Hierarchical graph-based media content representation for real time search in large scale multimedia databases

Authors:
Nikos Papadakis;Nikolaos Doulamis;Anastasios Doulamis
Affiliations:
Unversity of Crete, Iraklio, Greece;National Technical Universtity of Athens, Athens, Greece;National Technical Universtity of Athens, Athens, Greece
Venue:
SIP '07 Proceedings of the Ninth IASTED International Conference on Signal and Image Processing
Year:
2007

Citing 5
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Abstract

This paper presents a system architecture and the appropriate algorithms for confidential searching of multimedia digital libraries. The proposed scheme uses Middleware service layer that allows pre-processing of raw content with technology owned by the Search Engine, without compromising the security of the original architecture in any way. The specific search algorithms described are a hierarchical graph structure algorithm for preprocessing, and a backtracking search algorithm that achieves good real-time performance (speed, and precision-recall values) under the given security constraints.