Cyborg and Bionic Systems / 2021 / Article / Fig 3

Research Article

Classifying Motion Intention of Step Length and Synchronous Walking Speed by Functional Near-Infrared Spectroscopy

Figure 3

The detailed steps of the calculation flow. WPD: the method of wavelet packet decomposition; SP-LD: the gait of small step with low speed; SP-MD: the gait of small step with midspeed; CV: the coefficient of variation; M1 to M9: different matrices calculated in each step. The illustration on the right side of the figure corresponds to the steps in the text.

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