| Paper Abstract and Keywords |
| Presentation |
2007-02-23 17:00
Asymptotic Efficiency of Maximum Likelihood Estimation in Face Tracking Model Identification
Xin Lu, Kiyoshi Nishiyama (Iwate Univ.) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
This paper discusses the asymptotic efficiency of the maximum likelihood estimation (MLE) when the face tracking model is specified as vector autoregression (VAR). When the size of the data vector in VAR is enlarged a little, the asymptotic distributions of the estimates by MLE become too wide to satisfy the precision requirement. Consequently, it is necessary to largely increase the quantity of the tested data for shortening the asymptotic distributions and obtaining the suitable estimates. In this paper, we give an explanation of this phenomenon and suggest user to avoid using a very long-term MLE to obtain the estimates of VAR in large size in face tracking. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
VAR / MLE / asymptotic distribution / tracking model / / / / |
| Reference Info. |
IEICE Tech. Rep., vol. 106, no. 539, PRMU2006-234, pp. 73-77, Feb. 2007. |
| Paper # |
PRMU2006-234 |
| Date of Issue |
2007-02-16 (PRMU, HIP) |
| ISSN |
Print edition: ISSN 0913-5685 |
| Download PDF |
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| Conference Information |
| Committee |
PRMU HIP |
| Conference Date |
2007-02-22 - 2007-02-23 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
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| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
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| Paper Information |
| Registration To |
PRMU |
| Conference Code |
2007-02-PRMU-HIP |
| Language |
English |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Asymptotic Efficiency of Maximum Likelihood Estimation in Face Tracking Model Identification |
| Sub Title (in English) |
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| Keyword(1) |
VAR |
| Keyword(2) |
MLE |
| Keyword(3) |
asymptotic distribution |
| Keyword(4) |
tracking model |
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| Keyword(6) |
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| 1st Author's Name |
Xin Lu |
| 1st Author's Affiliation |
Iwate University (Iwate Univ.) |
| 2nd Author's Name |
Kiyoshi Nishiyama |
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Iwate University (Iwate Univ.) |
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| Speaker |
Author-1 |
| Date Time |
2007-02-23 17:00:00 |
| Presentation Time |
30 minutes |
| Registration for |
PRMU |
| Paper # |
PRMU2006-234, HIP2006-127 |
| Volume (vol) |
vol.106 |
| Number (no) |
no.539(PRMU), no.541(HIP) |
| Page |
pp.73-77 |
| #Pages |
5 |
| Date of Issue |
2007-02-16 (PRMU, HIP) |