Table 5. Results for heart rate estimation in videos from mice.

Rodent ID	Mean HR (breaths/min)		RMSE	$\overline{\epsilon }$ (%)	${\epsilon }_{90}$ (%)	Correlation
	IMG	REF	(breaths/min)
M1	358.89	358.74	1.26	0.27	0.59	0.96
M2	467.38	467.48	0.77	0.13	0.28	0.99
M3	370.13	370.08	1.78	0.40	0.78	0.93
M4	363.46	363.34	1.64	0.34	0.79	0.95
M5	391.19	381.20	0.10	0.00	0.31	0.97
M6	377.51	377.04	2.63	0.47	1.02	0.76
Mean±SD	386.43±40.53	386.31±40.62	1.36±0.87	0.27±0.18	0.63±0.29	0.93±0.09

IMG: Image-derived, REF: Reference Measurement, $\overline{\epsilon }$: mean relative error, ${\epsilon }_{90}$: 90th percentile of the relative errors