基于分类风险的半监督集成学习算法

doi:10.16451/j.cnki.issn1003-6059.202404005

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Abstract The existing semi-supervised ensemble learning algorithms commonly encounter the issue of information confusion in predicting unlabeled samples. To address this issue, a classification risk-based semi-supervised ensemble learning(CR-SSEL) algorithm is proposed. Classification risk is utilized as the criterion for evaluating the confidence of unlabeled samples. It can measure the degree of sample uncertainty effectively. By iteratively training classifiers and restrengthening the high confidence samples,the uncertainty of sample labeling is reduced and thus the classification performance of SSEL is enhanced. The impacts of learning parameters, training process convergence and improvement of generalization capability of CR-SSEL algorithm are verified on multiple standard datasets. The experimental results demonstrate that CR-SSEL algorithm presents the convergence trend of training process with an increase in the number of base classifiers and it achieves better classification accuracy.

Key words： Semi-supervised Ensemble Learning Ensemble Learning Semi-supervised Learning Classification Risk Uncertainty Confidence Degree

Received: 22 January 2024

ZTFLH:

TN 911.73

Fund:General Project of Natural Science Foundation of Guangdong Province(No.2023A1515011667), Guangdong Basic and App-lied Basic Research Foundation(No.2023B1515120020), Ge-neral Project of Basic Research Foundation of Shenzhen(No.JCYJ20210324093609026)

Corresponding Authors: HE Yulin, Ph.D., professor. His research interests include data mining, machine learning and big data system computing technologies.

About author:: ZHU Penghui, Master student. His research interests include data mining and machine learning. HUANG Zhexue, Ph.D., distinguished professor. His research interests include data mining, machine learning and big data system computing technologies. PHILIPPE Fournier-Viger, Ph.D., distinguished professor. His research interests include data mining, artificial intelligence, knowledge representation and inference and cognitive model construction.

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	HE Yulin
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	PHILIPPE Fournier-Viger

Cite this article:

HE Yulin,ZHU Penghui,HUANG Zhexue等. Classification Risk-Based Semi-supervised Ensemble Learning Algorithm[J]. Pattern Recognition and Artificial Intelligence, 2024, 37(4): 339-351.

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http://manu46.magtech.com.cn/Jweb_prai/EN/10.16451/j.cnki.issn1003-6059.202404005 OR http://manu46.magtech.com.cn/Jweb_prai/EN/Y2024/V37/I4/339

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