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Conditional Coding and Variable Bitrate for Practical Learned Video Coding

Abstract : This paper introduces a practical learned video codec. Conditional coding and quantization gain vectors are used to provide flexibility to a single encoder/decoder pair, which is able to compress video sequences at a variable bitrate. The flexibility is leveraged at test time by choosing the rate and GOP structure to optimize a rate-distortion cost. Using the CLIC21 video test conditions, the proposed approach shows performance on par with HEVC.
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https://hal.archives-ouvertes.fr/hal-03198937
Contributor : Théo Ladune Connect in order to contact the contributor
Submitted on : Monday, April 19, 2021 - 12:01:40 PM
Last modification on : Saturday, June 5, 2021 - 3:36:28 AM

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  • HAL Id : hal-03198937, version 2
  • ARXIV : 2104.09103

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Théo Ladune, Pierrick Philippe, Wassim Hamidouche, Lu Zhang, Olivier Déforges. Conditional Coding and Variable Bitrate for Practical Learned Video Coding. CLIC workshop, CVPR 2021, Jun 2021, Nashville, United States. ⟨hal-03198937v2⟩

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