Piecewise Dynamic Time Warping-Based Subsequence Matching in Data Stream

Dynamic Time Warping (DTW) is effective for subsequence matching but is limited by its high computational cost. To address this challenge, we propose a method that adaptively segments data streams and extracts Chebyshev features for piecewise approximation, enabling DTW computation in a low-dimensio...

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Bibliographic Details
Main Authors: Qinglin Cai, Leiying Chen, Jian Shao, Ling Chen
Format: Article
Language:English
Published: IEEE 2025-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/11072392/
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