Semantic label sharing for learning with many categories

  • Authors:
  • Rob Fergus;Hector Bernal;Yair Weiss;Antonio Torralba

  • Affiliations:
  • Courant Institute, New York University;CSAIL, MIT;School of Computer Science, Hebrew University;CSAIL, MIT

  • Venue:
  • ECCV'10 Proceedings of the 11th European conference on Computer vision: Part I
  • Year:
  • 2010

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Abstract

In an object recognition scenario with tens of thousands of categories, even a small number of labels per category leads to a very large number of total labels required. We propose a simple method of label sharing between semantically similar categories. We leverage the WordNet hierarchy to define semantic distance between any two categories and use this semantic distance to share labels. Our approach can be used with any classifier. Experimental results on a range of datasets, upto 80 million images and 75,000 categories in size, show that despite the simplicity of the approach, it leads to significant improvements in performance.