Hello, I'm trying to do a small project, for which I need an implementation of the DTW [1] (Dynamic Time Warping) algorithm. It takes to series of values and measures the similarity between them, considering that they can vary time or speed.
I've done a few searches but seems to be impossible to find a DTW external for Pd, is there one? On the SMC2009 conference, a paper[2] was presented where they stated that they used DTW under Pd but I couldn't find their implementation anywhere (nor received feedback from the authors still). Also there is a reference to a Max/MSP implementation by Olaf Matthes [3] but once again... cannot find a Pd version. So if anyone can be of help in this search for DTW inside Pd, it would be most helpful. p.s.: As far as C alike implementations, I found this in C [4] and this C++ lib [5] seems to use a DTW implementation too. [1] http://en.wikipedia.org/wiki/Dynamic_time_warping [2] http://smc2009.smcnetwork.org/programme/pdfs/321.pdf [3] http://maxobjects.com/?v=authors&id_auteur=39 [4] http://www.phon.ox.ac.uk/files/slp/Extras/dtw.html [5] http://code.google.com/p/lbimproved/ <http://code.google.com/p/lbimproved/> -- Pedro Lopes contacto: [email protected] website: http://web.ist.utl.pt/Pedro.Lopes -- Pedro Lopes contacto: [email protected] website: http://web.ist.utl.pt/Pedro.Lopes
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