The correlation between semantic visual similarity and ontology-based concept similarity in effective web image search

  • Authors:
  • Clement. H. C. Leung;Yuanxi Li

  • Affiliations:
  • Computer Science Department, Hong Kong Baptist University, Kowloon Tong, Hong Kong;Computer Science Department, Hong Kong Baptist University, Kowloon Tong, Hong Kong

  • Venue:
  • APWeb'12 Proceedings of the 14th international conference on Web Technologies and Applications
  • Year:
  • 2012

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Abstract

This paper compares the correlations between visual similarity of real-world images and different ontology-based concept similarity in order to find a novel measurement of the relationship between semantic concepts (objects, scenes) in visual domain besides low level feature extraction. For selected concept pairs, we compute their visual similarity and co-occurrence, which is represented by our Probability-based Visual Distance Model (PVDM). Rather than high computational cost of object recognition, by employing the ontology-based concept similarity into query expansion and filtering, the semantic image search and retrieval precision will be much higher. Furthermore, the latent topic will be mapped into images so that users are possible to retrieval the images with satisfying visual characteristic of the target concept.