Local descriptors encoded by fisher vectors for person re-identification

  • Authors:
  • Bingpeng Ma;Yu Su;Frédéric Jurie

  • Affiliations:
  • GREYC -- CNRS UMR 6072, University of Caen Basse-Normandie, Caen, France;GREYC -- CNRS UMR 6072, University of Caen Basse-Normandie, Caen, France;GREYC -- CNRS UMR 6072, University of Caen Basse-Normandie, Caen, France

  • Venue:
  • ECCV'12 Proceedings of the 12th international conference on Computer Vision - Volume Part I
  • Year:
  • 2012

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Abstract

This paper proposes a new descriptor for person re-identification building on the recent advances of Fisher Vectors. Specifically, a simple vector of attributes consisting in the pixel coordinates, its intensity as well as the first and second-order derivatives is computed for each pixel of the image. These local descriptors are turned into Fisher Vectors before being pooled to produce a global representation of the image. The so-obtained Local Descriptors encoded by Fisher Vector (LDFV) have been validated through experiments on two person re-identification benchmarks (VIPeR and ETHZ), achieving state-of-the-art performance on both datasets.