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Extracting and Transmitting Video Streams based on H.264 SVC in a Multi-Path Network  

Ryu, Eun-Seok (고려대학교 컴퓨터학과)
Lee, Jung-Hwan (고려대학교 컴퓨터학과)
Yoo, Hyuck (고려대학교 컴퓨터학과)
Publication Information
Journal of KIISE:Information Networking / v.35, no.6, 2008 , pp. 510-520 More about this Journal
Abstract
These days, the network convergence for utilizing heterogeneous network on mobile device is being very actively studied. However, understanding characteristics of physical network interfaces and video encoder is needed for using the network convergence technologies efficiently. Thus, this paper proposes an optimized method for streaming video data through different network paths depending on data characteristics and channel condition. Accordingly, unlike the traditional methods, this study divides scalable coded videos by layer importance, the importance of stream information, and the importance in consideration of video decoder's robustness and selectively sends the data via multiple channels. And the experimental results show over 1dB increment in PSNR. The result of this study will provide an optimized video transmission technique in the next generation network convergence environment in which mobile devices have multiple network interfaces.
Keywords
H.264 SVC; Bitstream Selection; Multi-channel Streaming;
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