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Automated Annotation of Landmark Images Using Community Contributed Datasets and Web Resources

  • Gareth J. F. Jones
  • Daragh Byrne
  • Mark Hughes
  • Noel E. O’Connor
  • Andrew Salway
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6725)

Abstract

A novel solution to the challenge of automatic image annotation is described. Given an image with GPS data of its location of capture, our system returns a semantically-rich annotation comprising tags which both identify the landmark in the image, and provide an interesting fact about it, e.g. “A view of the Eiffel Tower, which was built in 1889 for an international exhibition in Paris”. This exploits visual and textual web mining in combination with content-based image analysis and natural language processing. In the first stage, an input image is matched to a set of community contributed images (with keyword tags) on the basis of its GPS information and image classification techniques. The depicted landmark is inferred from the keyword tags for the matched set. The system then takes advantage of the information written about landmarks available on the web at large to extract a fact about the landmark in the image. We report component evaluation results from an implementation of our solution on a mobile device. Image localisation and matching offers 93.6% classification accuracy; the selection of appropriate tags for use in annotation performs well (F1M of 0.59), and it subsequently automatically identifies a correct toponym for use in captioning and fact extraction in 69.0% of the tested cases; finally the fact extraction returns an interesting caption in 78% of cases.

Keywords

web mining geo-tagged images landmark identification automated image captioning 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Gareth J. F. Jones
    • 1
  • Daragh Byrne
    • 1
    • 2
  • Mark Hughes
    • 1
    • 2
  • Noel E. O’Connor
    • 2
  • Andrew Salway
    • 1
  1. 1.Centre for Digital Video Processing, School of ComputingDublin City UniversityDublin 9Ireland
  2. 2.CLARITY: Centre for Sensor Web TechnologiesDublin City UniversityDublin 9Ireland

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