Toward accurate dynamic time warping in linear time and space
作者:Stan Salvador, Philip K. Chan · 发表于:Intelligent Data Analysis · 年份:2007 · DOI:10.3233/ida-2007-11508 · 被引用次数:1728 · 研究领域:Time Series Analysis and Forecasting、Music and Audio Processing、Advanced Text Analysis Techniques
Dynamic Time Warping (DTW) has a quadratic time and space complexity that limits its use to small time series. In this paper we introduce FastDTW, an approximation of DTW that has a linear time and space complexity. FastDTW uses a multilevel approach