Compressed Domain Video Processing for Tile Based Panoramic Streaming using SHVC

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PubDate: October 2015

Teams: Fraunhofer HHI

Writers: Yago Sanchez de la Fuente;Robert Skupin;Thomas Schierl

PDF: Compressed Domain Video Processing for Tile Based Panoramic Streaming using SHVC

Abstract

Panoramic streaming is a particular way of video streaming where an arbitrary Region-of-Interest (RoI) of high-spatial resolution videos is transmitted, allowing users to navigate around the video and leading to an immersive experience. Tile based streaming has been proposed in the past and is drawing a lot of attention to provide a solution that scales well. In tile base streaming the video is divided into multiple tiles and a subset of tiles of interest is transmitted to the viewer. We propose a low-complexity compressed domain video processing technique, which uses H.265/SHVC and generates a single video bitstream from the selected tiles so that single hardware decoders can be used to decode the RoI video stream. Additionally, the proposed technique makes it possible to use Open GOP structures in the output layer without incurring in any interruption at switching events, which provides a better compression efficiency compared to closed GOP structures.

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