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Random direction divisive clustering

delete2013-01-01
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PRE
AI
S
Sotiris K. Tasoulis *
D
Dimitris K. Tasoulis
V
Vassilis P. Plagianakos
DOI:10.1016/j.patrec.2012.09.008delete
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摘要

摘要

En 中文
Projection methods for dimension reduction have enabled the discovery of otherwise unattainable structure in ultra high dimensional data. More recently, a particular method, namely Random Projection, has been shown to have the advantage of high quality data representations with minimal computation effort, even for data dimensions in the range of hundreds of thousands or even millions. Here, we couple this dimension reduction technique with data clustering algorithms that are specially designed for high dimensional cases. First, we show that the theoretical properties of both components can be combined in a sound manner, promising an effective clustering framework. Indeed, for a series of simulated and real ultra high dimensional data scenarios, as the experimental analysis shows, the resulting algorithms achieve high quality data partitions, orders of magnitude faster. (C) 2012 Elsevier B.V. All rights reserved.
Keyword:
Clustering
Principal Component Analysis
Random Projection
Kernel Density Estimation
AI总结

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期刊

Pattern Recognition Letters 封面图
Pattern Recognition Letters
IF:
3.3
论文数:
8.0K
被引数:
1.6W

机构

U
university of central greece
学者数:
27
论文数: 41
被引数: 0
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