A BLOCK LEVEL ADAPTIVE MV RESOLUTION FOR VIDEO CODING

Abstract : The latest video coding standard, HEVC, uses quarter pixel motion vector (MV) resolution for motion compensation. The adaptation of MV resolution supported by PMVR (progressive MV resolution) brings further improvement of the performance, by progressively adjusting the resolution according to the distance between the MV and the MV predictor (MVP). In this work, we propose to improve PMVR by tackling this problem at the prediction unit (PU) level relying on its size and its average absolute gradient. We additionally perform a smarter motion estimation around multiple MV predictors to fully take advantage of the proposed scheme. The experimental results show a significant improvement over the HEVC anchor.
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Communication dans un congrès
IEEE International Conference on Multimedia & Expo (ICME), Jul 2017, Hong Kong, China
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https://hal.archives-ouvertes.fr/hal-01503834
Contributeur : Mohamed-Chaker Larabi <>
Soumis le : vendredi 7 avril 2017 - 16:07:19
Dernière modification le : jeudi 13 avril 2017 - 16:02:24

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  • HAL Id : hal-01503834, version 1

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Bappaditya Ray, Joël Jung, Mohamed-Chaker Larabi. A BLOCK LEVEL ADAPTIVE MV RESOLUTION FOR VIDEO CODING. IEEE International Conference on Multimedia & Expo (ICME), Jul 2017, Hong Kong, China. 〈hal-01503834〉

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