A Differential Coding-Based Scheduling Framework for Wireless Multimedia Sensor Networks

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Provided by: Institute of Electrical & Electronic Engineers
Topic: Networking
Format: PDF
In Wireless Multimedia Sensor Networks (WMSNs), visual correlation exists among multiple nearby cameras, thus leading to considerable redundancy in the collected images. This paper proposes a differential coding-based scheduling framework for efficiently gathering visually correlated images. This framework consists of two components including MinMax Degree Hub Location (MDHL) and Maximum Lifetime Scheduling (MLS). The MDHL problem aims to find the optimal locations for the multimedia processing hubs, which operate on different channels for concurrently collecting images from adjacent cameras, such that the number of channels required for frequency reuse is minimized.
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