Retrieval of Multimedia Objects by Combining Semantic Information from Visual and Textual Descriptors

  • Mats Sjöberg
  • Jorma Laaksonen
  • Matti Pöllä
  • Timo Honkela
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4132)

Abstract

We propose a method of content-based multimedia retrieval of objects with visual, aural and textual properties. In our method, training examples of objects belonging to a specific semantic class are associated with their low-level visual descriptors (such as MPEG-7) and textual features such as frequencies of significant keywords. A fuzzy mapping of a semantic class in the training set to a class of similar objects in the test set is created by using Self-Organizing Maps (SOMs) trained from automatically extracted low-level descriptors. We have performed several experiments with different textual features to evaluate the potential of our approach in bridging the gap from visual features to semantic concepts by the use textual presentations. Our initial results show a promising increase in retrieval performance.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Mats Sjöberg
    • 1
  • Jorma Laaksonen
    • 1
  • Matti Pöllä
    • 1
  • Timo Honkela
    • 1
  1. 1.Laboratory of Computer and Information ScienceHelsinki University of TechnologyHUTFinland

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