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A Multi-Threaded Full-feature HEVC Encoder Based on Wavefront Parallel Processing

Radicke, Stefan, Hahn, Jens-Uwe, Grecos, Christos and Wang, Qi (2014) A Multi-Threaded Full-feature HEVC Encoder Based on Wavefront Parallel Processing. In: Proceedings of the 11th International Conference on Signal Processing and Multimedia Applications - Volume 1: SIGMAP, (ICETE 2014). SciTePress, pp. 90-98. ISBN 9789897580468

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The High Efficiency Video Coding (HEVC) standard was finalized in early 2013. It provides a far better coding efficiency than any preceding standard but it also bears a significantly higher complexity. In order to cope with the high processing demands, the standard includes several parallelization schemes, that make multi-core encoding and decoding possible. However, the effective realization of these methods is up to the respective codec developers. We propose a multi-threaded encoder implementation, based on HEVC’s reference test model HM11, that makes full use of the Wavefront Parallel Processing (WPP) mechanism and runs on regular consumer hardware. Furthermore, our software produces identical output bitstreams as HM11 and supports all of its features that are allowable in combination with WPP. Experimental results show that our prototype is up to 5.5 times faster than HM11 running on a machine with 6 physical processing cores.

Item Type: Book Section
Subjects: Q Science > QA Mathematics > Electronic computers. Computer science
T Technology > T Technology (General) > Information Technology > Electronic computers. Computer science
Q Science > QA Mathematics > Computer software
T Technology > T Technology (General) > Information Technology > Computer software
Divisions: School of Computing > Staff Research and Publications
Depositing User: Caoimhe Ní Mhaicín
Date Deposited: 04 Mar 2019 13:29
Last Modified: 04 Mar 2019 13:29

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