Saturday 23rd of September 2017
 

Energy Aware Adaptive Image Transmission Scheme with Data Authentication in Wireless Sensor Networks


Alice Abraham and Narendra Kumar G

Wireless Multimedia Sensor Networks (WMSNs) are gaining research interest due to the availability of low-cost cameras and CMOS image sensors, also due to their broad application opportunities. The energy and resource constrained environment of WMSNs calls for low complexity energy aware image authentication and transmission schemes with minimal overheads. The proposed scheme enhances the data security with stream authentication while minimising the energy utilization for the authentication as well as transmission by adopting a preferential transmission based on the importance of the data packets in the code stream. Inherent correlation among neighbouring pixels in an image and the multi resolution capability of wavelet coding is exploited to propose an adaptive priority based image authentication and transmission scheme. Simulation results show an encouraging and improved energy efficiency without compromising reconstructed visual quality.

Keywords: DWT; scalable; stream authentication; WMSNs.

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ABOUT THE AUTHORS

Alice Abraham
graduate in Electrical Engineering and a post graduate in Power Electronics , both from University Visvesvayraya College of Engineering, Bangalore, India. Currently a Research Scholar in Bangalore University in the Department of Electronics & Communication, she is actively involved in research in the areas energy efficiency and applications of wireless sensor networks under the guidance of Professor Narendra Kumar G

Narendra Kumar G
obtained Masters Degree in Electrical Communication Engineering, (Computer Science & Communication) from Indian Institute of Science, Bangalore, Karnataka, India in 1987. Was awarded PhD in Electrical Engineering(Computer Network) from Bangalore University, Bangalore, Karnataka, India in 2006. Currently Professor in the Department of Electronics & Communication Engineering, University Visvesvaraya College of Engineering., Bangalore University, Bangalore, held the positions of Associate Professor, Lecturer and Director of Students Welfare. Research interests include Mobile Communication, Wireless Communication, E-Commerce, Robotics and Computer Network.


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