Enabling low bit-rate and reliable video surveillance over practical wireless sensor network |
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Authors: | Min Chen Sergio González Huasong Cao Yan Zhang Son T Vuong |
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Affiliation: | 1. School of Comp. Sci. & Eng., Seoul National University, Seoul, South Korea 2. Dept. of Elect. & Comp. Eng., Univ. of British Columbia, Vancouver, Canada 3. Simula Research Laboratory, Lysaker, Norway 4. IFI, University of Oslo, Oslo, Norway 5. Dept. of Computer Science, Univ. of British Columbia, Vancouver, Canada
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Abstract: | With the rapid development of hardware and embedded systems, wireless sensor networks (WSNs) are being developed for surveillance applications. While meriting more in-depth research and development, deploying a practical WSN for surveillance is challenging due to the limited power and bandwidth of the battery-operated sensor nodes. In this paper, we first propose an energy-efficient image transportation strategy through motion detection. In case of data delivery over long distance, this paper further investigates the use of cooperative communications to design a reliable image transmission scheme over WSN, and demonstrates its effectiveness in improving network reliability in wireless multimedia sensor networks. |
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