Compound Split Tree for Video Coding

During the exploration of video coding technology for potential next generation standards, the Joint Video Exploration Team (JVET) has been studying quad-tree plus binary-tree (QTBT) partition structures within its Joint Exploration Model (JEM). This QTBT partition structure provides more flexibilit...

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Main Authors: Zhu, Weijia, Segall, Andrew
Format: Conference Proceeding
Language:English
Subjects:
Complexity theory
Compounds
Copper
Encoding
High efficiency video coding
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Segall, Andrew
description During the exploration of video coding technology for potential next generation standards, the Joint Video Exploration Team (JVET) has been studying quad-tree plus binary-tree (QTBT) partition structures within its Joint Exploration Model (JEM). This QTBT partition structure provides more flexibility compared with the quad-tree only partition structure in HEVC. Here, we further consider the QTBT structure and extended it to allow quad-tree partitioning to be performed both before and after a binary-tree partition. We refer to this structure as a compound split tree (CST). To show the efficacy of the approach, we implemented the method into JEM7. The method achieved 1.25%, 2.11% and 1.87% BD-bitrate savings for Y, U and V components on average under the random-access configuration, respectively.
doi_str_mv 10.1109/PCS.2018.8456309
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ispartof 2018 Picture Coding Symposium (PCS), 2018, p.71-75
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subjects Complexity theory
Compounds
Copper
Encoding
High efficiency video coding
title Compound Split Tree for Video Coding
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