A Framework for Adaptive Delivery of Omnidirectional Video
Christian Timmerer (Alpen-Adria-Universität Klagenfurt / Bitmovin) and Ali C. Begen (Ozyegin University / Networked Media)
Abstract: Omnidirectional or 360-degree videos are considered as a next step towards a truly immersive media experience. Such videos allow the user to change her/his viewing direction while consuming the video. The download-and-play paradigm (including DVD and Blu-ray) is replaced by streaming, and the content is hosted solely within the cloud. This paper addresses the need for a scientific framework enabling the adaptive delivery of omnidirectional video within heterogeneous environments. We consider the state-of-the-art techniques for adaptive streaming over HTTP and extend them towards omnidirectional/360-degree videos. In particular, we review the encoding and adaptive streaming options, and present preliminary results reported in the literature. Finally, we provide an overview about the ongoing standardization efforts and highlight the major open issues.
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