary Patterson , Nizar Bouguila

Semi-Supervised Learning (SSL) approaches have been an influential framework for the usage of unlabeled data when there is not a sufficient amount of labeled data available over the course of training. SSL methods based on Convolutional…

Computer Vision and Pattern Recognition · Computer Science 2021-10-25 Fariborz Taherkhani , Hadi Kazemi , Ali Dabouei , Jeremy Dawson , Nasser M. Nasrabadi

Pseudo-label-based semi-supervised learning (SSL) has achieved great success on raw data utilization. However, its training procedure suffers from confirmation bias due to the noise contained in self-generated artificial labels. Moreover,…

Computer Vision and Pattern Recognition · Computer Science 2022-09-12 Fan Yang , Kai Wu , Shuyi Zhang , Guannan Jiang , Yong Liu , Feng Zheng , Wei Zhang , Chengjie Wang , Long Zeng

The capability of the traditional semi-supervised learning (SSL) methods is far from real-world application due to severely biased pseudo-labels caused by (1) class imbalance and (2) class distribution mismatch between labeled and unlabeled…

Computer Vision and Pattern Recognition · Computer Science 2022-06-03 Youngtaek Oh , Dong-Jin Kim , In So Kweon

The critical challenge of Semi-Supervised Learning (SSL) is how to effectively leverage the limited labeled data and massive unlabeled data to improve the model's generalization performance. In this paper, we first revisit the popular…

Machine Learning · Computer Science 2023-03-16 Hao Chen , Ran Tao , Yue Fan , Yidong Wang , Jindong Wang , Bernt Schiele , Xing Xie , Bhiksha Raj , Marios Savvides

Semi-supervised learning (SSL) has attracted much attention since it reduces the expensive costs of collecting adequate well-labeled training data, especially for deep learning methods. However, traditional SSL is built upon an assumption…

Computer Vision and Pattern Recognition · Computer Science 2024-07-03 Lie Ju , Yicheng Wu , Wei Feng , Zhen Yu , Lin Wang , Zhuoting Zhu , Zongyuan Ge