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Erschienen in:
2009 | OriginalPaper | Buchkapitel
A Confidence-Based Update Rule for Self-updating Human Face Recognition Systems
verfasst von : Sri-Kaushik Pavani, Federico M. Sukno, Constantine Butakoff, Xavier Planes, Alejandro F. Frangi
Erschienen in: Advances in Biometrics
Verlag: Springer Berlin Heidelberg
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The aim of this paper is to present an automatic update rule to make a face recognition system adapt itself to the continuously changing appearance of users. The main idea is that every time the system interacts with a user, it adapts itself to include his or her current appearance, and thus, it always stays up-to-date. We propose a novel quality measure, which is used to decide whether the information just learnt from a user can be used to aggregate to what the system already knows. In the absence of databases that suit our needs, we present a publicly available database with 14,279 images of 35 users and 74 impostors acquired in a span of 5 months. Experiments on this database show that the proposed measure is adequate for a system to learn the current appearance of users in a non-supervised manner.