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Fourth International Conference on Computer and Information Technology (CIT'04)
Regression Time Warping for Similarity Measure of Sequence
Wuhan, China
September 14-September 16
ISBN: 0-7695-2216-5
Hansheng Lei, State University of New York at Buffalo
Venu Govindaraju, State University of New York at Buffalo
In the paper, we propose Regression Time Warping (RTW), a novel similarity measure for sequence or time series matching. RTW fuses the Linear Regression analysis, which controls the shifting and scaling factors between sequences [3], and the principles of Dynamic Time Warping (DTW), which provides robustness with elastic matching. RTW has complexity as low as O(n),while the complexity of DTW is O(n2). Experimental results show the accuracy of RTW in classification is comparable to DTW, and much faster than DTW in term of running time.
Citation:
Hansheng Lei, Venu Govindaraju, "Regression Time Warping for Similarity Measure of Sequence," cit, pp.826-830, Fourth International Conference on Computer and Information Technology (CIT'04), 2004
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