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Pruned Resampling: Probabilistic Model Selection Schemes for Sequential Face Recognition Atsushi MATSUI Simon CLIPPINGDALE Takashi MATSUMOTO Publication IEICE TRANSACTIONS on Information and Systems Vol.E90-D No.8 pp.1151-1159 Publication Date: 2007/08/01 Online ISSN: 1745-1361 DOI: 10.1093/ietisy/e90-d.8.1151 Print ISSN: 0916-8532 Type of Manuscript: Special Section PAPER (Special Section on Image Recognition and Understanding) Category: Keyword: Sequential Monte Carlo, model comparison, face recognition, pruning, resampling, Full Text: PDF(942.4KB)>>
Summary: This paper proposes probabilistic pruning techniques for a Bayesian video face recognition system. The system selects the most probable face model using model posterior distributions, which can be calculated using a Sequential Monte Carlo (SMC) method. A combination of two new pruning schemes at the resampling stage significantly boosts computational efficiency by comparison with the original online learning algorithm. Experimental results demonstrate that this approach achieves better performance in terms of both processing time and ID error rate than a contrasting approach with a temporal decay scheme. | ||||||||||
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