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      Wireless Multimedia Sensor Networks: Current Trends and Future Directions

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          Abstract

          Wireless Multimedia Sensor Networks (WMSNs) have emerged and shifted the focus from the typical scalar wireless sensor networks to networks with multimedia devices that are capable to retrieve video, audio, images, as well as scalar sensor data. WMSNs are able to deliver multimedia content due to the availability of inexpensive CMOS cameras and microphones coupled with the significant progress in distributed signal processing and multimedia source coding techniques. In this paper, we outline the design challenges of WMSNs, give a comprehensive discussion of the proposed architectures, algorithms and protocols for the different layers of the communication protocol stack for WMSNs, and evaluate the existing WMSN hardware and testbeds. The paper will give the reader a clear view of the state of the art at all aspects of this research area, and shed the light on its main current challenges and future trends. We also hope it will foster discussions and new research ideas among its researchers.

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          Most cited references 121

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          A survey on wireless multimedia sensor networks

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            Distributed Video Coding

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              MMSPEED: multipath Multi-SPEED protocol for QoS guarantee of reliability and. Timeliness in wireless sensor networks

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                Author and article information

                Journal
                Sensors (Basel)
                Sensors (Basel, Switzerland)
                Molecular Diversity Preservation International (MDPI)
                1424-8220
                2010
                9 July 2010
                : 10
                : 7
                : 6662-6717
                Affiliations
                [1 ] Computer Architecture Department, Technical University of Catalunya, Barcelona, Spain; E-Mails: guerrero@ 123456ac.upc.edu (M.G.Z.); jmorillo@ 123456ac.upc.edu (J.M.P.)
                [2 ] Computer Engineering Department, The Hashemite University, Zarqa, Jordan; E-Mail: jkaraki@ 123456hu.edu.jo (J.N.A.-K.)
                Author notes
                [] Author to whom correspondence should be addressed; E-Mail: islam@ 123456ac.upc.edu ; Tel.: +34 9340 11655
                Article
                sensors-10-06662
                10.3390/s100706662
                3231118
                22163571
                © 2010 by the authors licensee MDPI, Basel, Switzerland.

                This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license ( http://creativecommons.org/licenses/by/3.0/).

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