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Diverse M-Best Solutions in Markov Random Fields

  • Dhruv Batra
  • Payman Yadollahpour
  • Abner Guzman-Rivera
  • Gregory Shakhnarovich
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7576)

Abstract

Much effort has been directed at algorithms for obtaining the highest probability (MAP) configuration in probabilistic (random field) models. In many situations, one could benefit from additional high-probability solutions. Current methods for computing the M most probable configurations produce solutions that tend to be very similar to the MAP solution and each other. This is often an undesirable property. In this paper we propose an algorithm for the Diverse M-Best problem, which involves finding a diverse set of highly probable solutions under a discrete probabilistic model. Given a dissimilarity function measuring closeness of two solutions, our formulation involves maximizing a linear combination of the probability and dissimilarity to previous solutions. Our formulation generalizes the M-Best MAP problem and we show that for certain families of dissimilarity functions we can guarantee that these solutions can be found as easily as the MAP solution.

Keywords

Lagrangian Relaxation Probable Solution Markov Random Dissimilarity Function Diverse Solution 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Dhruv Batra
    • 1
  • Payman Yadollahpour
    • 1
  • Abner Guzman-Rivera
    • 2
  • Gregory Shakhnarovich
    • 1
  1. 1.TTI-ChicagoUSA
  2. 2.UIUCUSA

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