Improving Automatic Video Retrieval with Semantic Concept Detection

  • Markus Koskela
  • Mats Sjöberg
  • Jorma Laaksonen
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5575)

Abstract

We study the usefulness of intermediate semantic concepts in bridging the semantic gap in automatic video retrieval. The results of a series of large-scale retrieval experiments, which combine text-based search, content-based retrieval, and concept-based retrieval, is presented. The experiments use the common video data and sets of queries from three successive TRECVID evaluations. By including concept detectors, we observe a consistent improvement on the search performance, despite the fact that the performance of the individual detectors is still often quite modest.

Keywords

Automatic Speech Recognition Semantic Concept Mean Average Precision Video Retrieval Concept Ontology 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  • Markus Koskela
    • 1
  • Mats Sjöberg
    • 1
  • Jorma Laaksonen
    • 1
  1. 1.Department of Information and Computer ScienceHelsinki University of Technology (TKK)EspooFinland

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