Analyzing Free Viewpoint Camera Switching Methods

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Dr. Huszák Árpád
Department of Networked Systems and Services

In our society one of the most popular activities are the consumption of various multimedia content. People can watch their television or their computer at home and enjoy the pre-taped or live shows. If they want, they have the opportunity to go to the cinema, where they can experience quality entertainment, provided by the wide screen.

Today most of the media contents support 3D display. All we need are special glasses and the three dimensional world opens up for us. Researches are already in process in order to skip using equipment for perceiving 3D view. Based on 3D technology a group of scientists have established a system, which is not limited to the camera’s point of view. The user can select almost any view from which he can observe the granted scenery. This technology is called Free Viewpoint Video.

The topic of my thesis is analysing Free Viewpoint camera switching methods. My goal is to create a system, which by following the movement of the user can decide which pictures of cameras should be retrieved for given positions. I apply different algorithms to help me assess the positions and camera pairs of potential statuses. Finally by identifying the presence of starvation, I can check the accuracy and relevance of my estimations.

The thesis summarizes the academic background of technologies employed by a FVV system. It begins with going into detail of each technological step. Then I review what kind of network solutions have been presented in time, which advance the transmission and processing of FVV content. Furthermore I demonstrate the structure and implementation of the simulation designed by me. Finally with the help of the test environment I compare and evaluate the received results.


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