The region-based approach has become a popular research trend in the field of multimedia database retrieval. We present the Region Frequency and Inverse Picture Frequency (RF/sup */IPF) weighting, a measure developed to unify region-based multimedia retrieval systems with text-based information retrieval systems. The weighting measure gives the highest weight to regions that occur often in a small number of images in the database. These regions are considered discriminators. With this weighting measure, we can blend image retrieval techniques with TF/sup */IDF-based text retrieval techniques for large-scale Web applications. The RF/sup */IPF weighting has been implemented as a part of our experimental SIMPLIcity image retrieval system and tested on a database of about 200000 general-purpose images. Experiments have shown that this technique is effective in discriminating images of different semantics. Additionally, the overall similarity approach enables a simple querying interface for multimedia information retrieval systems.


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    Title :

    RF/sup */IPF: a weighting scheme for multimedia information retrieval


    Contributors:
    Wang, J.Z. (author) / Yanping Du, (author)


    Publication date :

    2001-01-01


    Size :

    609889 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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