CL2021000686A1 - Método para codificar/decodificar una señal de imagen y aparato para el mismo - Google Patents

Método para codificar/decodificar una señal de imagen y aparato para el mismo

Info

Publication number
CL2021000686A1
CL2021000686A1 CL2021000686A CL2021000686A CL2021000686A1 CL 2021000686 A1 CL2021000686 A1 CL 2021000686A1 CL 2021000686 A CL2021000686 A CL 2021000686A CL 2021000686 A CL2021000686 A CL 2021000686A CL 2021000686 A1 CL2021000686 A1 CL 2021000686A1
Authority
CL
Chile
Prior art keywords
decoding
encoding
same
image signal
list
Prior art date
Application number
CL2021000686A
Other languages
English (en)
Inventor
Bae Keun Lee
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp 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 Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Publication of CL2021000686A1 publication Critical patent/CL2021000686A1/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
    • H04N19/103—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
    • H04N19/134—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
    • H04N19/102—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
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/12—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
    • H04N19/102—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
    • H04N19/124—Quantisation
    • 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
    • H04N19/169—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
    • 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
    • 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

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

Método decodificador de imagen que comprende generar una lista de candidatos a fusión para un primer bloque; seleccionar uno de entre los candidatos a fusión incluidos en la lista de candidatos; y realizar una compensación de movimiento en el primer bloque en función de la información de movimiento sobre el candidato a fusión seleccionado, en donde los candidatos a fusión entre regiones incluidos en una tabla de información de movimiento entre regiones se pueden añadir a la lista de candidatos.
CL2021000686A 2018-09-21 2021-03-19 Método para codificar/decodificar una señal de imagen y aparato para el mismo CL2021000686A1 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20180114348 2018-09-21
KR20180114349 2018-09-21
KR20180148858 2018-11-27

Publications (1)

Publication Number Publication Date
CL2021000686A1 true CL2021000686A1 (es) 2021-08-20

Family

ID=69887729

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2021000686A CL2021000686A1 (es) 2018-09-21 2021-03-19 Método para codificar/decodificar una señal de imagen y aparato para el mismo

Country Status (15)

Country Link
US (5) US11218720B2 (es)
EP (2) EP3843389A4 (es)
JP (2) JP7459069B2 (es)
KR (1) KR20200034646A (es)
CN (4) CN116320418A (es)
AU (1) AU2019344274B2 (es)
BR (1) BR112021005175A2 (es)
CA (1) CA3113585A1 (es)
CL (1) CL2021000686A1 (es)
IL (2) IL281625B2 (es)
MX (1) MX2021003327A (es)
PH (1) PH12021550629A1 (es)
SG (1) SG11202102857QA (es)
WO (1) WO2020060329A1 (es)
ZA (1) ZA202102141B (es)

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CN116320418A (zh) 2018-09-21 2023-06-23 Oppo广东移动通信有限公司 视频信号编码/解码方法及其设备
CN116456081A (zh) 2018-12-25 2023-07-18 Oppo广东移动通信有限公司 解码预测方法、装置及计算机存储介质
EP3884667B1 (en) * 2018-12-25 2024-04-17 Beijing Dajia Internet Information Technology Co., Ltd. Video coding with triangular shape prediction units
CN111213381B (zh) * 2018-12-29 2021-11-12 深圳市大疆创新科技有限公司 视频处理方法和设备
CN115280770B (zh) * 2020-03-26 2023-11-21 阿里巴巴（中国）有限公司 用于对视频进行编码或解码的方法和装置
US20230093129A1 (en) * 2021-09-17 2023-03-23 Tencent America LLC Method and apparatus for intra block copy mode coding with search range switching

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CN107483929B (zh) * 2011-09-09 2020-05-12 株式会社Kt 用于解码视频信号的方法
WO2013047811A1 (ja) 2011-09-29 2013-04-04 シャープ株式会社 画像復号装置、画像復号方法および画像符号化装置
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MX2021003327A (es) 2021-05-14
CN112956193A (zh) 2021-06-11
KR20200034646A (ko) 2020-03-31
US20220078468A1 (en) 2022-03-10
IL281625B2 (en) 2024-03-01
EP3843389A1 (en) 2021-06-30
JP7459069B2 (ja) 2024-04-01
US20220078467A1 (en) 2022-03-10
CN113395517A (zh) 2021-09-14
BR112021005175A2 (pt) 2021-06-08
JP2024069588A (ja) 2024-05-21
WO2020060329A1 (ko) 2020-03-26
CN113395517B (zh) 2022-08-05
US20220078469A1 (en) 2022-03-10
EP4383713A2 (en) 2024-06-12
IL281625B1 (en) 2023-11-01
EP3843389A4 (en) 2022-03-16
PH12021550629A1 (en) 2022-02-14
US11838532B2 (en) 2023-12-05
IL307586A (en) 2023-12-01
US11838533B2 (en) 2023-12-05
CN116320418A (zh) 2023-06-23
JP2022501897A (ja) 2022-01-06
AU2019344274A1 (en) 2021-04-29
US11750833B2 (en) 2023-09-05
US11218720B2 (en) 2022-01-04
US20210211708A1 (en) 2021-07-08
CN116055720A (zh) 2023-05-02
CA3113585A1 (en) 2020-03-26
IL281625A (en) 2021-05-31
US20230336768A1 (en) 2023-10-19
AU2019344274B2 (en) 2023-02-23
ZA202102141B (en) 2022-07-27
SG11202102857QA (en) 2021-04-29

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