Trend and challenges in 3D digital television video formats and transmission standards

摘要

3D video is new media extension of conventional 2D video into third dimension adding depth sensation and resolving 2D viewing ambiguity. Stereoscopic and free-viewpoint videos are visual representation and coding formats which takes 3D geometry information of acquisition system. Different 3D video acquisition, processing and representation technologies can be used, but all make use of multiple views of the same 3D scene. Advances in multi-camera arrays and display technology enable new applications for 3D television. 3DTV requires transmission of jointly encoded multiple synchronized video signals that show the same 3D scene from different viewpoints. It's clear that 3DTV, like all other forms of TV before it, needs to be based on well defined and documented technical standards. Technical trend and challenges in 3D video are summarized in this paper with special focus on 3DTV standardization activities in MPEG and DVB.