MX2021015847A - Derivacion de ponderacion de muestra croma para modo de particion geometrica. - Google Patents

Derivacion de ponderacion de muestra croma para modo de particion geometrica.

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Publication number
MX2021015847A
MX2021015847A MX2021015847A MX2021015847A MX2021015847A MX 2021015847 A MX2021015847 A MX 2021015847A MX 2021015847 A MX2021015847 A MX 2021015847A MX 2021015847 A MX2021015847 A MX 2021015847A MX 2021015847 A MX2021015847 A MX 2021015847A
Authority
MX
Mexico
Prior art keywords
prediction
value
current block
chroma sample
partition mode
Prior art date
Application number
MX2021015847A
Other languages
English (en)
Inventor
Semih Esenlik
Zhijie Zhao
Biao Wang
Anand Meher Kotra
Han Gao
Max Blaeser
Elena Alexandrovna Alshina
Original Assignee
Huawei Tech Co Ltd
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 Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of MX2021015847A publication Critical patent/MX2021015847A/es

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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
    • H04N19/132—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
    • H04N19/119—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
    • H04N19/169—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
    • H04N19/10—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
    • H04N19/102—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
    • H04N19/103—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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • 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
    • H04N19/50—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
    • H04N19/583—Motion compensation with overlapping blocks

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

Abstract

Se describe un método para codificación implementado por un dispositivo de decodificación, que comprende obtener un valor de un parámetro para un bloque actual, el valor del parámetro indica un modo de partición para el bloque actual; obtener un primer modo de predicción para el bloque actual; obtener un segundo modo de predicción para el bloque actual; generar un primer valor de predicción para una muestra croma en el bloque actual de acuerdo con el primer modo de predicción; generar un segundo valor de ponderación para una muestra croma en el bloque actual de acuerdo con el segundo modo de predicción; obtener un valor combinado de muestras de predicción al combinar el primer valor de predicción y el segundo valor de predicción.
MX2021015847A 2019-06-21 2020-06-19 Derivacion de ponderacion de muestra croma para modo de particion geometrica. MX2021015847A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP2019066516 2019-06-21
PCT/CN2020/097147 WO2020253830A1 (en) 2019-06-21 2020-06-19 Chroma sample weight derivation for geometric partition mode

Publications (1)

Publication Number Publication Date
MX2021015847A true MX2021015847A (es) 2022-02-03

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MX2021015847A MX2021015847A (es) 2019-06-21 2020-06-19 Derivacion de ponderacion de muestra croma para modo de particion geometrica.

Country Status (11)

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US (1) US20220021883A1 (es)
EP (1) EP3935844A4 (es)
JP (1) JP2022537426A (es)
KR (1) KR20220012345A (es)
CN (2) CN114026864B (es)
AU (1) AU2020294676A1 (es)
BR (1) BR112021025846A2 (es)
CA (1) CA3141088A1 (es)
MX (1) MX2021015847A (es)
WO (1) WO2020253830A1 (es)
ZA (1) ZA202109977B (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113875251B (zh) * 2019-06-21 2023-11-28 华为技术有限公司 用于几何分割模式的自适应滤波器强度指示
BR112022003641A2 (pt) 2019-09-01 2022-05-24 Beijing Bytedance Network Tech Co Ltd Método e aparelho para processar dados de vídeo, e, meios de armazenamento e de gravação legíveis por computador não transitórios
WO2021068921A1 (en) 2019-10-10 2021-04-15 Beijing Bytedance Network Technology Co., Ltd. Motion vector handling in geometry partition mode
WO2023219288A1 (ko) * 2022-05-12 2023-11-16 현대자동차주식회사 양방향 예측을 이용하는 크로마 성분의 인터 예측을 위한 방법
US20240129474A1 (en) * 2022-10-14 2024-04-18 Tencent America LLC Systems and methods for cross-component geometric/wedgelet partition derivation

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2047687B1 (en) * 2006-08-02 2018-05-16 Thomson Licensing DTV Adaptive geometric partitioning for video encoding
CN101822056B (zh) * 2007-10-12 2013-01-02 汤姆逊许可公司 用于视频编解码几何划分的双向预测模式划分的方法和装置
US8879632B2 (en) * 2010-02-18 2014-11-04 Qualcomm Incorporated Fixed point implementation for geometric motion partitioning
KR102295680B1 (ko) * 2010-12-08 2021-08-31 엘지전자 주식회사 인트라 예측 방법과 이를 이용한 부호화 장치 및 복호화 장치
KR102086145B1 (ko) * 2010-12-13 2020-03-09 한국전자통신연구원 인트라 예측 방법 및 그 장치
KR20130049523A (ko) * 2011-11-04 2013-05-14 오수미 인트라 예측 블록 생성 장치
US20130287093A1 (en) * 2012-04-25 2013-10-31 Nokia Corporation Method and apparatus for video coding
US9609343B1 (en) * 2013-12-20 2017-03-28 Google Inc. Video coding using compound prediction
KR20170084055A (ko) * 2014-11-06 2017-07-19 삼성전자주식회사 비디오 부호화 방법 및 장치, 비디오 복호화 방법 및 장치
KR20180059482A (ko) * 2015-10-22 2018-06-04 엘지전자 주식회사 비디오 코딩 시스템에서 인트라 예측 방법 및 장치
US20180376148A1 (en) * 2017-06-23 2018-12-27 Qualcomm Incorporated Combination of inter-prediction and intra-prediction in video coding
AU2018320382B2 (en) * 2017-08-22 2023-02-02 Panasonic Intellectual Property Corporation Of America Image encoder, image decoder, image encoding method, and image decoding method
WO2019083334A1 (ko) * 2017-10-26 2019-05-02 한국전자통신연구원 비대칭 서브 블록 기반 영상 부호화/복호화 방법 및 장치
US11212553B2 (en) * 2017-11-28 2021-12-28 Electronics And Telecommunications Research Institute Bidirectional intra prediction method and apparatus
KR20190140862A (ko) * 2018-06-12 2019-12-20 한국전자통신연구원 문맥 적응적 이진 산술 부호화 방법 및 장치

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Publication number Publication date
KR20220012345A (ko) 2022-02-03
BR112021025846A2 (pt) 2022-02-08
CN114026864A (zh) 2022-02-08
EP3935844A4 (en) 2022-05-04
WO2020253830A1 (en) 2020-12-24
CN117061735A (zh) 2023-11-14
AU2020294676A1 (en) 2021-12-23
JP2022537426A (ja) 2022-08-25
CN114026864B (zh) 2023-07-07
US20220021883A1 (en) 2022-01-20
ZA202109977B (en) 2022-09-28
EP3935844A1 (en) 2022-01-12
CA3141088A1 (en) 2020-12-24

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