Mode-Finding for Mixtures of Gaussian Distributions

  • Authors:
  • Miguel Á. Carreira-Perpiñán

  • Affiliations:
  • Georgetown Univ. Medical Center, Washington, DC and Univ. of Sheffield, UK

  • Venue:
  • IEEE Transactions on Pattern Analysis and Machine Intelligence
  • Year:
  • 2000

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Abstract

Gradient-quadratic and fixed-point iteration algorithms and appropriate values for their control parameters are derived for finding all modes of a Gaussian mixture, a problem with applications in clustering and regression. The significance of the modes found is quantified locally by Hessian-based error bars and globally by the entropy as sparseness measure.