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Main Title: Video processing for panoramic streaming using HEVC and its scalable extensions
Author(s): Sánchez de la Fuente, Yago
Skupin, Robert
Schierl, Thomas
Type: Article
Language Code: en
Abstract: Panoramic streaming is a particular way of video streaming where an arbitrary Region-of-Interest (RoI) is transmitted from a high-spatial resolution video, i.e. a video covering a very “wide-angle” (much larger than the human field-of-view – e.g. 360°). Some transport schemes for panoramic video delivery have been proposed and demonstrated within the past decade, which allow users to navigate interactively within the high-resolution videos. With the recent advances of head mounted displays, consumers may soon have immersive and sufficiently convenient end devices at reach, which could lead to an increasing demand for panoramic video experiences. The solution proposed within this paper is built upon tile-based panoramic streaming, where users receive a set of tiles that match their RoI, and consists in a low-complexity compressed domain video processing technique for using H.265/HEVC and its scalable extensions (H.265/SHVC and H.265/MV-HEVC). The proposed technique generates a single video bitstream out of the selected tiles so that a single hardware decoder can be used. It overcomes the scalability issue of previous solutions not using tiles and the battery consumption issue inherent of tile-based panorama streaming, where multiple parallel software decoders are used. In addition, the described technique is capable of reducing peak streaming bitrate during changes of the RoI, which is crucial for allowing a truly immersive and low latency video experience. Besides, it makes it possible to use Open GOP structures without incurring any playback interruption at switching events, which provides a better compression efficiency compared to closed GOP structures.
Issue Date: 2016
Date Available: 29-Aug-2017
DDC Class: 070 Publizistische Medien, Journalismus, Verlagswesen
004 Datenverarbeitung; Informatik
Subject(s): panoramic streaming
Journal Title: Multimedia Tools and Applications
Publisher: Springer Science + Business Media B.V
Publisher Place: Dodrecht
Volume: 76
Issue: 4
Publisher DOI: 10.1007/s11042-016-4097-4
Page Start: 5631
Page End: 5659
EISSN: 1573-7721
ISSN: 1380-7501
Appears in Collections:FG Medientechnik » Publications

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