BR112021024381A2 - Método para construir lista de mpm, método para obter modo de intrapredição do bloco de croma, e aparelho - Google Patents

Método para construir lista de mpm, método para obter modo de intrapredição do bloco de croma, e aparelho

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Publication number
BR112021024381A2
BR112021024381A2 BR112021024381A BR112021024381A BR112021024381A2 BR 112021024381 A2 BR112021024381 A2 BR 112021024381A2 BR 112021024381 A BR112021024381 A BR 112021024381A BR 112021024381 A BR112021024381 A BR 112021024381A BR 112021024381 A2 BR112021024381 A2 BR 112021024381A2
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BR
Brazil
Prior art keywords
mpm list
intraprediction mode
mode
block
build
Prior art date
Application number
BR112021024381A
Other languages
English (en)
Inventor
Haitao Yang
Lian Zhang
Xiang Ma
Yin Zhao
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Huawei Tech Co Ltd
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Publication date
Application filed by Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of BR112021024381A2 publication Critical patent/BR112021024381A2/pt

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    • 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
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • 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
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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
    • H04N19/134—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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/17—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
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • 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
    • 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

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  • 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

método para construir lista de mpm, método para obter modo de intrapredição do bloco de croma, e aparelhométodo para construir lista de mpm, método para obter modo de intrapredição do bloco de croma, e aparelho. este pedido revela um método para construir uma lista de mpm, um método para obter um modo de intrapredição de um bloco de croma, e um aparelho. em uma implementação específica, um modo de mip é usado para um bloco atual, e o método para construir uma lista de mpm inclui: obter informações de modo de intrapredição de um bloco vizinho; determinar, com base nas informações de modo de intrapredição do bloco vizinho, se um modo de intrapredição do bloco vizinho é o modo de mip; e saltar usando o modo de intrapredição do bloco vizinho para construção de lista de mpm do bloco atual se o modo de intrapredição do bloco vizinho não for o modo de mip; ou usar o modo de intrapredição do bloco vizinho para construção de lista de mpm do bloco atual se o modo de intrapredição do bloco vizinho for o modo de mip. implementação deste pedido pode reduzir complexidade de construção de lista de mpm.
BR112021024381A 2019-06-05 2020-06-04 Método para construir lista de mpm, método para obter modo de intrapredição do bloco de croma, e aparelho BR112021024381A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910486183.5A CN112055200A (zh) 2019-06-05 2019-06-05 Mpm列表构建方法、色度块的帧内预测模式获取方法及装置
PCT/CN2020/094387 WO2020244579A1 (zh) 2019-06-05 2020-06-04 Mpm列表构建方法、色度块的帧内预测模式获取方法及装置

Publications (1)

Publication Number Publication Date
BR112021024381A2 true BR112021024381A2 (pt) 2022-02-15

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BR112021024381A BR112021024381A2 (pt) 2019-06-05 2020-06-04 Método para construir lista de mpm, método para obter modo de intrapredição do bloco de croma, e aparelho

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Country Link
US (1) US20220094947A1 (pt)
EP (1) EP3972255A4 (pt)
JP (2) JP7346601B2 (pt)
KR (1) KR20220013415A (pt)
CN (2) CN117241014A (pt)
BR (1) BR112021024381A2 (pt)
WO (1) WO2020244579A1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020251330A1 (ko) 2019-06-13 2020-12-17 엘지전자 주식회사 단순화된 mpm 리스트 생성 방법을 활용하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법
CN112640461A (zh) * 2019-06-25 2021-04-09 Oppo广东移动通信有限公司 映射方法、编码器、解码器以及计算机存储介质
CN114586354A (zh) * 2019-08-22 2022-06-03 Lg 电子株式会社 基于矩阵的帧内预测设备和方法
US20230143945A1 (en) * 2020-05-11 2023-05-11 Lg Electronics Inc. Image coding method and device therefor
CN117356090A (zh) * 2021-04-13 2024-01-05 抖音视界有限公司 用于视频处理的方法、设备和介质
WO2024149358A1 (en) * 2023-01-13 2024-07-18 Mediatek Inc. Video coding method that constructs most probable mode list for signalling of prediction mode selected by intra chroma prediction and associated apparatus

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102857764B (zh) * 2011-07-01 2016-03-09 华为技术有限公司 帧内预测模式处理的方法和装置
KR20130049525A (ko) * 2011-11-04 2013-05-14 오수미 잔차 블록 복원을 위한 역변환 방법
KR102186404B1 (ko) * 2012-02-29 2020-12-03 한국전자통신연구원 화면 내 예측 모드의 부호화 방법 및 복호화 방법
US10277896B2 (en) * 2016-01-22 2019-04-30 Apple Inc. Intra-frame prediction systems and methods
WO2017204427A1 (ko) * 2016-05-23 2017-11-30 가온미디어 주식회사 영상 처리 방법, 그를 이용한 영상 복호화 및 부호화 방법
CN109792516B (zh) * 2016-10-04 2021-05-25 联发科技股份有限公司 图像和视频编解码中用于帧内色度编解码的方法及装置
KR20200074081A (ko) * 2017-11-14 2020-06-24 삼성전자주식회사 부호화 방법 및 그 장치, 복호화 방법 및 그 장치
EP3939269A4 (en) * 2019-04-10 2022-06-15 Beijing Dajia Internet Information Technology Co., Ltd. METHOD AND APPARATUS FOR VIDEO CODING USING AN IMPROVED MATRIX-BASED INTRA PREDICTION CODING MODE
WO2020207502A1 (en) * 2019-04-12 2020-10-15 Beijing Bytedance Network Technology Co., Ltd. Most probable mode list construction for matrix-based intra prediction
EP3942811A4 (en) * 2019-04-24 2022-06-15 ByteDance Inc. CONSTRAINTS ON THE REPRESENTATION OF A DIFFERENTIAL MODULATION BY CODED PULSES OF QUANTIFIED RESIDUE FOR A CODED VIDEO
EP3903485A4 (en) * 2019-04-27 2022-03-02 Huawei Technologies Co., Ltd. ENCODER, DECODER AND CORRESPONDING INTRA PREDICTION METHODS
US11284093B2 (en) * 2019-05-09 2022-03-22 Qualcomm Incorporated Affine linear weighted intra prediction in video coding
EP3958571A4 (en) * 2019-06-03 2022-07-27 LG Electronics Inc. MATRIX-BASED INTRA PREDICTION DEVICE AND METHOD

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Publication number Publication date
US20220094947A1 (en) 2022-03-24
CN117241014A (zh) 2023-12-15
EP3972255A4 (en) 2022-11-02
KR20220013415A (ko) 2022-02-04
CN112055200A (zh) 2020-12-08
JP2023164515A (ja) 2023-11-10
JP2022535859A (ja) 2022-08-10
WO2020244579A1 (zh) 2020-12-10
JP7346601B2 (ja) 2023-09-19
EP3972255A1 (en) 2022-03-23

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