Selective Retransmission Scheme in Free Viewpoint Video Delivery Networks

OData support
Dr. Huszák Árpád
Department of Networked Systems and Services

The Free Viewpoint Video (FVV) technology is the new generation of 3D videos. The main advantage of this technology is that the user can change their view real-time, interactively. It requires the scene to be recorded with a multi-camera system. When the user is changing the view and thus passing over from the image of one camera to another, the transition between two cameras should be continuous, therefore generating virtual viewpoints by software is essential.

To generate virtual viewpoints from client side, it is required to transmit the videostream and the depth stream to the user through a wired or a wireless network, where the transmitted streams can be damaged.

In this paper I will review some of the existing technical literature about coding, generating and applying Free Viewpoint Video and besides I will examine the effects of the packet loss occurring during the transmission in a self-implemented simulation environment, and elaborate, analyze a method, which improve the image quality of the Free Viewpoint Video videostream with selective retransmission.


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