Dynamic and limited symbol method for time series data

被引：0

作者：

Zhong, Qing-Liu ^{[1
,2
]}

Cai, Zi-Xing ^{[1
]}

Chen, Ming-Quan ^{[2
]}

Yang, Xian-Fen ^{[2
]}

机构：

[1] School of Information Science and Engineering, Central South University, Changsha 410083, China

[2] School of Computer and Communication, Hu'nan University, Changsha 410082, China

来源：

Kongzhi yu Juece/Control and Decision | 2008年 / 23卷 / 10期

关键词：

Harmonic analysis;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

A method by which the time series data could be transformed into symbol sequence is presented. The best of all symbols and dividing benchmark are confirmed by means of the extremum about the time series data. Dimension is reduced by estimating the largest compress rate. Thereby, the transformation and distance calculation the same as SAX representation are realized. Different from SAX, it can prevent the information near extremum in a time datasets to be lost, thus has more standout behaves in some time series analysis which depends on extremum.

引用

页码：1109 / 1112

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