J. Aldrin Raj

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Video object segmentation and tracking are two essential building blocks of smart surveillance systems. However, there are several issues that need to be resolved. Threshold decision is a difficult problem for video object segmentation with a multibackground model.Addition to , some conditions make robust video object tracking difficult. These conditions(More)
Built upon a shared wireless medium, wireless sensor network is particularly vulnerable to jamming attacks. These attacks can easily be accomplished by an adversary by either bypassing MAC-layer protocols or emitting a radio signal targeted at jamming a particular channel. This paper considers a scenario where a sophisticated jammer jams an area in a(More)
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