A Step Length Estimation Model of Coefficient Self-Determined Based on Peak-Valley Detection

Table 4

The results of walking on different surfaces.

Surface type	True steps	Detected steps	Step detection error (%)	True distance (m)	Estimated distance (m)	Distance estimation error (m)
Slope	138	138	0	60	70.25	10.25
Downstairs	108	105	2.78	30.95	69.73	38.78
Upstairs	101	96	4.95	30.95	71.41	40.46