An adaptive index smoothing loss for face anti-spoofing.

Caixun Wang Jie Zhou

Published in: Pattern Recognit. Lett. (2022)

Keyphrases

liveness detection
face verification
biometric systems
human faces
face images
facial expressions
face identification
face recognition
smoothing algorithm
preprocessing step
indexing techniques
recognition algorithm
indexing method
image filtering
b tree
loss function
information retrieval