A Unified Indexing Structure for Efficient Cross-Media Retrieval

  • Authors:
  • Yi Zhuang;Qing Li;Lei Chen

  • Affiliations:
  • College of Computer & Information Engineering, Zhejiang Gongshang University, P.R.China and Zhejiang Provincial Key Laboratory of Information Network Technology, P.R.China;Dept of Computer Science, City University of Hong Kong, HKSAR, P.R.China;Dept of Computer Science & Engineering, HKUST, HKSAR, P.R.China

  • Venue:
  • DASFAA '09 Proceedings of the 14th International Conference on Database Systems for Advanced Applications
  • Year:
  • 2009

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Abstract

An important trend in web information processing is the support of content-based multimedia retrieval (CBMR). However, the most prevailing paradigm of CBMR, such as content-based image retrieval, content-based audio retrieval, etc, is rather conservative. It can only retrieve media objects of single modality. With the rapid development of Internet, there is a great deal of media objects of different modalities in the multimedia documents such as webpages, which exhibit latent semantic correlation. Cross-media retrieval, as a new multi-media retrieval method, is to retrieve all the related media objects with multi-modalities via submitting a query media object. To the best of our knowledge, this is the first study on how to speed up the cross-media retrieval via indexes. In this paper, based on a Cross-Reference-Graph(CRG )-based similarity retrieval method, we propose a novel unified high-dimensional indexing scheme called CIndex , which is specifically designed to effectively speedup the retrieval performance of the large cross-media databases. In addition, we have conducted comprehensive experiments to testify the effectiveness and efficiency of our proposed method.