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Private Information Retrieval (PIR) allows users to retrieve information from a database without revealing the content of these queries to anyone. The traditional information- theoretic PIR schemes utilize multiple servers to download single data block, thus incur high communication overhead and high computation burden. In this paper, we develop an Information- theoretic multi-block PIR scheme that...
An advanced sports video browsing and retrieval system based on multimodal analysis, SportsBR, is proposed in this work. Its main features include event-based sports video browsing and keyword-based sports video retrieval. The paper first defines the basic structure of our SportsBR system, and then introduces a novel approach that integrates multimodal analysis, such as visual streams analysis, speech...
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