TABLE I.

Quantitative assessment on different methods (MEAN ± STD). For each metric, the best result is marked in red, and the second best result is marked in blue. The measurements were obtained by averaging the values on the 20 testing canine studies. Slices that do not contain the heart are excluded from calculations. For IMBV calculations, numbers that are closest to the IY-PVC results are considered the best.

	Non-PVC	U-net	Dy-U	Dy-U-BV	DC-Dy-U-BV	Dy-U-CT	Dy-U-CT-BV	iY-PVC
IMBV	0.209 ± 0.042	0.193 ± 0.038	0.185 ± 0.037	0.174 ± 0.036	0.169 ± 0.034	0.172 ± 0.033	0.166 ± 0.033	0.167 ± 0.033 (Reference)
PSNR	35.552 ± 2.095	37.130 ± 2.485	37.641 ± 2.803	37.686 ± 2.642	37.748 ± 2.804	40.319 ± 3.598	40.434 ± 3.662	╲
SSIM	0.967 ± 0.016	0.979 ± 0.014	0.9822 ± 0.0155	0.983 ± 0.015	0.9824 ± 0.015	0.9873 ± 0.0166	0.9875 ± 0.0166	╲
RMSE	0.017 ± 0.006	0.015 ± 0.006	0.0139 ± 0.0062	0.0138 ± 0.0060	0.0137 ± 0.0061	0.0107 ± 0.0067	0.0106 ± 0.0067	╲