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Title:
CODING UNIT SIZE ADAPTIVE PALETTE MODE FOR VIDEO COMPRESSION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2020/103704
Kind Code:
A1
Abstract:
Systems and methods are provided for improving efficiency of decoding performance of a video compression system by selectively applying, based on the size of the coding unit, a prediction method, a palette mode, or palette-based residual refinement method which combines the palette mode and the traditional prediction methods comprising deriving a prediction block of a coding unit, decoding palette-based residual information of the coding unit, deriving a palette-based residual block based on the decoded palette-based residual information, and combining the prediction block and the palette-based residual block to construct a reconstructed block.

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Inventors:
SUN YUCHEN (CN)
LOU JIAN (CN)
Application Number:
PCT/CN2019/116577
Publication Date:
May 28, 2020
Filing Date:
November 08, 2019
Export Citation:
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Assignee:
ALIBABA GROUP HOLDING LTD (CN)
International Classes:
H04N19/176
Foreign References:
US20160234494A12016-08-11
US20160227247A12016-08-04
US20170195676A12017-07-06
CN107277509A2017-10-20
Attorney, Agent or Firm:
BEIJING SANYOU INTELLECTUAL PROPERTY AGENCY LTD. (CN)
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