Title:
TRANSFORM INFORMATION ENCODING/DECODING METHOD AND DEVICE, AND BITSTREAM STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2021/071342
Kind Code:
A1
Abstract:
Disclosed are a transform information encoding/decoding method and device, and a storage medium. Transform comprises primary transform and secondary transform. A primary transform type and a secondary transform type are selected from among multiple different types. A target block is transformed according to the selected primary transform type and secondary transform type. The primary transform type and the secondary transform type to be applied to the target block are signaled by using transform information such as a primary transform method index and a secondary transform method index.
Inventors:
KANG JUNG-WON (KR)
LIM SUNG-CHANG (KR)
LEE JIN-HO (KR)
LEE HA-HYUN (KR)
LIM SUNG-CHANG (KR)
LEE JIN-HO (KR)
LEE HA-HYUN (KR)
Application Number:
PCT/KR2020/013879
Publication Date:
April 15, 2021
Filing Date:
October 12, 2020
Export Citation:
Assignee:
ELECTRONICS & TELECOMMUNICATIONS RES INST (KR)
International Classes:
H04N19/60; H04N19/119; H04N19/176; H04N19/184; H04N19/70
Foreign References:
| KR20180085526A | 2018-07-27 | |||
| KR20180121514A | 2018-11-07 | |||
| KR20190062585A | 2019-06-05 | |||
| KR20190113591A | 2019-10-08 |
Other References:
DE-LUXAN-HERNANDEZ SANTIAGO; GEORGE VALERI; MA JACKIE; NGUYEN TUNG; SCHWARZ HEIKO; MARPE DETLEV; WIEGAND THOMAS: "An Intra Subpartition Coding Mode for VVC", 2019 IEEE INTERNATIONAL CONFERENCE ON IMAGE PROCESSING (ICIP), IEEE, 22 September 2019 (2019-09-22), pages 1203 - 1207, XP033642147, DOI: 10.1109/ICIP.2019.8803777
Attorney, Agent or Firm:
HANYANG PATENT FIRM (KR)
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