Fisher Vector Faces in the Wild
published: April 3, 2014, recorded: September 2013, views: 4506
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Several recent papers on automatic face verification have significantly raised the performance
bar by developing novel, specialised representations that outperform standard
features such as SIFT for this problem.
This paper makes two contributions: first, and somewhat surprisingly, we show that Fisher vectors on densely sampled SIFT features, i.e. an off-the-shelf object recognition representation, are capable of achieving state-of-the-art face verification performance on the challenging “Labeled Faces in the Wild” benchmark; second, since Fisher vectors are very high dimensional, we show that a compact descriptor can be learnt from them using discriminative metric learning. This compact descriptor has a better recognition accuracy and is very well suited to large scale identification tasks.
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