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RESEARCH below these lines
Selected dataset sequences: (a) MBGC, (b) CMU MoBo, (c) First Honda/UCSD, and (d) YouTube Celebrities. This research is supported by the Central Intelligence Agency, the Biometrics Task Force and the Technical Support Working Group through US Army contract W91CRB-08-C-0093. The opinions, (cid:12)ndings, and conclusions or recommendations expressed in this publication are those of the authors and do not necessarily re(cid:13)ect the views of our sponsors.