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Parallel architecture to accelerate superparamagnetic clustering algorithm
Wang,Pan Ke1,2; Chen,Chang Hao1; Pun,Sio Hang1; Zhang,Baijun3; Mak,Peng Un2; Vai,Mang I.1,2; Lei,Tim C.1,4
2020-07-09
Source PublicationElectronics Letters
ISSN0013-5194
Volume56Issue:14Pages:701-704
AbstractSuperparamagnetic clustering (SPC) is an unsupervised classification technique in which clusters are self-organised based on data density and mutual interaction energy. Traditional SPC algorithm uses the Swendsen–Wang Monte Carlo approximation technique to significantly reduce the search space for reasonable clustering. However, Swendsen–Wang approximation is a Markov process which limits the conventional superparamagnetic technique to process data clustering in a sequential manner. Here the authors propose a parallel approach to replace the conventional appropriation to allow the algorithm to perform clustering in parallel. One synthetic and one open-source dataset were used to validate the accuracy of this parallel approach in which comparable clustering results were obtained as compared to the conventional implementation. The parallel method has an increase of clustering speed at least 8.7 times over the conventional approach, and the larger the sample size, the more increase in speed was observed. This can be explained by the higher degree of parallelism utilised for the increased data points. In addition, a hardware architecture was proposed to implement the parallel superparamagnetic algorithm using digital electronic technologies suitable for rapid or real-time neural spike sorting.
DOI10.1049/el.2020.0760
URLView the original
Language英语
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Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorPun,Sio Hang
Affiliation1.State Key Laboratory of Analog and Mixed-Signal VLSI,Institute of Microelectronics,University of Macau,Macao
2.Department of Electrical and Computer Engineering,University of Macau,Macao
3.School of Electronics and Information Technology,State Key Laboratory of Optoelectronic Materials and Technologies,Sun Yat-sen University,Guangzhou,China
4.Department of Electrical Engineering,University of Colorado,Denver,United States
First Author AffilicationUniversity of Macau
Corresponding Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Wang,Pan Ke,Chen,Chang Hao,Pun,Sio Hang,et al. Parallel architecture to accelerate superparamagnetic clustering algorithm[J]. Electronics Letters,2020,56(14):701-704.
APA Wang,Pan Ke,Chen,Chang Hao,Pun,Sio Hang,Zhang,Baijun,Mak,Peng Un,Vai,Mang I.,&Lei,Tim C..(2020).Parallel architecture to accelerate superparamagnetic clustering algorithm.Electronics Letters,56(14),701-704.
MLA Wang,Pan Ke,et al."Parallel architecture to accelerate superparamagnetic clustering algorithm".Electronics Letters 56.14(2020):701-704.
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