Energy Efficient Video Surveillance in Wireless Sensor Networks Under Grid Coverage Over Barrier Coverage
Proceedings of 3rd International Conference on Internet of Things and Connected Technologies (ICIoTCT), 2018 held at Malaviya National Institute of Technology, Jaipur (India) on March 26-27, 2018
8 Pages Posted: 4 May 2018
Date Written: April 25, 2018
The growth in hardware technology such as the availability of small-scale array sensors, low cost CMOS cameras and microphones has prompted the development of networks of sensor nodes equipped with multimedia devices such as Micro Electro Mechanical Systems (MEMS). However, for wireless video-based sensor nodes transmitting a video stream is difficult using the contemporary protocols. Camera based Wireless Multimedia Sensor Network (WMSN) behaves quite differently from the traditional networks in the sense that it involves a directional sensing model, a complex innode processing and a need to transfer large amount of data. These generally results in high transmission time and the communication overhead is significant. To ensure longevity of applications, reduction in energy consumption is of prime importance. Hence, one of the simplest way to reduce the energy in video surveillance applications is to opt for barrier coverage instead of blanket coverage. However, the detection of the intruder and its success the rate ratio is highly dependent on the width of the barrier, the speed and position of the entering event. In this paper, we propose a novel energy conservation technique for video transmission in WMSN that toggles between grid coverage and barrier coverage. The objective is to achieve trade-off between energy consumption and reliability of detection. Simulations were performed and the results are presented which justifies the effectiveness of the approach.
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