Paul Bocheck, Andrew T. Campbell, Shih-Fu Chang, Raymond R.-F. Liao. Content-Aware Network Adaptation for MPEG-4. In ACM International Workshop on Network and Operating Systems Support for Digital Audio and Video, New Jersey, USA, June 1999.
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In this paper, we present the design of a content-aware network adaptation system for MPEG-4 video delivery. The scheme comprises a number novel features enabling the support for application-specific adaptation needs inside networks. By exploiting video content and user preference an online utility generator formulates the bandwidth utility functions and scaling profiles to capture application-specific adaptation capability and preference, respectively. The utility generator employs video content classification to speedup processing and adaptive prediction to keep the generated utility functions meaningful over network adaptation time-scales. The signaling system leverages MPEG-4 system structure to efficiently deliver utility functions and scaling profiles to network adaptation agents. Network adaptation is in the form of utility-fair bandwidth renegotiation using profile-based media scaling. We present the design, implementation and evaluation of our MPEG-4 adaptation system. The experimental results presented in the paper demonstrate that the proposed content-aware network adaptation system represents a promising new approach to delivering scalable MPEG-4 media over time-varying networks such as wireless networks
@InProceedings{dvmmPub38,
Author = {Bocheck, Paul and T. Campbell, Andrew and Chang, Shih-Fu and R.-F. Liao, Raymond},
Title = {Content-Aware Network Adaptation for MPEG-4},
BookTitle = {ACM International Workshop on Network and Operating Systems Support for Digital Audio and Video},
Address = {New Jersey, USA},
Month = {June},
Year = {1999}
}
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