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Hierarchical histograms-a new representation scheme for image-based data retrieval

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2 Author(s)
Kumar, S. ; Lucent Technol. Bell Labs., Holmdel, NJ, USA ; Seetharaman, G.

This paper proposes a new image representation scheme for database indexing. The application domain is “image-based” indexing as opposed to “content-based” indexing. In other words, given a database of images and associated data, we want to search the database for a known image so as to retrieve the data associated with the image. A concrete example is to search a database of aerial images so as to retrieve the GPS coordinates of a known scene. Our representation is based on a hierarchy of color histograms and offers a compromise between methods based on a global histogram and methods based on multiple histograms corresponding to segmented regions. Our method retains positional information better than the above schemes and naturally leads to a multi-level comparison strategy where mismatches are quickly discarded at higher levels. Our method offers a simple, easily implementable solution to the specific problem of image-based indexing

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Image Processing, 2000. Proceedings. 2000 International Conference on  (Volume:1 )

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