Title:
INTRA PREDICTION METHOD AND DEVICE USING SECONDARY MPM LIST
Document Type and Number:
WIPO Patent Application WO/2022/225346
Kind Code:
A1
Abstract:
According to one embodiment of the present disclosure, a method by which a decoding device decodes an image is provided. The method comprises the steps of: acquiring intra prediction mode information about the current block; configuring a most probable mode (MPM) list and a secondary MPM list for the current block on the basis of adjacent blocks of the current block; deriving an intra prediction mode for the current block on the basis of the MPM list and/or the secondary MPM list and the intra prediction mode information; and generating a prediction sample for the current block on the basis of the intra prediction mode.
Inventors:
ZHAO JIE (KR)
KIM SEUNGHWAN (KR)
PALURI SEETHAL (KR)
KIM SEUNGHWAN (KR)
PALURI SEETHAL (KR)
Application Number:
PCT/KR2022/005720
Publication Date:
October 27, 2022
Filing Date:
April 21, 2022
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
H04N19/11; H04N19/105; H04N19/132; H04N19/176; H04N19/44; H04N19/593; H04N19/70
Foreign References:
| KR20200145711A | 2020-12-30 | |||
| KR20190142750A | 2019-12-27 | |||
| KR20210031783A | 2021-03-22 | |||
| US20200169757A1 | 2020-05-28 |
Other References:
Y.-J. CHANG, C.-C. CHEN, J. CHEN, J. DONG, H. E. EGILMEZ, N. HU, H. HUANG, M. KARCZEWICZ (QUALCOMM), J. LI, B. RAY, K. REUZE, V. S: "Compression efficiency methods beyond VVC", 21. JVET MEETING; 20210106 - 20210115; TELECONFERENCE; (THE JOINT VIDEO EXPLORATION TEAM OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16 ), no. JVET-U0100, 31 December 2020 (2020-12-31), XP030293237
Attorney, Agent or Firm:
ENVISION PATENT & LAW FIRM (KR)
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