MX2022000156A - Método y aparato para codificación/decodificación de video usando limitación de tamaño máximo de bloque de transformación de croma, y método para transmitir flujo de bits. - Google Patents

Método y aparato para codificación/decodificación de video usando limitación de tamaño máximo de bloque de transformación de croma, y método para transmitir flujo de bits.

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Publication number
MX2022000156A
MX2022000156A MX2022000156A MX2022000156A MX2022000156A MX 2022000156 A MX2022000156 A MX 2022000156A MX 2022000156 A MX2022000156 A MX 2022000156A MX 2022000156 A MX2022000156 A MX 2022000156A MX 2022000156 A MX2022000156 A MX 2022000156A
Authority
MX
Mexico
Prior art keywords
block
encoding
current block
transform block
maximum size
Prior art date
Application number
MX2022000156A
Other languages
English (en)
Inventor
Ling Li
Jung Hak Nam
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 MX2022000156A publication Critical patent/MX2022000156A/es

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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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/102—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
    • H04N19/119—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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
    • H04N19/10—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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

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 puede incluir determinar un modo de predicción de un bloque actual, generar un bloque de predicción del bloque actual basado en información del modo de inter predicción, basado en el modo de predicción del bloque actual siendo un modo de inter predicción, generar un bloque residual del bloque actual basado en un bloque de transformación del bloque actual, y reconstruir el bloque actual basado en el bloque de predicción y el bloque residual del bloque actual.
MX2022000156A 2019-06-24 2020-06-24 Método y aparato para codificación/decodificación de video usando limitación de tamaño máximo de bloque de transformación de croma, y método para transmitir flujo de bits. MX2022000156A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962865951P 2019-06-24 2019-06-24
PCT/KR2020/008233 WO2020262962A1 (ko) 2019-06-24 2020-06-24 크로마 변환 블록의 최대 크기 제한을 이용한 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법

Publications (1)

Publication Number Publication Date
MX2022000156A true MX2022000156A (es) 2022-02-21

Family

ID=74061998

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2022000156A MX2022000156A (es) 2019-06-24 2020-06-24 Método y aparato para codificación/decodificación de video usando limitación de tamaño máximo de bloque de transformación de croma, y método para transmitir flujo de bits.

Country Status (9)

Country Link
US (2) US11711519B2 (es)
EP (1) EP3989557A4 (es)
JP (2) JP7318024B2 (es)
KR (1) KR20220004765A (es)
CN (1) CN114270822A (es)
BR (1) BR112021026535A2 (es)
CA (1) CA3145389A1 (es)
MX (1) MX2022000156A (es)
WO (1) WO2020262962A1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112021020933A2 (pt) * 2019-05-24 2021-12-21 Huawei Tech Co Ltd Codificador, decodificador e métodos correspondentes usando lista de fusão de ibc
WO2021167340A1 (ko) * 2020-02-17 2021-08-26 현대자동차주식회사 크로마 신호의 리샘플링에 기반하는 영상 부호화 및 복호화

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8422803B2 (en) * 2007-06-28 2013-04-16 Mitsubishi Electric Corporation Image encoding device, image decoding device, image encoding method and image decoding method
CN107071458B (zh) * 2010-12-14 2020-01-03 M&K控股株式会社 用于编码运动画面的设备
KR20130050404A (ko) * 2011-11-07 2013-05-16 오수미 인터 모드에서의 복원 블록 생성 방법
KR102072124B1 (ko) * 2011-11-24 2020-02-04 에스케이텔레콤 주식회사 세밀한 예측 단위를 사용하는 효과적인 부호화/복호화 방법 및 장치
EP4216547A1 (en) * 2012-06-29 2023-07-26 Electronics And Telecommunications Research Institute Method for encoding/decoding images
JP6341426B2 (ja) * 2012-09-10 2018-06-13 サン パテント トラスト 画像復号化方法および画像復号化装置
US10397607B2 (en) * 2013-11-01 2019-08-27 Qualcomm Incorporated Color residual prediction for video coding
WO2016200234A1 (ko) * 2015-06-11 2016-12-15 엘지전자(주) 영상의 부호화/복호화 방법 및 이를 위한 장치
MX2018013461A (es) * 2016-05-13 2019-03-28 Sony Corp Aparato y metodo de procesamiento de imagenes.
KR101725287B1 (ko) * 2016-10-27 2017-04-10 삼성전자주식회사 영상 복호화 방법 및 장치
AU2018332398B2 (en) * 2017-09-12 2022-11-24 Samsung Electronics Co., Ltd. Method for encoding and decoding motion information and device for encoding and decoding motion information
US10666943B2 (en) * 2017-09-15 2020-05-26 Futurewei Technologies, Inc. Block partition structure in video compression
US10951895B2 (en) * 2018-12-31 2021-03-16 Alibaba Group Holding Limited Context model selection based on coding unit characteristics
KR101997599B1 (ko) * 2019-01-22 2019-07-08 에스케이 텔레콤주식회사 비균등 양자화를 이용한 효과적인 부호화/복호화 방법 및 장치
KR101997604B1 (ko) * 2019-01-22 2019-07-08 에스케이 텔레콤주식회사 영상 부호화/복호화 방법 및 장치

Also Published As

Publication number Publication date
JP7318024B2 (ja) 2023-07-31
KR20220004765A (ko) 2022-01-11
EP3989557A4 (en) 2023-05-24
CN114270822A (zh) 2022-04-01
JP2022539750A (ja) 2022-09-13
US20230353743A1 (en) 2023-11-02
WO2020262962A1 (ko) 2020-12-30
BR112021026535A2 (pt) 2022-02-15
EP3989557A1 (en) 2022-04-27
US20220201309A1 (en) 2022-06-23
JP7492067B2 (ja) 2024-05-28
JP2023130427A (ja) 2023-09-20
CA3145389A1 (en) 2020-12-30
US11711519B2 (en) 2023-07-25

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