Elastic block set reconstruction for face recognition

Authors:
Dong Li;Xudong Xie;Kin-Man Lam;Zhigang Jin
Affiliations:
Department of Electronic and Information Engineering, The Hong Kong Polytechnic University;TNLIST and Department of Automation, Tsinghua University;Department of Electronic and Information Engineering, The Hong Kong Polytechnic University;School of Computer Science and Technology, Tianjin University
Venue:
ICIP'09 Proceedings of the 16th IEEE international conference on Image processing
Year:
2009

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Abstract

In this paper, a novel face recognition algorithm named elastic block set reconstruction (EBSR) is proposed. In our method, the EBSR face is used to represent a set of training faces and to simulate different factors in a query image. An EBSR face is constructed by using the blocks from the training face images which best match to the blocks of the query image at the corresponding locations. The elastic local reconstruction (ELR) error is then used to evaluate how well a block pair matches, and the query image is classified based on the accumulated reconstruction error. The proposed method can effectively explore local information in the training set and deal with various conditions well. Also, the reconstruction error can be considered as a kind of dissimilarity measure, which gives a new approach to designing the training set so as to maximize robustness of recognition. Experiments show that consistent and promising results are obtained.