Table 5.

Average HR estimation result on MMSE-HR database using different methods.

Method	SD	MAE	RMSE	$\mathit{\rho }$
Li [39]	20.2	14.6	19.95	0.38
CHROM [8]	14.08	12.2	13.97	0.55
SAMC [32]	12.24	10.8	11.37	0.71
POS [5]	–	5.77	–	0.82
DeepPhys [18]	–	4.72	8.68	0.82
EVM-CNN [9]	–	–	6.95	0.98
Proposed	6.63	6.4	6.82	0.95