TABLE 4. Table Showing the HR of a Subject Obtained From the Pulse Oximeter, Compared With HR Computed From a iPPG Obtained From the Forehead of the Subject (With Phone-Flash Off). The iPPG was Computed Using Average Values of (A) Hue Within a Range of 0–0.1 (B) Hue (C) Green and (D) Saturation (For Pixels With Hue Within a Range of 0–0.1).

Subject	Flash	Pulse Ox.	Hue (0–0.1)	Hue	Green	Sat. with Hue (0–0.1)
A1	Off	69	70	70	70	70
A2	Off	76	66	66	73	73
A3	Off	84	49	49	49	86
A4	Off	57	52	66	68	68
A5	Off	70	68	63	68	68
B1	Off	73	70	69	69	80
B2	Off	81	78	78	76	71
B3	Off	65	57	56	61	52
B4	Off	63	67	66	69	60
B5	Off	87	89	93	95	86
C1	Off	84	87	87	73	80
C2	Off	64	67	69	78	72
C3	Off	78	71	71	70	66
C4	Off	89	84	83	76	79
C5	Off	91	89	84	82	76
D1	Off	82	88	88	93	70
D2	Off	94	85	86	78	73
D3	Off	71	79	78	82	84
D4	Off	67	64	65	86	79
D5	Off	62	64	67	71	86
E1	Off	62	67	67	70	70
E2	Off	67	66	66	73	73
E3	Off	89	82	83	81	76
E4	Off	75	72	72	69	68
E5	Off	81	84	85	86	89