ITU Journal: ICT Discoveries

The ITU Journal: ICT Discoveries publishes original research on ICT technical developments and their policy and regulatory, economic, social and legal dimensions. It builds bridges between disciplines, connects theory with application, and stimulates international dialogue. This interdisciplinary approach reflects ITU’s comprehensive field of interest and explores the convergence of ICT with other disciplines. It also features review articles, best practice implementation tutorials and case studies. The ITU Journal welcomes submissions at any time, on any topic within its scope.


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Multi-viewpoint and Overlays in the MPEG OMAF Standard

Abstract – Recent developments in immersive media have made possible the rise of new multimedia applications and services that complement the traditional ones, such as media streaming and conferencing. Omnidirectional video (a.k.a. 360-degree video) is enabling one of such new services that are progressively made available also by large media distribution portals (e.g., YouTube). With the aim of creating a standardized solution for 360-degree video streaming, the Moving Picture Experts Group (MPEG) has developed the Omnidirectional MediA Format (OMAF) second edition, or version 2, which is close to completion. The major new features of OMAFv2, compared to the first version, include (but are not limited to) the capability of using overlays and multiple omnidirectional cameras situated at different physical points (i.e., viewpoints). This paper focuses on the description of two of the new OMAFv2 features, the overlays and the multi-viewpoints, including the 360-degree video use cases enabled by these two features.


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