Title:
VIDEO ENCODING AND DECODING METHOD AND APPARATUS
Document Type and Number:
Japanese Patent JP2023123736
Kind Code:
A
Abstract:
To provide a video encoding/decoding method and apparatus for reducing operational complexity.SOLUTION: A video decoding method comprises steps of: restoring a residual block by performing inverse quantization and inverse transformation on an entropy-decoded residual block; generating a prediction block by performing intra-frame prediction for a current block; and restoring a video by adding the restored residual block to the prediction block. The step of generating the prediction block further comprises a step of generating a final prediction value of a pixel to be predicted, on the basis of a first prediction value of the pixel to be predicted, which is included in the current block, and a final correction value that is calculated by performing an arithmetic right shift by a binary digit 1 for a two's complement integer representation with respect to an initial correction value of the pixel to be predicted.SELECTED DRAWING: Figure 8
Inventors:
KIM HUI YONG
LEE JIN-HO
LIM SUNG CHANG
CHOI JIN SOO
KIM JIN WOONG
LEE JIN-HO
LIM SUNG CHANG
CHOI JIN SOO
KIM JIN WOONG
Application Number:
JP2023106424A
Publication Date:
September 05, 2023
Filing Date:
June 28, 2023
Export Citation:
Assignee:
ELECTRONICS & TELECOMMUNICATIONS RES INST
International Classes:
H04N19/105; H04N19/50; H04N19/136; H04N19/159; H04N19/176; H04N19/593
Attorney, Agent or Firm:
Manabu Miyajima
Takeshi Sekine
Hiroshi Yoshimoto
Takeshi Sekine
Hiroshi Yoshimoto
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