Title:
METHOD AND DEVICE FOR CODING AND DECODING VIDEO USING INTER-PREDICTION
Document Type and Number:
WIPO Patent Application WO/2020/251325
Kind Code:
A1
Abstract:
The present invention relates to image decoding of a sequence of coded pictures block-by-block, the image decoding including: a step for decoding a first high level syntax element from a bitstream to determine, on a sequence level, whether affine motion prediction is permitted; and a step for extracting a second high level syntax element for each of at least one coding tool from the bitstream by relying on the first high level syntax element, and thereby determining, on a picture level, whether each of the at least one coding tool is permitted. The at least one coding tool includes sample-by-sample adjustment of affine motion prediction samples. An image decoding device adaptively performs the affine motion prediction on a target block and the sample-by-sample adjustment of the affine motion prediction samples according to the determinations on the sequence level and the picture level.
Inventors:
KANG JE WON (KR)
PARK SANG HYO (KR)
PARK SEUNG WOOK (KR)
LIM WHA PYEONG (KR)
PARK SANG HYO (KR)
PARK SEUNG WOOK (KR)
LIM WHA PYEONG (KR)
Application Number:
PCT/KR2020/007721
Publication Date:
December 17, 2020
Filing Date:
June 15, 2020
Export Citation:
Assignee:
HYUNDAI MOTOR CO LTD (KR)
KIA MOTORS CORP (KR)
UNIV EWHA IND COLLABORATION (KR)
KIA MOTORS CORP (KR)
UNIV EWHA IND COLLABORATION (KR)
International Classes:
H04N19/53; H04N19/122; H04N19/132; H04N19/176; H04N19/186; H04N19/513; H04N19/573; H04N19/70
Foreign References:
| KR20190006967A | 2019-01-21 | |||
| US20180270500A1 | 2018-09-20 | |||
| KR20180055761A | 2018-05-25 | |||
| US20170214932A1 | 2017-07-27 | |||
| US20190110075A1 | 2019-04-11 |
Attorney, Agent or Firm:
LEE, Chulhee (KR)
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