Step Estimator Based on a Wearable ECG Monitor

Table 1

Gait detection results in treadmill test for participant 1 along with the average accuracy from all five participants using IMF 6 and IMF 7 with various belts tightness.

Treadmill speed (km/h)	Accuracy of 85% of CC				Accuracy of 90% of CC				Accuracy of 95% of CC				Accuracy of 100% of CC
	IMF 6 (%)		IMF 7 (%)		IMF 6 (%)		IMF 7 (%)		IMF 6 (%)		IMF 7 (%)		IMF 6 (%)		IMF 7 (%)
	A	B	A	B	A	B	A	B	A	B	A	B	A	B	A	B
1.8	40.00	−3.46	92.63	85.52	2.04	−15.39	97.96	93.52	−14.00	−3.02	78.00	87.12	−6.32	−13.85	96.84	93.67
2.7	23.30	1.50	91.26	94.10	3.77	−1.35	92.45	96.59	−7.69	11.09	88.46	92.33	19.23	10.43	94.23	92.13
3.6	54.55	13.18	85.45	94.57	0.00	4.78	99.08	95.73	−3.70	22.41	98.15	89.50	58.93	18.62	71.43	86.07
4.5	66.67	21.29	68.38	91.88	8.62	30.27	100.00	88.78	6.84	28.81	90.60	86.00	88.33	40.36	65.00	81.81
5.4	39.73	44.60	73.97	79.10	30.99	61.71	95.77	75.47	35.62	57.07	78.08	68.17	98.68	83.39	59.21	60.06
6.3	32.88	47.77	79.45	79.32	26.03	62.77	97.26	77.73	54.79	56.52	76.71	68.76	98.68	88.00	61.84	58.62
7.2	19.87	41.32	92.72	79.32	22.52	54.89	99.34	75.26	75.68	67.24	78.38	66.73	98.72	93.72	58.97	54.17
8.1	20.51	42.48	89.74	75.57	52.29	62.60	91.50	71.48	64.90	75.38	76.82	59.80	83.54	95.05	49.37	50.79
9.0	48.10	52.75	81.01	71.80	58.23	75.32	75.95	61.06	87.18	91.90	67.95	53.68	85.89	96.15	51.53	52.03
Avg.	38.40	29.05	83.85	83.46	22.72	37.29	94.37	81.74	33.29	45.27	81.46	74.68	69.52	56.87	67.60	69.93

A, participant 1; B, average.