Energy and distortion analysis of video compresion schemes for wireless video sensor networks

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2011
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Ullah, Saeed
Khalid, Junaid
Khayam, Syed Ali
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2011 - MILCOM 2011 Military Communications Conference. IEEE, 2011, pp. 822-827. ISBN 978-1-4673-0079-7. Available under: doi: 10.1109/MILCOM.2011.6127779
Zusammenfassung

Wireless Video Sensor Networks (WVSNs) - a type of WSNs - comprise of sensor nodes that can capture, process and communicate video frames. The battery powered sensor nodes have limited hardware resources while video processing and communication are resource intensive tasks i.e., require high- end processors, large memory and bandwidth. Video encoding is a popular method used to reduce the communication overhead but being an inherently complex process it results in higher com- putational energy-drain on video sensor nodes. This establishes an interesting computation-communication tradeoff for energy efficient video communication (encoding and transmission) in WVSNs. In this paper, we study this computation-communication tradeoff under Intel-imote2 based single-hop and multi-hop video sensor networks testbed by empirically evaluating selected imple- mentations of the MPEG-4 (Part 2) and H.264/AVC encoders. The analysis has been carried out to characterize the performance of encoders in terms of energy efficiency, compression efficiency and video distortion. The experimental results show that in single-hop WVSNs, MPEG-4 is energy efficient over H.264 whilst in multi- hop WVSNs, H.264 is energy efficient over MPEG-4.

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004 Informatik
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Video compression/communication, Wireless Video Sensor Networks (WVSNs), Energy efficiency
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MILCOM 2011 - 2011 IEEE Military Communications Conference, 7. Nov. 2011 - 10. Nov. 2011, Baltimore, MD, USA
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ISO 690ULLAH, Saeed, Junaid Jameel AHMAD, Junaid KHALID, Syed Ali KHAYAM, 2011. Energy and distortion analysis of video compresion schemes for wireless video sensor networks. MILCOM 2011 - 2011 IEEE Military Communications Conference. Baltimore, MD, USA, 7. Nov. 2011 - 10. Nov. 2011. In: 2011 - MILCOM 2011 Military Communications Conference. IEEE, 2011, pp. 822-827. ISBN 978-1-4673-0079-7. Available under: doi: 10.1109/MILCOM.2011.6127779
BibTex
@inproceedings{Ullah2011-11Energ-18444,
  year={2011},
  doi={10.1109/MILCOM.2011.6127779},
  title={Energy and distortion analysis of video compresion schemes for wireless video sensor networks},
  isbn={978-1-4673-0079-7},
  publisher={IEEE},
  booktitle={2011 - MILCOM 2011 Military Communications Conference},
  pages={822--827},
  author={Ullah, Saeed and Ahmad, Junaid Jameel and Khalid, Junaid and Khayam, Syed Ali}
}
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