1 April 2007 Efficient allocation of packet-level forward error correction in video streaming over the Internet
Author Affiliations +
J. of Electronic Imaging, 16(2), 023012 (2007). doi:10.1117/1.2732386
Forward error correction (FEC) improves the quality of compressed video transmitted through a lossy network for real-time applications such as video streaming. The FEC techniques are generally applied on source video packets at the frame level. In this paper, we propose a technique where the FEC is applied on source packets at the group-of-pictures (GoP) level assuming an MPEG-like compression scheme. We derive analytically an estimate of the average playable frame rate for a given packet loss probability. Our analysis over a range of network conditions indicates that in most practical network conditions, the proposed technique provides a larger playable frame rate compared to the frame-level FEC technique. This analysis results are also validated by video streaming simulations conducted on the NS-2 network simulator.
Yufei Yuan, Bruce Cockburn, Thomas Sikora, Mrinal K. Mandal, "Efficient allocation of packet-level forward error correction in video streaming over the Internet," Journal of Electronic Imaging 16(2), 023012 (1 April 2007). https://doi.org/10.1117/1.2732386


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