Motion compensation based on tangent distance prediction for video compression

  • Authors:
  • Jonathan Fabrizio;Séverine Dubuisson;Dominique Béréziat

  • Affiliations:
  • LRDE-EPITA, 14-16, rue Voltaire, F-94276 Le Kremlin Bicêtre Cedex, France;Université Pierre et Marie Curie, Laboratoire d'Informatique de Paris 6, 4 place Jussieu, Paris 75252 Cedex, France;Université Pierre et Marie Curie, Laboratoire d'Informatique de Paris 6, 4 place Jussieu, Paris 75252 Cedex, France

  • Venue:
  • Image Communication
  • Year:
  • 2012

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Abstract

We present a new algorithm for motion compensation that uses a motion estimation method based on tangent distance. The method is compared with a Block-Matching based approach in various common situations. Whereas Block-Matching algorithms usually only predict positions of blocks over time, our method also predicts the evolution of pixels into these blocks. The prediction error is then drastically decreased. The method is implemented into the Theora codec proving that this algorithm improves the video codec performances.