Resolution-Improvement Scheme for Wireless Video Transmission

  • Liang Zhou
  • Athanasios Vasilakos
  • Yan Zhang
  • Gabiel-Miro Muntean
Chapter
Part of the Studies in Computational Intelligence book series (SCI, volume 280)

Abstract

In recent years, wireless video transmission has emerged as one of the high growth applications of wireless communication technology. However, this error-prone network is packet based where many potential reasons may result in packet loss which has a devastating effect on the visual quality of images at the receiver. In this work, we study a coordinated application of Error-Resilient (ER) and Super-Resolution (SR) to enhance the resolution of image transmitted over wireless networks. Compressed video bitstreams require protection from channel errors in a wireless channel. The 3-D set partitioning in hierarchical trees (SPIHT) coder has proved its efficiency and its real-time capability in compression of video. A forward-error-correcting (FEC) channel (RCPC) code combined with a single automatic-repeat request (ARQ) proved to be an effective means for protecting the bitstream. Furthermore, a robust SR algorithm is proposed in the presence of different kinds of packet loss rate to enhance the image resolution. Experimental results indicate that the proposed robust resolution-enhancement scheme outperforms the competing methods from the aspects of PSNR (Peak-Signal-to-Noise Ratio) and visual quality under different packet loss rates.

Keywords

Packet Loss Packet Loss Rate Error Concealment Super Resolution Unequal Error Protection 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  • Liang Zhou
    • 1
  • Athanasios Vasilakos
    • 2
  • Yan Zhang
    • 3
  • Gabiel-Miro Muntean
    • 4
  1. 1.UEI, ENSTA-ParisTechParisFrance
  2. 2.Department of Computer and Telecommunications EngineeringUniversity of Western MacedoniaGreece
  3. 3.Simula Research LaboratoryNorway
  4. 4.School of Electronic EngineeringDublin City UniversityIreland

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