Table 1.
Estimation of heart rates from the normal dataset without illumination variance and motion artifacts.
| Methods | MAE (bpm) | SDAE (bpm) | RMSE (bpm) | CC (r) |
|---|---|---|---|---|
| RPPG | 1.84 | 1.66 | 2.49 | 0.981 ** |
| RBCG | 2.56 | 2.26 | 3.48 | 0.927 ** |
| Fusion (EA) | 1.05 | 0.93 | 1.42 | 0.996 ** |
| Fusion (PCA) | 1.08 | 0.99 | 1.49 | 0.996 ** |
| Fusion (ICA) | 1.04 | 0.91 | 1.39 | 0.999 ** |
MAE, mean absolute error; SDAE, standard deviation of absolute error; RMSE, root mean square error; CC, Pearson’s correlation coefficient. Two asterisk represents significant correlation levels at p-value < 0.01. The lowest error and highest correlation values are bolded.