• DocumentCode
    2480193
  • Title

    A hypergraph-based approach to affine parameters estimation

  • Author

    Buló, S. Rota ; Albarelli, A. ; Torsello, A. ; Pelillo, M.

  • Author_Institution
    Dipt. di Inf., Univ. Ca´´ Foscari di Venezia, Venice
  • fYear
    2008
  • fDate
    8-11 Dec. 2008
  • Firstpage
    1
  • Lastpage
    4
  • Abstract
    A problem commonly encountered in computer vision is the recovery of the transformation parameters between two affinely distorted images. In this paper, we propose a novel feature-based approach that casts the matching problem to the search of a maximum clique over an auxiliary hypergraph. We also introduce a continuous-based characterization of cliques in hypergraphs that allows us to handle the hard combinatorial problem using tools from the continuous domain. Finally, we present experimental result and comparisons with a state-of-the-art algorithm.
  • Keywords
    affine transforms; computer vision; feature extraction; graph theory; image matching; search problems; affinely distorted image; computer vision; feature-based approach; hard combinatorial problem; hypergraph-based approach; matching problem; maximum clique search; state-of-the-art algorithm; transformation parameter estimation; Computer vision; Detectors; Feature extraction; Frequency domain analysis; Image analysis; Image converters; Parameter estimation; Phase detection; Phase estimation; Voting;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Pattern Recognition, 2008. ICPR 2008. 19th International Conference on
  • Conference_Location
    Tampa, FL
  • ISSN
    1051-4651
  • Print_ISBN
    978-1-4244-2174-9
  • Electronic_ISBN
    1051-4651
  • Type

    conf

  • DOI
    10.1109/ICPR.2008.4761349
  • Filename
    4761349