深度多网络嵌入聚类

doi:10.16451/j.cnki.issn1003-6059.202101002

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Abstract Existing deep unsupervised clustering methods cannot make full use of the complementary information between the extracted features of different network structures due to the single network structure in them, and thus the clustering performance is restricted. A deep multi-network embedded clustering(DMNEC) algorithm is proposed to solve this problem. Firstly, the initialization parameters of each network are obtained by pretraining multi-network branches in an end-to-end manner. On this basis, the multi-network soft assignment is defined, then the clustering-oriented Kullback-Leibler divergence loss is established with the help of the multi-network auxiliary target distribution. The decoding network in the pretraining stage is finetuned via reconstruction loss to preserve the local structure and avoid the distortion of feature space. The weighted sum of reconstruction loss and clustering loss is optimized by stochastic gradient descent(SGD) and back propagation(BP) to jointly learn multi-network representation and cluster assignment. Experiments on four public image datasets demonstrate the superiority of the proposed algorithm.

Key words： Deep Unsupervised Clustering Data Representation Multi-network Branches Complementary Information Local Structure Preservation

Received: 02 September 2020

ZTFLH:

TP 391

Fund:Youth Program of National Natural Science Foundation of China(No.61803087), Feature Innovation Project of Guangdong Province Department of Education(No.2019KTSCX192), Guangdong-Hong Kong-Macao Applied Mathematics Center Project of Guangdong Basic and Applied Basic Research Fund(No.2020B1515310003), Foshan Core Technology Research Project(No.1920001001367)

Corresponding Authors: ZHANG Caixia, Ph.D., professor. Her research interests include artificial intelligence, machine learning and data mining.

About author:: CHEN Rui, master student. His research interests include machine learning, data mi-ning and computer vision.
TANG Yongqiang, Ph.D., assistant professor. His research interests include machine learning, data mining and computer vision.
ZHANG Wensheng, Ph.D., professor. His research interests include artificial intelligence, machine learning and data mining.
HAO Zhifeng, Ph.D., professor. His research interests include artificial intelligence, machine learning and data mining.

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Cite this article:

CHEN Rui,TANG Yongqiang,ZHANG Caixia等. Deep Multi-network Embedded Clustering[J]. , 2021, 34(1): 14-24.

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http://manu46.magtech.com.cn/Jweb_prai/EN/10.16451/j.cnki.issn1003-6059.202101002 OR http://manu46.magtech.com.cn/Jweb_prai/EN/Y2021/V34/I1/14

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