Face Recognition CAPTCHAs.

Deapesh Misra Kris Gaj

Published in: AICT/ICIW (2006)

Keyphrases

face recognition
face images
recognition rate
principal component analysis
robust face recognition
discriminant analysis
linear discriminant analysis

computer programs
face detection
local binary pattern
facial images
face databases
feature extraction
subspace learning

pose variations
face recognition systems
information systems
illumination conditions
recognition accuracy
human faces

facial expressions
sparse representation
gabor features
data points
neural network
elastic bunch graph matching