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Patent Searching and Data


Title:
METHOD AND DEVICE FOR FILTERING IMAGE IN IMAGE CODING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/066211
Kind Code:
A1
Abstract:
A filtering method by a decoding device according to the present invention comprises the steps of: receiving information relating to ALF control depth; deciding an ALF control unit on the basis of information relating to the division depth and the ALF control depth of a current block in a restoration picture with respect to a current picture; determining whether or not ALF is applied to the current block in an ALF control unit level; and, if the ALF is determined to be applied to the current block, performing the ALF for the current block. In the filtering method, the current picture is recursively divided on the basis of a QTBT structure, and the current block is one of blocks divided on the basis of the QTBT structure.

Inventors:
NAM JUNGHAK (KR)
LIM JAEHYUN (KR)
Application Number:
PCT/KR2018/007464
Publication Date:
April 04, 2019
Filing Date:
July 02, 2018
Export Citation:
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Assignee:
LG ELECTRONICS INC (KR)
International Classes:
H04N19/117; H04N19/119; H04N19/176; H04N19/70
Foreign References:
KR101337990B12013-12-09
KR101372965B12014-03-12
US20130142251A12013-06-06
KR20160031061A2016-03-22
Other References:
JIANLE CHEN: "Algorithm Description of Joint Exploration Test Model 7 (JEM 7), JVET-G1001-v1", JOINT VIDEO EXPLORATION TEAM (JVET) OF ITU-T SG 16 WP3 AND ISO/IEC JTC 1/SC 29/WG 11, 19 August 2017 (2017-08-19), Torino, IT, pages 1 - 44, XP030150980
Attorney, Agent or Firm:
ENVISION PATENT & LAW FIRM (KR)
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