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Localizing Parts of Faces Using a Consensus of Exemplars
PrePrint
ISSN: 0162-8828
Peter N. Belhumeur, Columbia University, New York
David W. Jacobs, University of Maryland, College Park
David J. Kriegman, University of California, San Diego, La Jolla
Neeraj Kumar, University of Washington, Seattle
We present a novel approach to localizing parts in images of human faces. The approach combines the output of local detectors with a non-parametric set of global models for the part locations based on over one thousand hand-labeled exemplar images. By assuming that the global models generate the part locations as hidden variables, we derive a Bayesian objective function. This function is optimized using a consensus of models for these hidden variables. The resulting localizer handles a much wider range of expression, pose, lighting and occlusion than prior ones. We show excellent performance on real-world face datasets such as Labeled Faces in the Wild (LFW) and a new Labeled Face Parts in the Wild (LFPW), and show that our localizer achieves state-of-the-art performance on the less challenging BioID dataset.
Index Terms:
Face and gesture recognition,Computing Methodologies,Artificial Intelligence,Applications and Expert Knowledge-Intensive Systems,Computer vision,Vision and Scene Understanding,Modeling and recovery of physical attributes,Feature Measurement,Pattern Recognition,Applications
Citation:
Peter N. Belhumeur, David W. Jacobs, David J. Kriegman, Neeraj Kumar, "Localizing Parts of Faces Using a Consensus of Exemplars," IEEE Transactions on Pattern Analysis and Machine Intelligence, 15 Jan. 2013. IEEE computer Society Digital Library. IEEE Computer Society, <http://doi.ieeecomputersociety.org/10.1109/TPAMI.2013.23>
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