Title:
映像符号化方法及び装置、並びに映像復号化方法及び装置
Document Type and Number:
Japanese Patent JP6660970
Kind Code:
B2
Abstract:
Disclosed are a method and an apparatus for coding/decoding an image. The method for decoding the image comprises the steps of: deriving a scale factor of a current block, depending on whether the current block is a conversion skip block; and scaling the current block on the basis of the scale factor, wherein the scale factor of the current block is derived on the basis of the position of a conversion coefficient inside the current block, and wherein the conversion skip block is the current block to which conversion is not applied and is specified on the basis of information indicating whether to apply reconversion to the current block.
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Inventors:
Kim, Hui, Yeon
Rim, Song, Chang
Lee, Jin, Ho
Choi, Jin, Su
Kim, Jin, Eun
Park, Kwan, Hung
Kim, Kyung, Yeon
Rim, Song, Chang
Lee, Jin, Ho
Choi, Jin, Su
Kim, Jin, Eun
Park, Kwan, Hung
Kim, Kyung, Yeon
Application Number:
JP2018038922A
Publication Date:
March 11, 2020
Filing Date:
March 05, 2018
Export Citation:
Assignee:
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
International Classes:
H04N19/126; H04N19/136; H04N19/157; H04N19/70
Foreign References:
| WO2014002897A1 |
Other References:
Cuiling Lan,Intra transform skipping[online], JCTVC-I JCTVC-I0408,インターネット,2012年 4月28日
Attorney, Agent or Firm:
Hiroyuki Nagai
Yukitaka Nakamura
Satoru Asakura
Takeshi Sekine
Hiroshi Yoshimoto
Yukitaka Nakamura
Satoru Asakura
Takeshi Sekine
Hiroshi Yoshimoto