Table 2.

Quantitative comparison on heart phantom data

Dataset	Method	MAE, mm	RMSE, mm
Heart 1	Godard et al. [9]	2.39 ± 0.62	2.99 ± 0.61
	Wang et al. [5]	2.16 ± 0.65	—
	Stoyanov et al. [2]	2.36 ± 0.92	3.88 ± 0.87
	ours	1.84 ± 0.40	2.69 ± 0.58
Heart 2	monodepth [9]	1.79 ± 0.40	2.65 ± 0.28
	Wang et al. [5]	2.14 ± 0.83	—
	Stoyanov et al. [2]	3.20 ± 1.15	4.85 ± 1.82
	ours	1.49 ± 0.41	1.90 ± 0.38