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Conference Paper
Comparative Analysis of Parallelization Methods for HEVC Decoder
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- Authors
- Hochan Ryu, Yong-Jo Ahn, Sung-Chang Lim, Jongho Kim, Dong-Gyu Sim
- Issue Date
- 2015-01
- Citation
- International Workshop on Advanced Image Technology (IWAIT) 2015, pp.1-3
- Language
- English
- Type
- Conference Paper
- Abstract
- In this paper, several parallelization methods for High Efficiency Video Coding (HEVC) decoders are compared and their performances are presented. After completion of standardization of HEVC version 1 at January 2013, a number of researches for parallelization and real-time codecs have been studying to commercialize 4K-UHD and 8K-UHD high-resolution video decoders. This paper introduces parallelization techniques which can be used in HEVC decoders for the real-time decoding of high-resolution videos. Experimental results of each method show that the average speed-up factors are 4.86, 2.64, 2.61 and 4.68 for tile technique, wavefront parallel processing (WPP), frame-level parallelism, and 2D-Wavefront parallelism, respectively.
- KSP Keywords
- Average speed, Comparative analysis, Frame-level, HEVC Decoder, High Efficiency Video coding(HEVC), High resolution, Real-time decoding, Speed-up, Wavefront Parallel Processing(WPP), version 1