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Real-time Overlay Video Multicast System  

Kang, Ho-Jong (전자부품연구원 디지털미디어센터)
Song, Hwang-Jun (포항공과대학교 컴퓨터공학과 멀티미디어 통신시스템 연구실)
Min, Kyung-Won (전자부품연구원 디지털미디어센터)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.31, no.2C, 2006 , pp. 139-147 More about this Journal
Abstract
This paper presents an overlay video multicast system over the Internet. The proposed system consists of two parts, i.e. overlay multicast tree suitable for the real-time video delivery and H.263+ rate control adaptive to overlay multicast tree. Overlay multicast tree is constructed to minimize the average time delay of members, and H.263+ rate control pursues a tradeoff between spatial and temporal qualities to enhance the human visual perceptual quality. Two systems are integrated and tested over the real Internet. And experimental results are provided to show the performance of the proposed system.
Keywords
Overlay multicast; Delay; H.263+; Rate control; Video streaming;
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