Title:
ENCODING METHOD AND APPARATUS THEREFOR, AND DECODING METHOD AND APPARATUS THEREFOR
Document Type and Number:
WIPO Patent Application WO/2019/135601
Kind Code:
A1
Abstract:
Provided is a method for decoding an image, comprising the steps of: determining a predictive quantization parameter of a current quantization group determined according to at least one of block partition information and block size information; determining a differential quantization parameter of a current quantization group; determining a quantization parameter of the current quantization group on the basis of the predictive quantization parameter and the differential quantization parameter of the current quantization group; and dequantizing a current block included in a current quantization group according to a quantization parameter of the current quantization group.
Inventors:
YANG HEECHUL (KR)
PARK MINSOO (KR)
PARK MINSOO (KR)
Application Number:
PCT/KR2019/000041
Publication Date:
July 11, 2019
Filing Date:
January 02, 2019
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
H04N19/124; H04N19/119; H04N19/129; H04N19/176; H04N19/70
Foreign References:
| JP2016192794A | 2016-11-10 | |||
| JP2016181931A | 2016-10-13 | |||
| KR101442127B1 | 2014-09-25 | |||
| KR20140074350A | 2014-06-17 | |||
| JP2017103723A | 2017-06-08 |
Other References:
See also references of EP 3737098A4
Attorney, Agent or Firm:
Y.P.LEE, MOCK & PARTNERS (KR)
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