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Real-Time Unequal Error Protection for Wireless Imaging
Responsible organisation
2011 (English)Conference paper, (Refereed) Published
Abstract [en]

In this paper, we propose a new unequal error protection (UEP) scheme for wireless imaging. Our technique is based on approximating the optimal parity distribution using offline and online processing. For a given parity budget and signal to-noise ratio (SNR), the offline processing is responsible for obtaining the optimal parity distribution and an approximation of it using polynomial curve fitting. Subsequently, in the online processing, the obtained polynomial parameters are used to regenerate the parity distribution curve. Eventually, channel codes are assigned to the packets of the codestream based on the regenerated parity distribution curve. The complexity of the proposed technique is very low which makes it suitable for real-time wireless imaging, especially for mobile devices that have low processing power and operate with very low memory. Despite having very low complexity, the proposed UEP technique gives still close to optimal performance.

Place, publisher, year, edition, pages
Houston: IEEE , 2011.
Keyword [en]
Wireless imaging, curve fitting, real time UEP, SSIM, perceptual quality.
National Category
Telecommunications Signal Processing
Identifiers
URN: urn:nbn:se:bth-7338ISI: 000304097200142Local ID: oai:bth.se:forskinfo2FD9C7A652E471C3C125797C00737EEDOAI: oai:DiVA.org:bth-7338DiVA: diva2:834945
Conference
IEEE GLOBECOM 2011 - MMCOM Workshop
Available from: 2012-09-18 Created: 2012-01-05 Last updated: 2015-06-30Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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