Title: YouTube,??????????????????
1???????????????????????
- ???? ????????
- ?? ??,?? ??,?? ??,?? ??
2?????
- ?????????????????????
- YouTube,??????????????????
- ???????????????????
- ????????????????
- ??????????????
- ? ?????????????????
3??????????
(????)
????????? ??????
12001,Taka 22001,Masumitsu
32006,Yamamoto
4??????????
- ????????????????2006,Yamamoto
- ????????2????????
- ???????????????
??????????,????,???????? ??????EBGM1997,Wiskott?
??
???????,?????????????
5????
- ????PC????????????????1????
- ?????????????
- PC?????????????????????
???????
6?????????
????
AdaBoost
????
?????
?????????
7AdaBoost????????
- Haar-like??????AdaBoost???,????????????.2001,Viol
a - ???????????,??????????????????
- EBGM????,????????????,???????
8EBGM????????????
1997,Wiskott
- ???,?????????????Gabor??????????,??????????Jet???.
- ????????Jet??????????Face Graph???,??????????Face
Graph???????????Bunch Graph???. - Bunch Graph??????Face Graph????????,?????????,????
?????????.
9SVM????????
- EBGM????????,??????,???????????????????????.
- EBGM?????????34??????????,??????????????,68???????
??????????. - Multiclass SVM(RBF????)???????????.
10?????????(??)??
???? ??
Neutral (Neu) ???
Positive (Pos) ??,??,?,??
Negative (Neg) ??,??,??,??
Rejective (Rej) ???????????, ??????????, ???????,??
11????
- ???2?(A,B)?1??17???????????4???????.
- ???,???????????,??????????????????????,15fps???.
- ???,??????????????????,??????????????.
12????????????
?????????????????
Neu Pos Neg Rej ??
???A 49865 7665 3719 1466 62715
???B 56531 2347 3105 775 62758
????????????????? ???????,???????????.
13????1
????
AdaBoost
????
?????
?????????
14????1-AdaBoost????????
- ????????A,B???0???.
- ?????????,???????.
???A Neu Pos Neg
???? 20 3 1
?????? 49865 7665 3719
????() 0.0401 0.0391 0.0269
- ???B????,??????????????,?????????????????????.
???B Neu Pos Neg
???? 132 106 9
?????? 56531 2347 3105
????() 0.2335 4.5164 0.2899
15????2
EBGM????????????????????
????
AdaBoost
????
?????
?????????
16????2-EBGM???????
???A Neu Pos Neg
???? 2 0 0
?????? 49845 7662 3718
????() 0.0040 0.0000 0.0000
- ??????????????????.
- EBGM???????,????????????????????????.
???B Neu Pos Neg
???? 2 20 0
?????? 56399 2241 3096
????() 0.0035 0.8925 0.0000
17????
SVM?????????????????????
????
AdaBoost
????
?????
?????????
18????-SVM????????
- ????????,4??3???????????,?????????????.???1???????
????.(??????????) - ???????
- ???????????????????????????,Rejective???
- ???????????????,?????????????,??????????
19????-SVM???????
20??
- ??????87.6,??????88.0???????????.
- ????Positive?Negative???????,??????????????,?????N
eutral?????????????. - 1?????????????1??????????????,?????????????,??????
??.
21????
22?????????
EBGM?????????????,Neutral, Positive, Negative,
Rejective???4????????????????,????????
- ?????????????????????
- ??????????
- ??????????
- ?????????????????,??????????????
23(No Transcript)
24????-Confusion matrix ???A
???A Neu Pos Neg Rej ?? ???()
Neu 48275 443 525 622 49865 96.81
Pos 743 6907 1 14 7665 90.11
Neg 356 107 3250 6 3719 87.39
Rej 135 0 5 1326 1466 90.45
?? 49509 7457 3781 1968 62715 91.19
???() 97.51 92.62 85.96 67.38 85.87
25????-Confusion matrix ???B
???B Neu Pos Neg Rej ?? ???()
Neu 56068 138 264 61 56531 99.18
Pos 231 2076 8 32 2347 88.45
Neg 641 24 2402 38 3105 77.36
Rej 203 0 21 551 775 71.10
?? 57143 2238 2695 682 62758 84.02
???() 98.12 92.76 89.13 80.79 90.20