Real-Time and Automatic System for Performance Evaluation of Karate Skills Using Motion Capture Sensors and Continuous Wavelet Transform

Figure 4

The evaluation of the normalization step. (a) The original against the normalized curves. (b) Using DTW to align the original (red) and normalized (blue) curves; the original curve is shifted up to clarify the correct alignment. (c) Distance matrix. (d) Cost matrix.

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