Measurement of heart rate variability using off-the-shelf smart phones

Table 4 The HRV metrics estimated by different methods in the “static subjects with makeup” category

Clip names	HRV metrics (ms)	Chest band	ICA [8]		C-rPPG [10]		Our method
Clip names	HRV metrics (ms)	Est.	Est.	Abs. error	Est.	Abs. error	Est.	Abs. error
Static_M1	SD1	14.95	101.16	86.21	97.89	82.94	19.59	4.64
	SD2	48.17	109.16	60.99	127.48	79.31	52.62	4.45
	SDNN	35.66	106.39	70.73	114.03	78.37	39.62	3.96
	RMSSD	20.85	141.85	121.00	136.41	115.56	27.28	6.43
	SDSD	21.14	143.76	122.62	138.52	117.38	27.71	6.57
Static_M2	SD1	13.97	49.93	35.96	54.71	40.74	13.94	0.03
	SD2	65.34	74.35	9.01	76.72	11.38	68.56	3.22
	SDNN	47.14	64.42	17.28	67.81	20.67	50.21	3.07
	RMSSD	19.50	69.77	50.27	76.45	56.95	19.59	0.09
	SDSD	19.75	70.77	51.02	77.52	57.77	19.72	0.03
Static_M3	SD1	20.96	71.56	50.6	79.62	58.66	23.95	2.99
	SD2	86.84	127.90	41.06	135.26	48.42	92.18	5.34
	SDNN	63.79	104.07	40.28	114.17	50.38	67.58	3.79
	RMSSD	29.34	99.66	70.32	111.30	81.96	33.43	4.09
	SDSD	29.73	101.20	71.47	112.88	83.15	33.92	4.19

ISSN: 1475-925X