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Distributed memory parallel approaches for HEVC encoder

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Abstract

The HEVC video coding standard launched on 2013, is able to reduce to the half, on average, the bit stream size produced by H.264/AVC encoder at the same video quality, but it requires nearly 70 % more time than H.264/AVC to encode a video sequence. In this paper we propose several parallelization approaches to the HEVC encoder. Our proposals, for distributed memory platforms, work at a coarse grain level parallelization, being one group of pictures (GOP) the basic structure. These approaches encode simultaneously several GOPs. To obtain good parallel performance, a right GOP conformation and distribution should be applied.

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Authors and Affiliations

  1. Physics and Computer Architecture Department, Miguel Hernández University, 03202, Elche, Spain

    H. Migallón, V. Galiano, P. Piñol, O. López-Granado & M. P. Malumbres

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  1. H. Migallón
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  2. V. Galiano
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  3. P. Piñol
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  4. O. López-Granado
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  5. M. P. Malumbres
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Corresponding author

Correspondence to H. Migallón.

Additional information

This research was supported by the Spanish Ministry of Education and Science under Grant TIN2011-27543-C03-03, the Spanish Ministry of Science and Innovation under Grant TIN2015-66972-C5-4-R.

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Migallón, H., Galiano, V., Piñol, P. et al. Distributed memory parallel approaches for HEVC encoder. J Supercomput 73, 164–175 (2017). https://doi.org/10.1007/s11227-016-1666-2

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  • DOI: https://doi.org/10.1007/s11227-016-1666-2

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