MX2021016157A - Metodo y dispositivo de codificacion/decodificacion de imagen usando tama?o adaptivo limitante del bloque de croma y metodo de transformacion del flujo de bits. - Google Patents

Metodo y dispositivo de codificacion/decodificacion de imagen usando tama?o adaptivo limitante del bloque de croma y metodo de transformacion del flujo de bits.

Info

Publication number
MX2021016157A
MX2021016157A MX2021016157A MX2021016157A MX2021016157A MX 2021016157 A MX2021016157 A MX 2021016157A MX 2021016157 A MX2021016157 A MX 2021016157A MX 2021016157 A MX2021016157 A MX 2021016157A MX 2021016157 A MX2021016157 A MX 2021016157A
Authority
MX
Mexico
Prior art keywords
decoding method
image encoding
chroma block
size limiting
transmission method
Prior art date
Application number
MX2021016157A
Other languages
English (en)
Inventor
Jin Heo
Sunmi Yoo
Jangwon Choi
Seung Hwan Kim
Jungah Choi
Original Assignee
Lg Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lg Electronics Inc filed Critical Lg Electronics Inc
Publication of MX2021016157A publication Critical patent/MX2021016157A/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96—Tree coding, e.g. quad-tree coding

Abstract

La presente invención se refiere a un método y aparato de codificación/decodificación de imagen. Un método de decodificación de imagen realizado por un aparato de decodificación de imagen incluye determinar una estructura de división de un bloque actual compuesta de componentes de croma, determinar un tipo de división del bloque actual basado en la estructura de división, obtener una pluralidad de bloques de capa inferior dividiendo el bloque actual basado en el tipo de división, y decodificar los bloques de capa inferior basado en un modo de predicción de los bloques de capa inferior.
MX2021016157A 2019-06-19 2020-06-19 Metodo y dispositivo de codificacion/decodificacion de imagen usando tama?o adaptivo limitante del bloque de croma y metodo de transformacion del flujo de bits. MX2021016157A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962863835P 2019-06-19 2019-06-19
PCT/KR2020/007998 WO2020256485A1 (ko) 2019-06-19 2020-06-19 크로마 블록의 적응적 크기 제한을 이용한 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법

Publications (1)

Publication Number Publication Date
MX2021016157A true MX2021016157A (es) 2022-03-11

Family

ID=74040569

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2021016157A MX2021016157A (es) 2019-06-19 2020-06-19 Metodo y dispositivo de codificacion/decodificacion de imagen usando tama?o adaptivo limitante del bloque de croma y metodo de transformacion del flujo de bits.

Country Status (7)

Country Link
US (2) US11528480B2 (es)
EP (1) EP3989556A4 (es)
JP (1) JP2022530286A (es)
KR (2) KR102488925B1 (es)
CN (1) CN114128268A (es)
MX (1) MX2021016157A (es)
WO (1) WO2020256485A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024058430A1 (ko) * 2022-09-15 2024-03-21 현대자동차주식회사 하나의 블록에 싱글 트리와 듀얼 트리를 적응적으로 이용하는 비디오 코딩을 위한 방법 및 장치

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9462275B2 (en) 2012-01-30 2016-10-04 Qualcomm Incorporated Residual quad tree (RQT) coding for video coding
US20150043639A1 (en) * 2012-03-20 2015-02-12 Samsung Electronics Co., Ltd. Method and device for coding scalable video on basis of coding unit of tree structure, and method and device for decoding scalable video on basis of coding unit of tree structure
CN102761742B (zh) * 2012-07-03 2017-06-06 华为技术有限公司 变换块划分方法，变换块划分参数的编码方法及解码方法
WO2016090568A1 (en) * 2014-12-10 2016-06-16 Mediatek Singapore Pte. Ltd. Binary tree block partitioning structure
KR102390384B1 (ko) 2017-03-13 2022-04-22 에스케이텔레콤 주식회사 영상 부호화 또는 복호화하기 위한 장치 및 방법
CN117499684A (zh) * 2017-09-20 2024-02-02 韩国电子通信研究院 用于对图像进行编码/解码的方法和装置

Also Published As

Publication number Publication date
KR20230013160A (ko) 2023-01-26
KR20220002687A (ko) 2022-01-06
EP3989556A4 (en) 2023-05-10
KR102488925B1 (ko) 2023-01-13
US20220272338A1 (en) 2022-08-25
US20230089398A1 (en) 2023-03-23
JP2022530286A (ja) 2022-06-28
WO2020256485A1 (ko) 2020-12-24
CN114128268A (zh) 2022-03-01
US11528480B2 (en) 2022-12-13
EP3989556A1 (en) 2022-04-27

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