Resource Extension in Visual Sensor Network for Panoramic Image Generation
محل انتشار: بیستمین کنفرانس مهندسی برق ایران
سال انتشار: 1391
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 1,044
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شناسه ملی سند علمی:
ICEE20_509
تاریخ نمایه سازی: 14 مرداد 1391
چکیده مقاله:
A visual sensor network (VSN) is constructed by a set of small and low cost sensor nodes which can produce images or videos from a sensed area. Different solutionsexist to prolong the lifetime of such networks by considering the remaining energy of the sensors. In this paper surveillance of air space through a terrestrial VSN withrandomly distributed sensors is considered. The goal of the network is to form a panoramic image. Hence, it isnecessary that the sensors generate a full coverage of the monitored area. It is shown that only a subset of distributed sensors could form the required panoramic image. For thispurpose we describe the steps of selection of sensors, formation of full coverage and generation of panoramicimage from the captured data. Two novel methods for sensor selection are proposed. For elongation of network’s lifetime, we prove that considering the area covered by eachsensor, as well as the overlap between the selected sensors, have better results than only considering the energy of each sensor.
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