Noncontact Heart Rate Measurement Using a Webcam, Based on Joint Blind Source Separation and a Skin Reflection Model: For a Wide Range of Imaging Conditions

Table 6

Performance of the four methods on the Public Benchmark Dataset (dark-skinned tone).

Conditions	Metrics	JBSS_EEMD	POS	Project_ICA	Proposed method
P2LC1, P3LC1	MAD (bpm)	17.41	25.95	30.62	28.72
	RMSE (bpm)	20.97	29.61	34.97	30.76
		0.59	0.10	0.51	0.52
P2LC2, P3LC2	MAD (bpm)	4.12	23.28	25.13	4.66
	RMSE (bpm)	6.93	32.39	33.44	8.05
		0.85	0.82	0.78	0.80
P2LC3, P3LC3	MAD (bpm)	18.03	39.01	39.91	18.98
	RMSE (bpm)	21.56	44.71	46.39	21.41
		0.35	-0.93	-0.93	0.51
P2LC4, P3LC4	MAD (bpm)	19.66	24.75	24.17	18.38
	RMSE (bpm)	23.74	27.98	27.44	20.81
		0.04	0.09	-0.04	0.56
P2LC5, P3LC5	MAD (bpm)	19.68	26.80	28.13	19.95
	RMSE (bpm)	22.99	29.50	30.82	22.84
		0.07	-0.17	-0.28	0.39