Scene Discovery by Matrix Factorization

  • Authors:
  • Nicolas Loeff;Ali Farhadi

  • Affiliations:
  • University of Illinois at Urbana-Champaign, Urbana IL 61801;University of Illinois at Urbana-Champaign, Urbana IL 61801

  • Venue:
  • ECCV '08 Proceedings of the 10th European Conference on Computer Vision: Part IV
  • Year:
  • 2008

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Abstract

What constitutes a scene? Defining a meaningful vocabulary for scene discovery is a challenging problem that has important consequences for object recognition. We consider scenes to depict correlated objects and present visual similarity. We introduce a max-margin factorization model that finds a low dimensional subspace with high discriminative power for correlated annotations. We postulate this space should allow us to discover a large number of scenes in unsupervised data; we show scene discrimination results on par with supervised approaches. This model also produces state of the art word prediction results including good annotation completion.