Research Article

Worst-Case Morphs Using Wasserstein ALI and Improved MIPGAN

Table 3

MMPMR for FRLL morphs.

Landmark-based morphingGAN-based morphingWorst-
case
AMSLFace-
Morpher
OpenCVWebMorphStyle-
GAN
MIPGANImproved
MIPGAN
(Ours)
WALI (Ours)
MFN&EF
w/o colourcorr.
WALI (Ours)
MFN&EF
w colourcorr.

MobileFaceNet64.789.286.090.322.174.496.296.796.899.5
ElasticFace38.858.860.460.00.04.774.426.144.099.8
Curricularface32.753.455.654.30.02.644.33.011.099.6
ArcFace58.867.264.465.31.220.364.67.817.099.4
Inception9.614.214.217.30.35.011.21.22.449.3
PocketNet51.778.080.384.720.055.975.814.144.598.8
VGG1612.112.814.225.20.46.820.52.34.7100.0
Dlib0.91.01.00.90.00.00.60.10.116.5
COTS97.6100.0100.0100.00.870.496.646.664.7n/a

Note. The more challenging the morphs, the higher the MMPMR. Underlined numbers indicate the FR system was used for optimisation. Of all GAN-based approaches the improved MIPGAN approach (highlighted in bold) is closest to the worst case for almost all FR systems.