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Pattern Recognition and Artificial Intelligence  2023, Vol. 36 Issue (3): 211-224    DOI: 10.16451/j.cnki.issn1003-6059.202303002
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A Deep Takagi-Sugeno-Kang Fuzzy Classifier for Imbalanced Data
BIAN Zekang1, ZHANG Jin1, WANG Shitong1
1. School of Artificial Intelligence and Computer Science, Jiangnan University, Wuxi 214122

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Abstract  Inspired by ensemble learning, a deep Takagi-Sugeno-Kang fuzzy classifier for imbalanced data(ID-TSK-FC) is proposed to enhance the generalization capability and maintain good linguistic interpretability of TSK fuzzy classifier on imbalanced data. ID-TSK-FC is composed of an imbalanced global linear regression sub-classifier(IGLRc) and several imbalanced TSK fuzzy sub-classifiers(I-TSK-FCs). According to the human cognitive behavior "from wholly coarse to locally fine" and the stacked generalization principle, ID-TSK-FC firstly trains an IGLRc on all training samples to obtain a wholly coarse classification result. Then, the nonlinear training samples in the original training samples are classified according to the output of IGLRc. Next, several I-TSK-FCs are generated using a stacked depth structure on the nonlinear training samples to achieve a locally fine result. Finally, the minimum distance voting principle is applied on the outputs of stacked IGLRc and all I-TSK-FCs to obtain the final output of ID-TSK-FC. The experimental results confirm that ID-TSK-FC not only holds interpretability based on feature importance, but also holds at least comparable generalization capability and linguistic interpretability.
Key wordsTakagi-Sugeno-Kang(TSK) Fuzzy Classifier      Linguistic Interpretability      Deep Stacked Structure      Imbalanced Data     
Received: 29 November 2022     
ZTFLH: TP181  
Fund:National Key Research and Development Program(No.2022YFE0112400), Natural Science Foundation of Jiangsu Province(No.BK20191331), Natural Science Key Research Project of Jiangsu Provincial Department of Education(No.22KJA520009)
Corresponding Authors: WANG Shitong, master, professor. His research interests include artificial intelligence and pattern recognition.   
About author:: BIAN Zekang, Ph.D., lecturer. His research interests include artificial intelligence and pattern recognitionZHANG Jin, Ph.D. candidate. His research interests include artificial intelligence and pattern recognition.
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BIAN Zekang
ZHANG Jin
WANG Shitong
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BIAN Zekang,ZHANG Jin,WANG Shitong. A Deep Takagi-Sugeno-Kang Fuzzy Classifier for Imbalanced Data[J]. Pattern Recognition and Artificial Intelligence, 2023, 36(3): 211-224.
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http://manu46.magtech.com.cn/Jweb_prai/EN/10.16451/j.cnki.issn1003-6059.202303002      OR     http://manu46.magtech.com.cn/Jweb_prai/EN/Y2023/V36/I3/211
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