1. Daugman????

1
??????
???
2
??
3
?????
1. ????????????(?????)???????????,????????????????
?????? 2. ???????????????,?????????? 3.
????????????????????????,?????????????,???????????
????,??????????????????????????????,??????????????
? 4. ?????????????,?????????????????????????
4
???????????
????
????
????
???????
??
??
?????
5
????
1. Daugman????
???????????????
???????,?????? ?????????,???????????
J G Daugman. High confidence visual recognition
of persons by a test of statistical independence.
IEEE Trans. on PAMI. 1993, 15(11)11481161.
6
2. Wildes????(Hough??)
A????? B???? C???????????????? D???????????
?????,?????????????
??? ??????,??????
R P Wildes. Iris recognition an emerging
biometric technology. Proceedings of the IEEE.
1997, 85(9) 13481363.
7
3?Xiaoyan Yuan(???)???(????)
A???? B????????(??????)????? ? C????? ?????????
????????,?????
8
(No Transcript)
9
4???????(???????)(????)
A?????? C?????????? D?????????????? E????? ?????
???
10
(No Transcript)
11

5??????
(1)???????????,????????? (2)?????????????(In) (3)?
???? (4)??????? ???????,m????????(?????
)?
12
(5)??????

• ????? B. ?????
• ?????,????????????????,??
• ? ? ? , ? ? ? ? ? ? ? ? ? , ?
• SUMgtTHRESHOLD?????,???????????
• ?,?-SUMgtTHRESHOLD??????,?nm?????
• ??,??????????????????????
• ???????,???????????????????
• ???????????????,??????????
• ????????m,??????????????(???
• ???),????????(?????),????,???
• ??????????????q(qgtm),?nq/2?????
• ???????????????,???????????
• ????,SUM Dn Dn1 Dnq?????????
• ???

13
(6)???????

• ???????????
• B. ????????????
• C. ????????

?????
14
?????????
? ??????????
?? ??????????? ??????????????????,????????
?????
15
?????
1??? (1)?????
(2)???? ????????????
16
2????????-Candy??
17
3????????
(1)Gaussian ??
W. K. Kong and D. Zhang, Accurate Iris
Segmentation Based on Novel Reflection and
Eyelash Detection Model, Pro. of 2001
International Symposium on Intelligent Multimedia,
Video and Speech Processing
(2)???????
18
(No Transcript)
19
4????? Gassian???????? 5?????
???? ????????????????????? ???????
??????????????????????????
20
6????? (1)?????????????????
???????????? ????????
(2)??????????????????
????????????? ????????
????????? (3)????????????????????
(????????,?????)
21
??????
1?Daugman?? (1)??Gabor???
22
(2)??????????
23
(3)??
??Re
??Re
??Im
??Im
????256-Byte
24
(4) ??
????????
? ?????????????
25
2?Daugman????? (1)??,???????????????????????1999,
33(5)? (2)??? ??????????????????????2003,8(3)75-
80? ????????? ?????Gabor??????????????????
26
3????? (1)???Gabor????? (2)?????(Daubechies-
4???) ??????Gabor????????????????????????????
????????????????
27
(3)??????????????
A?Dissociated Dipole
Dissociated Multi-Pole.
B?Coding and Matching
28
4?wildes?? (1)????????
(2)???????????????? (3)Fisher??????????
(????????????)
29
5??????(?)
(1) ???????
(2) ????
??????????,?????????????????????????????????????,
??????????????????????????
(3) ??
??????????????????????????????
30
(4)???????
????????????????
????????
????????????????????,??????????????????????BP???
????
??397?????????,??11?????,???????3.8?
31
6?Boles?? ????????????????,??????????
(1)?????????????????
(2)????
32
(3)??
(4)??
W W Boles, B Boashash. A human identification
technique using images of the iris and wavelet
transform. IEEE Trans. On Signal Processing.
1998, 46(4)11851188
33
6??????(?)
????????????,?????????????????????,??????,????????
??,????????????????????
34
(1)????
(2)????
??N????????????,N0A?N1A??NnA???A?B????????0?1??
n?????????,N0B?N1B??NnB???B?A????????0?1??n?????
????,???????????
35
??? 85.8
36
?????
1????????????(?????)? 2??????????????
37
(No Transcript)
38
?????
1. ????????????(?????)???????????,????????????????
?????? 2. ???????????????,?????????? 3.
????????????????????????,?????????????,???????????
????,??????????????????????????????,??????????????
? 4. ?????????????,?????????????????????????