Worst-Case Morphs Using Wasserstein ALI and Improved MIPGAN

Table 1

MMPMR for WALI morphs without any optimisation steps.

	MIPGAN	WALI (Ours); with all FR losses	WALI without; FR losses	WALI w/o	WALI w/o	WALI w/o
MobileFaceNet	0.9	19.2	0.3	19.6	19.3	14.4
ElasticFace (black box)	0.0	0.0	0.0	0.0	0.0	0.0
Curricularface (black box)	0.0	0.0	0.0	0.0	0.0	0.0
ArcFace (black box)	0.7	13.0	0.1	12.0	6.9	6.6
Inception (black box)	0.5	13.2	0.6	7.9	9.5	9.0
PocketNet (black box)	1.5	18.0	1.1	16.8	17.7	14.0
VGG16 (black box)	2.0	10.7	0.4	9.5	8.0	6.0
Dlib (black box)	5.6	10.1	0.3	8.1	3.7	7.5
COTS (black box)	0.0	0.1	0.0	1.5	1.5	1.4

Note. The more challenging the morphs, the higher the MMPMR. The highest value in each row is shown in bold.