Table 7.

Typical HRV measures after applying median and threshold filters, and the proposed algorithms for various peak sizes, compared to the HRV measures in the original signal for Participant 1 (PhysioNet database).

Signal	Method	RMSSD	SDNN	SDSD	Total Power	LF	HF	SD1	SD2	Mean Error
Original		0.35	2.69	0.35	1.52	0.09	0.50	0.25	3.80
Peak 2x	Median w = 3	0.29	2.68	0.29	1.46	0.09	0.47	0.21	3.79	8.7%
	Thr m = 5	0.35	2.70	0.35	1.47	0.09	0.48	0.25	3.80	1.7%
	Algorithm 1 (StDev.)	0.35 (3.4 × 10${}^{-3}$)	2.69 (9.3 × 10${}^{-4}$)	0.35 (3.4 × 10${}^{-3}$)	1.49 (7.5 × 10${}^{-3}$)	0.09 (2.1 × 10${}^{-3}$)	0.49 (3.2 × 10${}^{-3}$)	0.25 (2.4 × 10${}^{-3}$)	3.80 (1.3 × 10${}^{-3}$)	1.3%
Peak 3x	Median w = 3	0.29	2.68	0.29	1.45	0.10	0.46	0.21	3.79	9.5%
	Thr m = 5	0.35	2.70	0.35	1.47	0.09	0.48	0.25	3.80	1.7%
	Algorithm 1 (StDev.)	0.35 (5.5 × 10${}^{-3}$)	2.69 (7.9 × 10${}^{-4}$)	0.35 (5.5 × 10${}^{-3}$)	1.49 (6.2 × 10${}^{-3}$)	0.09 (1.7 × 10${}^{-3}$)	0.49 (2.6 × 10${}^{-3}$)	0.25 (3.9 × 10${}^{-3}$)	3.80 (1.1 × 10${}^{-3}$)	1.2%