Title:
METHOD AND APPARATUS FOR INTER PREDICTION ON BASIS OF INTERPOLATION FILTER OF CURRENT BLOCK IN IMAGE CODING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/135419
Kind Code:
A1
Abstract:
An image decoding method performed by a decoding apparatus according to the present invention comprises the steps of: obtaining inter prediction information of a current block through a bit stream; deriving motion information of the current block on the basis of the inter prediction information; deriving an interpolation filter of the current block from a plurality of interpolation filters; and performing inter prediction of the current block on the basis of the interpolation filter and the motion information, wherein the plurality of interpolation filters comprise a 4-tap filter, an 8-tap filter, and a 12-tap filter.
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Inventors:
SEO JUNGDONG (KR)
Application Number:
PCT/KR2018/000091
Publication Date:
July 11, 2019
Filing Date:
January 03, 2018
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
H04N19/117; H04N19/176; H04N19/51
Domestic Patent References:
| WO2012005537A2 | 2012-01-12 |
Foreign References:
| KR20170078681A | 2017-07-07 | |||
| US20110026599A1 | 2011-02-03 | |||
| US20120230407A1 | 2012-09-13 |
Other References:
JCT-VC: "Test Model under Consideration", JOINT COLLABORATIVE TEAM ON VIDEO CODING (JCT-VC) OF ITU-T SG 16 WP3, 23 April 2010 (2010-04-23), Dresden. DE, XP055276596
Attorney, Agent or Firm:
ENVISION PATENT & LAW FIRM (KR)
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