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FTV for 3-D Spatial Communication
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DOI：10.1109/JPROC.2011.2182101.png)
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Abstract
En 中文
Free-viewpoint TV (FTV) is cutting the frontier of audiovisual communications. FTV is an innovative media that enables us to view 3-D space by freely changing our viewpoints. It also allows us to listen at any listening point in the 3-D space. Since FTV transmits all audiovisual information of the 3-D space, it can reconstruct an audiovisual replica of the 3-D space anywhere and anytime over distance and time. For video, FTV captures a part of rays in 3-D space by using many cameras, and the other rays that are not captured are obtained by interpolating the captured rays. We constructed real-time FTV systems including the complete chain of operation from image capture to display. We also carried out FTV on a laptop computer and a mobile player. For audio, two kinds of free listening-point systems are demonstrated. MPEG regarded FTV as the most challenging 3-D media and has been conducting its international standardization activities. The first phase of FTV was multiview video coding (MVC) and the second phase of FTV is 3-D video (3DV). MVC enables the efficient coding of multiple camera views and was completed in 2009. MVC has been adopted by Blu-ray 3-D. 3DV is a standard that targets serving a variety of 3-D displays and its call for proposals was issued in March 2011.
Keywords:
Depth estimation
free navigation
free listening point
free viewpoint
free-viewpoint television (FTV)
MPEG
multiview
MVC
ray space
view synthesis
100-camera system
3DTV
3DV
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