An Efficient Heart Rate Measurement System Using Medical Radar and LSTM Neural Network

Table 1

Comparison of mean, RMSE between arctangent method, proposed method, and reference data.

No.	Arctangent method (bpm)	Proposed method (bpm)	Reference (bpm)
1	75	72	72
2	63	65	64
3	58	57	56
4	72	72	72
5	60	65	63
6	64	59	57
7	62	62	63
8	53	56	57
9	60	59	60
10	52	81	91
11	53	57	57
12	61	62	62
13	66	65	66
14	68	74	79
15	67	68	67
16	52	51	51
17	54	60	60
18	66	66	69
19	64	53	50
20	60	59	59
21	51	62	64
22	56	56	56
23	59	59	59
24	68	67	67
25	67	67	67
26	57	60	60
27	59	58	59
28	56	56	56
29	70	60	59
30	52	51	52
Mean	60.83	61.97	62.47
RMSE	8.74	2.35	—