A Unified Shape-From-Shading Approach for 3D Surface Reconstruction Using Fast Eikonal Solvers

Table 2

Quantitative comparisons of schemes for the synthetic ball images.

Images	First-order Godunov-based scheme			High-order Godunov-based scheme			Lax-Friedrichs sweeping scheme
	MA	RMS	Time (s)	MA	RMS	Time (s)	MA	RMS	Time (s)
Figure 3(a)	0.7199	0.8924	0.04	0.0370	0.0883	0.64	3.2049	3.3360	2.49
Figure 3(b)	0.7228	0.9176	0.04	0.0595	0.1318	0.65	3.9782	4.1671	3.69
Figure 3(c)	0.7167	0.8902	0.04	0.0357	0.0725	0.64	2.6534	2.7687	2.67
Figure 3(d)	0.7776	1.0667	0.04	0.0940	0.1959	0.65	4.1396	4.3401	5.07