Attributed Graph Matching for Image-Features Association Using SIFT Descriptors

  • Gerard Sanromà
  • René Alquézar
  • Francesc Serratosa
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6218)

Abstract

Image-features matching based on SIFT descriptors is subject to the misplacement of certain matches due to the local nature of the SIFT representations. Some well-known outlier rejectors aim to remove those misplaced matches by imposing geometrical consistency. We present two graph matching approaches (one continuous and one discrete) aimed at the matching of SIFT features in a geometrically consistent way. The two main novelties are that, both local and contextual coherence are imposed during the optimization process and, a model of structural consistency is presented that accounts for the quality rather than the quantity of the surrounding matches. Experimental results show that our methods achieve good results under various types of noise.

Keywords

attributed graph matching SIFT image registration discrete labeling softassign 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  • Gerard Sanromà
    • 1
  • René Alquézar
    • 2
  • Francesc Serratosa
    • 1
  1. 1.Departament d’Enginyeria Informàtica i MatemàtiquesUniversitat Rovira i VirgiliTarragonaSpain
  2. 2.Institut de Robtica i Informtica Industrial, CSIC-UPCBarcelonaSpain

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