In the field of sports biomechanics, we have been quantifying the similarity between subjects using their kinematics. Many studies applied the normalisation in this procedure. On the other band, in the field of speech recognition, in Order to distinguish a phoneme by different Speakers or voices, the dynamic time warping (DTW) method have been applied. In this study, it was quantified the similarity of the swimmers' stroke motion, which depends on their skill level and swimming speed using dynamic time warping.
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