Patent

Registered IMAGE DECODING METHOD AND IMAGE ENCODING METHOD

Inventors
Sung-Chang Lim, Kim Hui Yong, Jinho Lee, Choi Jin Soo, Jin Woong Kim
Application No.
201911389539.X (2013.04.16)
Publication No.
111147851 (2020.05.12)
Registration No.
ZL201911389539.X (2022.09.13)
Country
CHINA
Project Code
11PR1700, Development of Multiview 3D Compatible UHDTV Broadcasting Technology, Jin Woong Kim
Abstract
The invention discloses an image decoding method and an image encoding method. The image decoding method includes decoding the information about a quantization matrix; reconstructing a quantization matrix based on the information about the quantization matrix; generating a residual block for the current block based on the quantization matrix; and reconstructing the current block based on the residual block and the prediction block for the current block. The information on the quantization matrix includes the information indicating a prediction method of the quantization matrix. The informationon the quantization matrix further includes at least one of the information indicating a prediction method of the quantization matrix, the information on a reference quantization matrix identifier ofthe quantization matrix, the information indicating a DC value of the quantization matrix, and the information indicating a difference between the quantization matrix coefficients. The step of reconstructing the quantization matrix based on the information about the quantization matrix includes deriving the quantization matrix coefficient; arranging the quantization matrix coefficients in the quantization matrix by performing the right upper diagonal scanning on the quantization matrix coefficients.
KSP Keywords
Encoding method, Image decoding, Image encoding, Prediction methods, Quantization matrix, decoding method
Family
 
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Status Patent Country KIPRIS
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE
Registered METHOD FOR ENCODING/DECODING IMAGE
Registered METHOD AND APPARATUS FOR IMAGE ENCODING/DECODING
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE
Registered METHOD AND APPARATUS FOR IMAGE ENCODING/DECODING
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE
Registered METHOD FOR ENCODING/DECODING IMAGE
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE
Registered A VIDEO DECODING AND ENCODING METHOD
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Registered 영상 부호화/복호화 방법 및 장치 KOREA KIPRIS
Registered 영상 부호화/복호화 방법 및 장치 KOREA KIPRIS
Registered 영상 복호화 방법 및 컴퓨터로 읽을 수 있는 기록 매체 KOREA KIPRIS
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Registered 영상 부호화 방법 및 컴퓨터로 읽을 수 있는 기록 매체 KOREA KIPRIS
Registered 영상 부호화 방법 및 컴퓨터로 읽을 수 있는 기록 매체 KOREA KIPRIS
Registered 영상 부호화 방법 및 컴퓨터로 읽을 수 있는 기록 매체 KOREA KIPRIS
Registered 영상 부호화 방법 및 컴퓨터로 읽을 수 있는 기록 매체 KOREA KIPRIS
Registered 영상 부호화 방법 및 컴퓨터로 읽을 수 있는 기록 매체 KOREA KIPRIS
Registered 영상 부호화 방법 및 컴퓨터로 읽을 수 있는 기록 매체 KOREA KIPRIS
Registered 영상 부호화 방법 및 컴퓨터로 읽을 수 있는 기록 매체 KOREA KIPRIS
Registered 영상 부호화 방법 및 컴퓨터로 읽을 수 있는 기록 매체 KOREA KIPRIS
Registered 영상 부호화/복호화 방법 및 장치 KOREA KIPRIS
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE GERMANY
Registered METHOD AND APPARATUS FOR IMAGE ENCODING/DECODING GERMANY
Registered METHOD AND APPARATUS FOR IMAGE ENCODING/DECODING GERMANY
Registered METHOD FOR ENCODING/DECODING IMAGE GERMANY
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE GERMANY
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE GERMANY
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE UNITED STATES
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE UNITED STATES
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE UNITED STATES
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE UNITED STATES
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE UNITED STATES
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE UNITED STATES
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE UNITED STATES
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE UNITED STATES
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE UNITED STATES
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE SWEDEN
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE SWISS
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE SPAIN
Registered METHOD FOR ENCODING/DECODING IMAGE SPAIN
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE SPAIN
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE UNITED KINGDOM
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE UNITED KINGDOM
Registered METHOD AND APPARATUS FOR IMAGE ENCODING/DECODING UNITED KINGDOM
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE UNITED KINGDOM
Registered METHOD FOR ENCODING/DECODING IMAGE UNITED KINGDOM
Registered METHOD AND APPARATUS FOR IMAGE ENCODING/DECODING UNITED KINGDOM
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE AUSTRIA
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE ITALY
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE ITALY
Registered METHOD FOR ENCODING/DECODING IMAGE ITALY
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE INDIA
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE JAPAN
Registered IMAGE DECODING METHOD AND IMAGE ENCODING METHOD CHINA
Registered IMAGE DECODING METHOD AND IMAGE ENCODING METHOD CHINA
Registered IMAEG DECODING METHOD AND IMAGE ENCODING METHOD CHINA
Registered IMAGE DECODING METHOD AND IMAGE ENCODING METHOD CHINA
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE PORTUGAL
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE POLAND
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE POLAND
Registered METHOD AND APPARATUS FOR IMAGE ENCODING/DECODING POLAND
Registered METHOD AND APPARATUS FOR IMAGE ENCODING/DECODING POLAND
Registered METHOD AND APPARATUS FOR IMAGE ENCODING/DECODING FRANCE
Registered METHOD AND APPARATUS FOR IMAGE ENCODING/DECODING FRANCE
Registered METHOD FOR ENCODING/DECODING IMAGE FRANCE
Registered METHOD AND DEVICE FOR ENCODING/DECODING IMAGE FRANCE