TABLE II:

RMSE and SSIM accuracies (mean ±SDs) of the hemodynamic parameter maps from the simulated low-dose patient data.

RMSE
	FBP	TTV	LRTD-STTV	DP-ResNet	CMAA-TTV
CBF	67.284±5.362	18.768±3.538	14.908±2.921	13.128±3.284	8.790±1.672*
CBV	12.064±2.073	3.339±0.969	2.676±0.862	2.731±0.790	1.891±0.466*
MTT	3.490±0.933	0.674±0.124	0.484±0.085	0.519±0.069	0.276±0.043*
SSIM
	FBP	TTV	LRTD-STTV	DP-ResNet	CMAA-TTV
CBF	0.4169±0.093	0.8463±0.028	0.8672±0.021	0.9017±0.019	0.9326±0.009*
CBV	0.4263±0.091	0.8528±0.046	0.8719±0.032	0.8836±0.039	0.9341±0.011*
MTT	0.3829±0.122	0.8075±0.063	0.8734±0.055	0.8593±0.041	0.9287±0.024*

^*Significantly different from the SSIM scores for other algorithms (P<0.05).