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Title:
METHOD AND DEVICE FOR INTER PREDICTING ON BASIS OF DMVR
Document Type and Number:
WIPO Patent Application WO/2020/017840
Kind Code:
A1
Abstract:
The picture decoding method by a decoding device, according to one embodiment of the present invention, comprises the steps of: deriving a motion vector for a neighboring merge candidate block from among neighboring merge candidate blocks of a current block, if a merge mode is applied to the current block; deriving a reference block in a reference picture indicated by the motion vector for the neighboring merge candidate block; deriving a refinement block having the minimal SAD with the current block, from among refinement candidate blocks within the search range of the reference block, if DMVR is applied to the current block; deriving prediction samples for the current block on the basis of a refinement motion vector for the derived refinement block; and generating restoration samples for the current block on the basis of the prediction samples.

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Inventors:
PARK NAERI (KR)
NAM JUNGHAK (KR)
Application Number:
PCT/KR2019/008691
Publication Date:
January 23, 2020
Filing Date:
July 15, 2019
Export Citation:
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Assignee:
LG ELECTRONICS INC (KR)
International Classes:
H04N19/57; H04N19/105; H04N19/109; H04N19/132; H04N19/176; H04N19/70
Foreign References:
KR20180061060A2018-06-07
KR20180059443A2018-06-04
KR20090079894A2009-07-22
KR100708091B12007-04-16
KR20050122496A2005-12-29
Attorney, Agent or Firm:
ENVISION PATENT & LAW FIRM (KR)
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