Unequal error protection for data partitioned H.264/AVC video broadcasting

Sajid Nazir, Dejan Vukobratovic, Vladimir Stankovic, Ivan Andonovic, Kristian Nybom, Stefan Gronroos

Research output: Contribution to journalArticle

5 Citations (Scopus)
165 Downloads (Pure)

Abstract

Application Layer Forward Error Correction (AL-FEC) is becoming a popular addition to protocols for real-time video delivery over IP-based wireless networks. In particular, rateless codes are identified as suitable solution for AL-FEC due to their flexibility and capacity-approaching performance. Since each part of video data is not equally important for video reconstruction, it is beneficial to group it based on its importance, and then provide different degree of protection using Unequal Error Protection (UEP). Data partitioning (DP) is one such low-cost feature in H.264/AVC enabling partitioning of video data based on its importance. We propose schemes for the DP H.264/AVC video transmission using Raptor and Random Linear Codes (RLC) and investigate their performance as AL-FEC solutions in Digital Video Broadcasting. We provide comparisons between optimized Non-Overlapping Window RLC and Expanding Window (EW) RLC, which are two effective UEP RLC strategies. The results using realistic channel traces show viability of the EW RLC as a promising solution for multimedia broadcast applications.
Original languageEnglish
JournalMultimedia Tools and Applications
Early online date15 Mar 2014
DOIs
Publication statusPublished - 2015

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Broadcasting
Forward error correction
Digital video broadcasting (DVB)
Wireless networks
Network protocols
Costs

Keywords

  • video compression
  • rateless coding
  • digital video broadcasting
  • joint source-channel coding

Cite this

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title = "Unequal error protection for data partitioned H.264/AVC video broadcasting",
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Unequal error protection for data partitioned H.264/AVC video broadcasting. / Nazir, Sajid; Vukobratovic, Dejan; Stankovic, Vladimir; Andonovic, Ivan; Nybom, Kristian; Gronroos, Stefan.

In: Multimedia Tools and Applications, 2015.

Research output: Contribution to journalArticle

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T1 - Unequal error protection for data partitioned H.264/AVC video broadcasting

AU - Nazir, Sajid

AU - Vukobratovic, Dejan

AU - Stankovic, Vladimir

AU - Andonovic, Ivan

AU - Nybom, Kristian

AU - Gronroos, Stefan

PY - 2015

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