Vukobratovic, D; Stankovic, V; Sejdinovic, D; Stankovic, L; Xiong, ZX; (2008) EXPANDING WINDOW FOUNTAIN CODES FOR SCALABLE VIDEO MULTICAST. In: 2008 IEEE INTERNATIONAL CONFERENCE ON MULTIMEDIA AND EXPO, VOLS 1-4. (pp. 77 - 80). IEEE
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Digital Fountain (DF) codes have recently been suggested as an efficient forward error correction (FEC) solution for video multicast to heterogeneous receiver classes over lossy packet networks. However, to adapt DF codes to low-delay constraints and varying importance of scalable multimedia content, unequal error protection (UEP) DF schemes are needed. Thus, in this paper, Expanding Window Fountain (EWF) codes are proposed as a FEC solution for scalable video multicast. We demonstrate that the design flexibility and UEP performance make EWF codes ideally suited for this scenario, i.e., EWT codes offer a number of design parameters to be "tuned" at the server side to meet the different reception conditions of heterogeneous receivers. Performance analysis of H.264 Scalable Video Coding (SVC) multicast to heterogeneous receiver classes confirms the flexibility and efficiency of the proposed EWF-based FEC solution.
|Title:||EXPANDING WINDOW FOUNTAIN CODES FOR SCALABLE VIDEO MULTICAST|
|Event:||IEEE International Conference on Multimedia and Expo (ICME 2008)|
|Dates:||2008-06-23 - 2008-06-26|
|Keywords:||Digital Fountain Codes, H.264 SVC, Scalable Video Multicast, Unequal Error Protection|
|UCL classification:||UCL > School of Life and Medical Sciences > Faculty of Life Sciences > Gatsby Computational Neuroscience Unit|
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