Step Estimator Based on a Wearable ECG Monitor

Figure 3

Raw accelerometer signal, raw ECG signal, and gait delineation signal from participant 1 using IMF 6 (black line) and IMF 7 (red line) while walk in speed 1.8 km/h using belt tightness of (a) 85%, (b) 90%, (c) 95%, and (d) 100%.

(a)

(b)

(c)

(d)