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Peer-to-peer system design for adaptive 3D video streaming

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2 Author(s)
C. Goktug Gürler ; Koc University ; Murat Tekalp

3D video is destined to be available in homes and mobile devices. Stereoscopic TV broadcasts have already begun in frame-compatible format for stereoscopic 3D. The natural next step is to deliver 3D content in the form of multiview video (MVV) that enables a natural glasses-free 3D experience. Unfortunately, the number of views needed to drive multiview displays varies depending on the price vs. quality trade-off. Therefore, the bitrate requirement of MVV content changes according to users' display technology, making transmission over fixed bit rate channels inefficient. IP provides a flexible transport mechanism for 3D content; however, wellknown problems such as fluctuations in available link capacity and varying transmission delays pose challenges to 3D video services over the Internet. In this study, we discuss quality-of-experience- aware rate adaptation methods specific to 3D video and efficient encoding schemes. Then, we introduce a framework to design P2P overlays to deliver 3D video. P2P overlays offer a promising approach to alleviate the high bandwidth requirement of MVV. Furthermore, two use case scenarios are provided to show the discussed methods can help to make 3D video delivery practical over the Internet.

Published in:

IEEE Communications Magazine  (Volume:51 ,  Issue: 5 )