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In this paper, we introduce a new strategy of using VANET nodes with visual sensors and wireless transceivers to build an instant camera barrier for a given mission period. Given a set of properly equipped VANET nodes whose drivers voluntarily join the protocol by exposing their future travel plans and use onboard equipment to transmit realtime video to the authority, we aim to maintain the barrier...
A camera sensor network is a sensor network of a group of camera sensors and is being deployed for various surveillance and monitoring applications. In this paper, we propose a new surveillance model for camera sensor network, namely half-view model, which requires a camera sensor network to capture the face image of any object if it moves forward to pass over an area of interest...
This paper identifies a new security problem of existing scheduling algorithms for barrier-coverage of sensors, which never considered before. A barrier-cover of wireless sensors is a subset of sensors seamlessly spanning between two opposite sides such that no intruder can move from one side to the other without being detected. The goal of the scheduling algorithms is to find a sleep-wakeup schedule...
In this paper, we study a novel coverage problem where each target has differentiated coverage quality requirement in directional sensor network. Since extending network lifetime is a very important issue in directional sensor network, we address the Maximal Network Lifetime Scheduling Problem (MNLS) which organizes the directions of sensors into a group of non-disjoint cover sets. One cover set which...
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