Abstract
ITU-T Video Coding Expert Group and ISO/IEC Moving Picture Expert Group are studying the potential need for standardization of the future video coding technology with a compression capability that significantly exceeds that of the current High Efficiency Video Coding (HEVC) standard, including its current extensions. Both groups are working together on this exploration activity in a collaboration effort known as Joint Video Exploration Team to evaluate compression technology designs proposed by their experts in this area. Preliminary results show that the new model achieves 25% bitrate reduction, but at a cost of extremely high computational complexity (11\(\times {}\)) with respect to HEVC. This paper proposes a pre-analysis algorithm designed to extract motion information of a frame, which is later used in the Motion Estimation (ME) module to speed up the encoder, showing that around 27% of the reference frames can be skipped and that more than 62% of the time is saved in the integer ME operation with a negligible impact of 0.11% in BD-rate.






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Acknowledgements
This work was jointly supported by the Spanish Ministry of Economy and Competitiveness (MINECO) and the European Commission (FEDER funds) under the Project TIN2015-66972-C5-2-R, and by the Spanish Ministry of Education, Culture and Sports under the Grants FPU13/04601 and FPU16/05692.
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García-Lucas, D., Cebrián-Márquez, G., Díaz-Honrubia, A.J. et al. Acceleration of the integer motion estimation in JEM through pre-analysis techniques. J Supercomput 75, 1203–1214 (2019). https://doi.org/10.1007/s11227-018-2352-3
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DOI: https://doi.org/10.1007/s11227-018-2352-3