Analytical dynamic programming matching

  • Authors:
  • Seiichi Uchida;Satoshi Hokahori;Yaokai Feng

  • Affiliations:
  • Kyushu University, Fukuoka, Japan;Kyushu University, Fukuoka, Japan;Kyushu University, Fukuoka, Japan

  • Venue:
  • ECCV'12 Proceedings of the 12th international conference on Computer Vision - Volume Part I
  • Year:
  • 2012

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Abstract

In this paper, we show that the truly two-dimensional elastic image matching problem can be solved analytically using dynamic programming (DP) in polynomial time if the problem is formulated as a maximum a posteriori problem using Gaussian distributions for the likelihood and prior. After giving the derivation of the analytical DP matching algorithm, we evaluate its performance on handwritten character images containing various nonlinear deformations, and compare other elastic image matching methods.