PCA

1
PCA
2
Visionics
PCA
old pattern
Visionics
PCA
new pattern
3
Visionics
CMU
Pose dependent bayesian model (unknown pose)
Pose dependent bayesian model (known pose)
ssd
9x9
5x5
1x1
4
Visionics
CMU
Pose dependent bayesian model (unknown pose)
Pose dependent bayesian model (known pose)
ssd
9x9
5x5
1x1
5
Pose dependent bayesian model (unknown pose)
6
lt P (Ip, Ig ) Probability of similarity between
Ip and Ipgt
Ip, Ig probe and gallery image d Euclidean
distance n number of lattice points
ltPn (?samed i) Probability of ?i given dn at
each lattice pointgt
?isame,different
ltMarginal likelihood of ?igt
?p ,?g pose of probe and gallery image
ltlikelihood of ?i-- Gaussian distribution
N(?n(?i,?p,?g),?n(?i,?p,?g))gt