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The Computer Journal Advance Access published online on July 11, 2005
The Computer Journal, doi:10.1093/comjnl/bxh116
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© The Author 2005. Published by Oxford University Press on behalf of The British Computer Society. All rights reserved. For Permissions, please email: journals.permissions@oupjournals.org
Received November 30, 2004
Revised March 31, 2005

Article

Dynamically Emerging Semantics in an MPEG-7 Image Database

William Grosky 1*, Nilesh Patel 1, Xin Li 2, and Farshad Fotouhi 2

1 Department of Computer and Information Science, University of Michigan-Dearborn, Dearborn, MI, USA
2 Department of Computer Science, Wayne State University, Detroit, MI, USA

* To whom correspondence should be addressed.
William Grosky, E-mail: wgrosky{at}umich.edu


  Abstract

We examine the efficacy of using MPEG-7 in a native XML database environment for managing aerial image data. This application domain exhibits unique challenges in the management of image data which is continually changing, requiring continuous update of the schemas and methods for mining various geographic region properties. We show how MPEG-7 descriptors can be associated with aerial images and their derived features at each stage of the image insertion process, producing a multifaceted integrated representation, which can be used to give the database administrator an indication as to when this representation should be rebuilt, so as to result in improved retrieval behavior. In the absence of specialized indexes for inexact descriptor matching, we also show how MPEG-7 descriptors can be used to speed up this process.


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