Noise-Robust Heart Rate Estimation Algorithm from Photoplethysmography Signal with Low Computational Complexity

Table 2

Error1 results of the proposed algorithm and the existing algorithms.

Data set	TROIKA [2]	JOSS [3]	NLMS + OSC-ANFc [7]	Combination of adaptive filters [8]	Proposed algorithm
1	2.29	1.33	1.75	1.34	1.33
2	2.19	1.75	1.94	0.70	1.92
3	2.00	1.47	1.17	0.66	0.83
4	2.15	1.48	1.67	0.70	1.03
5	2.01	0.69	0.95	0.63	0.54
6	2.76	1.32	1.22	0.86	1.44
7	1.67	0.71	0.91	0.66	0.65
8	1.93	0.56	1.17	0.58	0.56
9	1.86	0.49	0.87	0.52	0.43
10	4.70	3.81	2.95	2.46	2.51
11	1.72	0.78	1.15	1.21	0.83
12	2.84	1.04	1.00	0.74	1.79
Av. ± std	2.34 ± 0.79	1.29 ± 0.86	1.40 ± 0.58	0.92 ± 0.52	1.16 ± 0.62