Title
k-mean alignment for curve clustering
Abstract
The problem of curve clustering when curves are misaligned is considered. A novel algorithm is described, which jointly clusters and aligns curves. The proposed procedure efficiently decouples amplitude and phase variability; in particular, it is able to detect amplitude clusters while simultaneously disclosing clustering structures in the phase, pointing out features that can neither be captured by simple curve clustering nor by simple curve alignment. The procedure is illustrated via simulation studies and applications to real data.
Year
DOI
Venue
2010
10.1016/j.csda.2009.12.008
Computational Statistics & Data Analysis
Keywords
Field
DocType
simple curve alignment,aligns curve,phase variability,k-mean alignment,functional data analysis,proposed procedure,simple curve clustering,k -mean algorithm,clustering structure,curve clustering,decouples amplitude,curve alignment,novel algorithm,amplitude cluster,k,k means algorithm,k means,biological clock
Econometrics,Functional data analysis,k-means clustering,Cluster (physics),CURE data clustering algorithm,Correlation clustering,Algorithm,Linear discriminant analysis,Cluster analysis,Statistics,Amplitude,Mathematics
Journal
Volume
Issue
ISSN
54
5
Computational Statistics and Data Analysis
Citations 
PageRank 
References 
25
1.83
6
Authors
4
Name
Order
Citations
PageRank
Laura M. Sangalli1435.37
Piercesare Secchi27011.12
Simone Vantini3609.26
Valeria Vitelli4726.93