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The Computer Journal Advance Access originally published online on July 11, 2005
The Computer Journal 2005 48(5):536-544; 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

Dynamically Emerging Semantics in an MPEG-7 Image Database

William Grosky1 *, Nilesh Patel1 §, Xin Li2 and Farshad Fotouhi2

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

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.

Received 30 November 2004. revised 31 March 2005.

* Email: wgrosky{at}umich.edu

§ Email: patelnv{at}umich.edu


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