Biometrics & Security Tutorial 11
Dec 20, 2015
F a c e
F in ge rp rin t
C la s s 1 ,2 ,...,N
C la s s 1 ,2 ,...,M(M < N )
C la s s X
F a c e
C la s s 1 ,2 ,...,N
F in ge rp rin t
C la s s 1 ,2 ,...,N
C la s s 1 ,2 ,...,M(M < < N )
C la s s 1 ,2 ,...,M(M < < N )
C la s s X
S e r ia l M o d e P ar r alle l M o d e
C la s s 1 ,2 ,...,N
C o a rs e F e a tu re(fa c e ; finge r;fa c e & finge r)
C la s s 1 C la s s 2 C la s s ... C la s s M(M < < N )
C la s s 1 1 C la s s 1 2 C la s s 1 X C la s s 2 1 C la s s 2 2 C la s s 2 X
F ine F e a tu re(fa c e ; finge r;fa c e & finge r)
F ine F e a tu re(fa c e ; finge r;fa c e & finge r)
F ine F e a tu re(fa c e ; finge r;fa c e & finge r)
F ine F e a tu re(fa c e ; finge r;fa c e & finge r)
C la s s M 1C la s s M 2 C la s s M X
H ie r ar c h ic a l M o d e
• 2. There are four fusion levels defined in P13: 15. Could you give the corresponding structure of each fusion level?
• 3. Some fusion functions are given in both matching and decision level (P13: 25; 32-34). Please understand their math definitions.
M a tc hingM o d u le 1
M a tc hingM o d u le 2
M atc hingS c o re 1
M atc hingS c o re 2
F u s io nM o d u le
D e c is io nM o d u le 1
D e c is io nM o d u le 2
D ec is io nS c o re 1
D es c is io nS c o re 2
F u s io nM o d u le
Fusion = Score1 + Score2 or = Score1 x Score2 or = Max (Score1, Score2) or = ……