Table 5. Relative Error Ratios.

	Photoshop	Illustrator	GIMP
AE2/AE1	0.7309	0.7173	0.5094
AB2/AB1	0.0756	0.6268	0.1000

AE1: AE from group1, AE2: AE from group2
AB1: AB from group1, AB2: AB from group2