Analysis of Center of Pressure Signals by Using Decision Tree and Empirical Mode Decomposition to Predict Falls among Older Adults

Figure 1

Illustration of EMD decomposition of COP signal. (a–g) are original COPx signals, and corresponding EMD decomposition is from IMF1 to IMF6. X-axis is points index. Signal length is 30 seconds.

(a)

(b)

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(g)