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  2009, Vol. 22 Issue (5): 750-755    DOI:
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Co-Training Semi-Supervised Active Learning Algorithm with Noise Filter
ZHAN Yong-Zhao, CHEN Ya-Bi
School of Computer Science and Telecommunication Engineering, Jiangsu University, Zhenjiang 212013

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Abstract  The classification performance of the classifier based on semi-supervised learning is weakened when the noise samples are introduced. An algorithm called co-training semi-supervised active learning with noise filter is presented to overcome this disadvantage. In this algorithm, three fuzzy buried Markov models are used to perform semi-supervised learning cooperatively. Some human-computer interactions are actively introduced into labelling the unlabeled sample at certain time in order to avoid the rejective judgment when the classifiers do not agree with each other and the inaccurate judgment when the initial weak classifiers all agree. Meanwhile, the noise filter is used to filter the possible noise samples which are labeled automatically by the computer. The proposed algorithm is applied to facial expression recognition. The experimental results show that the algorithm can effectively improve the utilization of unlabeled samples, reduce the introduction of noise samples and raise the accuracy of expression recognition.
Key wordsExpression Recognition      Co-Training      Semi-Supervised Active Learning      Noise Filtering Mechanism      Fuzzy Buried Markov Model (FBMM)     
Received: 12 January 2009     
ZTFLH: TP181  
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ZHAN Yong-Zhao
CHEN Ya-Bi
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ZHAN Yong-Zhao,CHEN Ya-Bi. Co-Training Semi-Supervised Active Learning Algorithm with Noise Filter[J]. , 2009, 22(5): 750-755.
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http://manu46.magtech.com.cn/Jweb_prai/EN/      OR     http://manu46.magtech.com.cn/Jweb_prai/EN/Y2009/V22/I5/750
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