K-MEAP: Generating Specified K Clusters with Multiple Exemplars by Efficient Affinity Propagation

Recently, an attractive clustering approach named multi-exemplar affinity propagation (MEAP) has been proposed as an extension to the single exemplar based Affinity Propagation( AP). MEAP is able to automatically identify multiple exemplars for each cluster associated with a superexemplar. Howe...

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Main Authors: Wang, Yangtao, Chen, Lihui
Other Authors: School of Electrical and Electronic Engineering
Format: Conference Paper
Language:English
Published: 2016
Subjects:
Online Access:https://hdl.handle.net/10356/81840
http://hdl.handle.net/10220/39690
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author Wang, Yangtao
Chen, Lihui
author2 School of Electrical and Electronic Engineering
author_facet School of Electrical and Electronic Engineering
Wang, Yangtao
Chen, Lihui
author_sort Wang, Yangtao
collection NTU
description Recently, an attractive clustering approach named multi-exemplar affinity propagation (MEAP) has been proposed as an extension to the single exemplar based Affinity Propagation( AP). MEAP is able to automatically identify multiple exemplars for each cluster associated with a superexemplar. However, if the cluster number is a prior knowledge and can be specified by the user, MEAP is unable to make use of such knowledge directly in its learning process. Instead it has to rely on re-running the process as many times as it takes by tuning parameters until it generates the desired number of clusters. The process of MEAP re-running may be very time consuming. In this paper, we propose a new clustering algorithm called KMEAP which is able to generate specified K clusters directly while retaining the advantages of MEAP. Two kinds of new additional messages are introduced in MEAP in order to control the number of clusters in the process of message passing. The detailed problem formulation, the derived updating rules for passing messages, and the in-depth analysis of the proposed K-MEAP are provided. Experimental studies demonstrated that K-MEAP not only generates K clusters directly and efficiently without tuning parameters, but also outperforms related approaches in terms of clustering accuracy.
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spelling ntu-10356/818402020-03-07T13:24:44Z K-MEAP: Generating Specified K Clusters with Multiple Exemplars by Efficient Affinity Propagation Wang, Yangtao Chen, Lihui School of Electrical and Electronic Engineering 2014 IEEE International Conference on Data Mining (ICDM) affinity propagation clustering Recently, an attractive clustering approach named multi-exemplar affinity propagation (MEAP) has been proposed as an extension to the single exemplar based Affinity Propagation( AP). MEAP is able to automatically identify multiple exemplars for each cluster associated with a superexemplar. However, if the cluster number is a prior knowledge and can be specified by the user, MEAP is unable to make use of such knowledge directly in its learning process. Instead it has to rely on re-running the process as many times as it takes by tuning parameters until it generates the desired number of clusters. The process of MEAP re-running may be very time consuming. In this paper, we propose a new clustering algorithm called KMEAP which is able to generate specified K clusters directly while retaining the advantages of MEAP. Two kinds of new additional messages are introduced in MEAP in order to control the number of clusters in the process of message passing. The detailed problem formulation, the derived updating rules for passing messages, and the in-depth analysis of the proposed K-MEAP are provided. Experimental studies demonstrated that K-MEAP not only generates K clusters directly and efficiently without tuning parameters, but also outperforms related approaches in terms of clustering accuracy. Accepted version 2016-01-13T05:54:48Z 2019-12-06T14:41:18Z 2016-01-13T05:54:48Z 2019-12-06T14:41:18Z 2014 Conference Paper Wang, Y & Chen, L. (2014). K-MEAP: Generating Specified K Clusters with Multiple Exemplars by Efficient Affinity Propagation. 2014 IEEE International Conference on Data Mining (ICDM), 1091-1096. 1550-4786 https://hdl.handle.net/10356/81840 http://hdl.handle.net/10220/39690 10.1109/ICDM.2014.54 en © 2014 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The published version is available at: [http://dx.doi.org/10.1109/ICDM.2014.54]. 6 p. application/pdf
spellingShingle affinity propagation
clustering
Wang, Yangtao
Chen, Lihui
K-MEAP: Generating Specified K Clusters with Multiple Exemplars by Efficient Affinity Propagation
title K-MEAP: Generating Specified K Clusters with Multiple Exemplars by Efficient Affinity Propagation
title_full K-MEAP: Generating Specified K Clusters with Multiple Exemplars by Efficient Affinity Propagation
title_fullStr K-MEAP: Generating Specified K Clusters with Multiple Exemplars by Efficient Affinity Propagation
title_full_unstemmed K-MEAP: Generating Specified K Clusters with Multiple Exemplars by Efficient Affinity Propagation
title_short K-MEAP: Generating Specified K Clusters with Multiple Exemplars by Efficient Affinity Propagation
title_sort k meap generating specified k clusters with multiple exemplars by efficient affinity propagation
topic affinity propagation
clustering
url https://hdl.handle.net/10356/81840
http://hdl.handle.net/10220/39690
work_keys_str_mv AT wangyangtao kmeapgeneratingspecifiedkclusterswithmultipleexemplarsbyefficientaffinitypropagation
AT chenlihui kmeapgeneratingspecifiedkclusterswithmultipleexemplarsbyefficientaffinitypropagation