An extensible framework was proposed to implement the hierarchical and adaptive control and feedback mechanism of layered MPEG-4 video multicast transmission in DirectShow architecture. In our framework, layers of MPE...An extensible framework was proposed to implement the hierarchical and adaptive control and feedback mechanism of layered MPEG-4 video multicast transmission in DirectShow architecture. In our framework, layers of MPEG-4 video and FEC data are wrapped dynamically in RTP packets to pass through the heterogeneous network effectively. An adaptive control center is designed to control the actions of the related components dynamically according to varying resources availability on local host and network. This effective and adaptive framework can be used to instruct the implementation of applications based on layered MPEG-4 video multicast transmission and other designs of multimedia application frameworks.展开更多
The authors propose a novel method for transporting multi-view videos that aims to keep the bandwidth requirements on both end-users and servers as low as possible. The method is based on application layer multicast, ...The authors propose a novel method for transporting multi-view videos that aims to keep the bandwidth requirements on both end-users and servers as low as possible. The method is based on application layer multicast, where each end point re- ceives only a selected number of views required for rendering video from its current viewpoint at any given time. The set of selected videos changes in real time as the user’s viewpoint changes because of head or eye movements. Techniques for reducing the black-outs during fast viewpoint changes were investigated. The performance of the approach was studied through network experiments.展开更多
基金the National Natural Science Foundation(J1400B006)
文摘An extensible framework was proposed to implement the hierarchical and adaptive control and feedback mechanism of layered MPEG-4 video multicast transmission in DirectShow architecture. In our framework, layers of MPEG-4 video and FEC data are wrapped dynamically in RTP packets to pass through the heterogeneous network effectively. An adaptive control center is designed to control the actions of the related components dynamically according to varying resources availability on local host and network. This effective and adaptive framework can be used to instruct the implementation of applications based on layered MPEG-4 video multicast transmission and other designs of multimedia application frameworks.
基金Project (No. 511568) supported by the European Commissionwithin Framework Program 6 with the acronym 3DTV
文摘The authors propose a novel method for transporting multi-view videos that aims to keep the bandwidth requirements on both end-users and servers as low as possible. The method is based on application layer multicast, where each end point re- ceives only a selected number of views required for rendering video from its current viewpoint at any given time. The set of selected videos changes in real time as the user’s viewpoint changes because of head or eye movements. Techniques for reducing the black-outs during fast viewpoint changes were investigated. The performance of the approach was studied through network experiments.
