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Issue No. 10 - October (2010 vol. 32)
ISSN: 0162-8828
pp: 1758-1769
Zhi-Hua Zhou , Nanjing University, Nanjing
Yin Zhang , Nanjing University, Nanjing
Most traditional face recognition systems attempt to achieve a low recognition error rate, implicitly assuming that the losses of all misclassifications are the same. In this paper, we argue that this is far from a reasonable setting because, in almost all application scenarios of face recognition, different kinds of mistakes will lead to different losses. For example, it would be troublesome if a door locker based on a face recognition system misclassified a family member as a stranger such that she/he was not allowed to enter the house, but it would be a much more serious disaster if a stranger was misclassified as a family member and allowed to enter the house. We propose a framework which formulates the face recognition problem as a multiclass cost-sensitive learning task, and develop two theoretically sound methods for this task. Experimental results demonstrate the effectiveness and efficiency of the proposed methods.
Face recognition, cost-sensitive face recognition, cost-sensitive learning, multiclass cost-sensitive learning.
Zhi-Hua Zhou, Yin Zhang, "Cost-Sensitive Face Recognition", IEEE Transactions on Pattern Analysis & Machine Intelligence, vol. 32, no. , pp. 1758-1769, October 2010, doi:10.1109/TPAMI.2009.195
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