Abstract
Free-viewpoint television (FTV) is the ultimate three-dimensional TV (3DTV) with an infinite number of views, and it ranks at the top of visual media. FTV enables users to view a 3D scene by freely changing the viewpoint, as we do naturally in the real world. FTV is a natural interface between humans and the environment. It is also an immersive medium that enables a realistic virtual reality (VR) experience and revolutionizes 3D viewing. FTV was realized by developing novel ray capture, processing, and display technologies and is based on ray-space representation. The international standardization of FTV has been conducted by the Moving Picture Experts Group (MPEG). The first phase of FTV is multiview video coding (MVC), and the second phase is 3D video (3DV). The third phase of FTV is MPEG-FTV, which targets revolutionized viewing of 3D scenes via super multiview, free navigation, and 360-degree 3D. After the success of Exploration Experiments and Call for Evidence, MPEG-FTV moved MPEG Immersive project (MPEG-I), and has been in charge of its video part as MPEG-I Visual. MPEG-I will create standards for immersive services based on the stages of immersion. In this paper, FTV and its international standardization are reviewed.
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