Title:
METHOD AND APPARATUS OF FILTERING IMAGE IN IMAGE CODING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2017/057877
Kind Code:
A1
Abstract:
A filtering method performed by a decoding device according to the present invention comprises the steps of: deriving a specific neighboring block of a current block so as to derive filter information on the current block; deriving the specific neighboring block and a reference block within a reference picture corresponding to the specific neighboring block; deriving the filter information on the current block on the basis of the specific neighboring block and the reference block; and filtering the current block on the basis of the filter information. According to the present invention, the overall coding efficiency can be improved by deriving the filter information on the basis of the neighboring block of the already decoded current block and reducing or removing the amount of data for the transmission of the information necessary for filter generation.
Inventors:
KIM CHULKEUN (KR)
NAM JUNGHAK (KR)
LIM JAEHYUN (KR)
PARK NAERI (KR)
SEO JUNGDONG (KR)
NAM JUNGHAK (KR)
LIM JAEHYUN (KR)
PARK NAERI (KR)
SEO JUNGDONG (KR)
Application Number:
PCT/KR2016/010668
Publication Date:
April 06, 2017
Filing Date:
September 23, 2016
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
H04N19/117; H04N19/42; H04N19/80
Foreign References:
| KR20080088046A | 2008-10-02 | |||
| KR20120090740A | 2012-08-17 | |||
| KR20050018730A | 2005-02-28 | |||
| KR20110053245A | 2011-05-19 | |||
| KR20140098672A | 2014-08-08 |
Other References:
See also references of EP 3358848A4
Attorney, Agent or Firm:
ENVISION PATENT & LAW FIRM (KR)
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