Quality adaptive p2 p streaming using svc ricky 9876059 - multimedia data compression
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Quality adaptive p2 p streaming using svc ricky 9876059 - multimedia data compression
- 1. Quality Adaptive Peer-to-Peer Streaming Using Scalable Video Coding Presenter: Ricky( 陳 瑞 奇 ) - 9876059 O. Abboud, K. Pussep, A. Kovacevic, R. Steinmet, “Quality Adaptive Peer-to-Peer Streaming Using Scalable Video Coding,” 12th IFIP/IEEE International Conference on Management of Multimedia and Mobile Networks and Services: Wired-Wireless Multimedia Networks and Services Management , pp. 41-54, 2009.
- 8. Scalable Video Coding (2/4)
Notas del editor
- Step by step Process: When a peer wants to start viewing a video, it first invokes the IQA module, which chooses the quality level best suited to the static resources of the peer. After peer discovery, which locates all peers streaming same or lower quality, peers are selected and put in the active senders set. The peer selection module interacts with the underlay awareness module in such a way to optimize the overlay based on various metrics. After successful connection establishment with provider peers, streaming starts filling the video buffer. During streaming a control loop has to assure proper adaptation to changing conditions. The PQA module is responsible for reacting to and overcoming any changes in network condition and available throughput. When necessary, block selection is updated in order to support an increased or decreased quality level.