The kernel semi-least squares method for sparse distance approximation

  • Authors:
  • Samuel Epstein;Margrit Betke

  • Affiliations:
  • -;-

  • Venue:
  • Neural Computation
  • Year:
  • 2013

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Abstract

We extend the semi-least squares problem defined by Rao and Mitra 1971 to the kernel semi-least squares problem. We introduce subset projection, a technique that produces a solution to this problem. We show how the results of subset projection can be used to approximate a computationally expensive distance metric.