Table 1.

Performance of four methods according to two different error estimators. Estimator 1 is the Chamfer error and Estimator 2 is LP+NICP (Section 5.1). Bold, italic and underlined text indicate first, second and third best method according to an estimator.

	Estimated Error (mm)
	Estimator 1	Estimator 2
INORig [4]	1.72	3.06
Deep3DFace [9]	1.74	3.05
3DI [39]	1.81	2.80
3DDFAv2 [18]	2.04	3.50
Mean error	1.83	3.10
Standard dev.	0.13	0.25