Title:
DEVICE AND METHOD FOR ENCODING OR DECODING IMAGE
Document Type and Number:
WIPO Patent Application WO/2018/169267
Kind Code:
A1
Abstract:
The present invention relates to efficiently signaling division information related to quadtree plus binary tree (QTBT)-based block partitioning. An image encoding device according to one aspect of the present invention determines the greatest QT leaf node depth for indicating the highest depth among depths in which at least one leaf node of a quadtree is present in a determined block portioning structure, and signals depth information for indicating the greatest QT leaf node depth as quadtree division information on all nodes from a root node to a parent node of nodes belonging to the greatest QT leaf node depth in the determined block partitioning structure.
Inventors:
LIM JEONG-YEON (KR)
KIM HYEONG-DUCK (KR)
SON SE-HOON (KR)
SHIN JAE-SEOB (KR)
LEE SUN-YOUNG (KR)
KIM HYEONG-DUCK (KR)
SON SE-HOON (KR)
SHIN JAE-SEOB (KR)
LEE SUN-YOUNG (KR)
Application Number:
PCT/KR2018/002891
Publication Date:
September 20, 2018
Filing Date:
March 12, 2018
Export Citation:
Assignee:
SK TELECOM CO LTD (KR)
International Classes:
H04N19/186; H04N19/119; H04N19/30; H04N19/423; H04N19/70
Domestic Patent References:
| WO2016091161A1 | 2016-06-16 |
Foreign References:
| KR20130030240A | 2013-03-26 | |||
| KR20160077166A | 2016-07-01 | |||
| KR20170023893A | 2017-03-06 | |||
| KR20170019344A | 2017-02-21 |
Attorney, Agent or Firm:
LEE, Chulhee (KR)
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