An approach of time series Piecewise Linear Representation based on local maximum minimum and extremum

doi:10.12733/jics20101797

CORC > 兰州理工大学 > 兰州理工大学 > 机电工程学院

	An approach of time series Piecewise Linear Representation based on local maximum minimum and extremum
	Yan, Changfeng; Fang, Jianfang; Wu, Lixiao; Ma, Shimin
刊名	Journal of Information and Computational Science
	2013-06-10
卷号	10 期号:9 页码:2747-2756
关键词	Discrete Fourier transforms Piecewise linear techniques Time series Adjacent data fluctuation ratio Dimensionality reduction Discrete wavelets transforms Fitting error Local maximum Piecewise linear representation Representation techniques Symbolic representation
ISSN号	15487741
DOI	10.12733/jics20101797
英文摘要	Time series is a kind of important complex data. It is a non-trivial problem to store data, analyze data and mine knowledge in its original data directly because of the inherent high dimensionality and complexity of the data. It is the most promising solution to achieve dimensionality reduction on the data. There are five major techniques in dimensionality reduction such as Discrete Fourier Transform, Discrete Wavelets Transform, Singular Value Decomposition, Symbolic Representation and Piecewise Linear Representation. Integrating the idea of important point and extreme point, a new approach of time series piecewise linear representation are proposed based on local maximum minimum and extremum in this paper. The results of experiments by using the public datasets from several different fields are shown that the proposed technique appears better fitting effect on the adjacent data value less volatile datasets and it has nice fitting effects in the volatile datasets under the low compression ratio condition compared with two other piecewise liner representation techniques. Copyright © 2013 Binary Information Press.
语种	英语
出版者	Binary Information Press, Flat F 8th Floor, Block 3, Tanner Garden, 18 Tanner Road, Hong Kong
内容类型	期刊论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/112874]
专题	机电工程学院
作者单位	School of Mechanical and Electronical Engineering, Lanzhou University of Technology, Lanzhou 730050, China
推荐引用方式 GB/T 7714	Yan, Changfeng,Fang, Jianfang,Wu, Lixiao,et al. An approach of time series Piecewise Linear Representation based on local maximum minimum and extremum[J]. Journal of Information and Computational Science,2013,10(9):2747-2756.
APA	Yan, Changfeng,Fang, Jianfang,Wu, Lixiao,&Ma, Shimin.(2013).An approach of time series Piecewise Linear Representation based on local maximum minimum and extremum.Journal of Information and Computational Science,10(9),2747-2756.
MLA	Yan, Changfeng,et al."An approach of time series Piecewise Linear Representation based on local maximum minimum and extremum".Journal of Information and Computational Science 10.9(2013):2747-2756.