AU2019204437B2 - Method, apparatus and system for encoding and decoding a block of video samples - Google Patents

Method, apparatus and system for encoding and decoding a block of video samples Download PDF

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Publication number
AU2019204437B2
AU2019204437B2 AU2019204437A AU2019204437A AU2019204437B2 AU 2019204437 B2 AU2019204437 B2 AU 2019204437B2 AU 2019204437 A AU2019204437 A AU 2019204437A AU 2019204437 A AU2019204437 A AU 2019204437A AU 2019204437 B2 AU2019204437 B2 AU 2019204437B2
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block
intra prediction
matrix
matrix intra
samples
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AU2019204437A1 (en
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Iftekhar Ahmed
Christopher James ROSEWARNE
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Canon Inc
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Canon Inc
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Priority to AU2019204437A priority Critical patent/AU2019204437B2/en
Application filed by Canon Inc filed Critical Canon Inc
Priority to CN202080042249.2A priority patent/CN113940065B/zh
Priority to US17/620,390 priority patent/US12309389B2/en
Priority to CN202510115261.6A priority patent/CN119788851A/zh
Priority to KR1020217036071A priority patent/KR102873333B1/ko
Priority to EP20832284.2A priority patent/EP3987782A4/en
Priority to CN202510115710.7A priority patent/CN119788852A/zh
Priority to CN202510115712.6A priority patent/CN119788853A/zh
Priority to CN202510115168.5A priority patent/CN119788850A/zh
Priority to PCT/AU2020/050373 priority patent/WO2020257842A1/en
Priority to JP2021544700A priority patent/JP7307803B2/ja
Priority to CN202510115165.1A priority patent/CN119788849A/zh
Priority to TW109113598A priority patent/TWI786392B/zh
Publication of AU2019204437A1 publication Critical patent/AU2019204437A1/en
Priority to AU2021273633A priority patent/AU2021273633B2/en
Application granted granted Critical
Publication of AU2019204437B2 publication Critical patent/AU2019204437B2/en
Priority to JP2023105336A priority patent/JP7569413B2/ja
Priority to JP2024173476A priority patent/JP7755707B2/ja
Priority to US19/180,796 priority patent/US20250267288A1/en
Active legal-status Critical Current
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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
    • H04N19/134—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
    • H04N19/105—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
    • H04N19/11—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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/169—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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • H04N19/587—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
    • 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
    • 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
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic 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
    • H04N19/90—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)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AU2019204437A 2019-06-24 2019-06-24 Method, apparatus and system for encoding and decoding a block of video samples Active AU2019204437B2 (en)

Priority Applications (17)

Application Number Priority Date Filing Date Title
AU2019204437A AU2019204437B2 (en) 2019-06-24 2019-06-24 Method, apparatus and system for encoding and decoding a block of video samples
PCT/AU2020/050373 WO2020257842A1 (en) 2019-06-24 2020-04-15 Method, apparatus and system for encoding and decoding a block of video samples
CN202510115261.6A CN119788851A (zh) 2019-06-24 2020-04-15 用于生成预测样本的方法和设备、存储介质和计算机程序产品
KR1020217036071A KR102873333B1 (ko) 2019-06-24 2020-04-15 비디오 샘플들의 블록을 인코딩 및 디코딩하기 위한 방법, 장치 및 시스템
EP20832284.2A EP3987782A4 (en) 2019-06-24 2020-04-15 Method, apparatus and system for encoding and decoding a block of video samples
CN202510115710.7A CN119788852A (zh) 2019-06-24 2020-04-15 用于生成预测样本的方法和设备、存储介质和计算机程序产品
CN202510115712.6A CN119788853A (zh) 2019-06-24 2020-04-15 用于生成预测样本的方法和设备、存储介质和计算机程序产品
CN202510115168.5A CN119788850A (zh) 2019-06-24 2020-04-15 用于生成预测样本的方法和设备、存储介质和计算机程序产品
CN202080042249.2A CN113940065B (zh) 2019-06-24 2020-04-15 用于编码和解码视频样本的块的方法、设备和系统
JP2021544700A JP7307803B2 (ja) 2019-06-24 2020-04-15 ビデオサンプルのブロックを符号化及び復号するための方法、装置、及びプログラム
CN202510115165.1A CN119788849A (zh) 2019-06-24 2020-04-15 用于生成预测样本的方法和设备、存储介质和计算机程序产品
US17/620,390 US12309389B2 (en) 2019-06-24 2020-04-15 Method, apparatus and system for encoding and decoding a block of video samples
TW109113598A TWI786392B (zh) 2019-06-24 2020-04-23 用於編碼及解碼視訊樣本的區塊的方法、設備和系統
AU2021273633A AU2021273633B2 (en) 2019-06-24 2021-11-26 Method, apparatus and system for encoding and decoding a block of video samples
JP2023105336A JP7569413B2 (ja) 2019-06-24 2023-06-27 ビデオサンプルのブロックを符号化及び復号するための方法、装置、及びプログラム
JP2024173476A JP7755707B2 (ja) 2019-06-24 2024-10-02 ビデオサンプルのブロックを符号化及び復号するための方法、装置、及びプログラム
US19/180,796 US20250267288A1 (en) 2019-06-24 2025-04-16 Method, apparatus and system for encoding and decoding a block of video samples

Applications Claiming Priority (1)

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AU2019204437A AU2019204437B2 (en) 2019-06-24 2019-06-24 Method, apparatus and system for encoding and decoding a block of video samples

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AU2021273633A Division AU2021273633B2 (en) 2019-06-24 2021-11-26 Method, apparatus and system for encoding and decoding a block of video samples

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AU2019204437A1 AU2019204437A1 (en) 2021-01-14
AU2019204437B2 true AU2019204437B2 (en) 2022-02-03

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US (2) US12309389B2 (https=)
EP (1) EP3987782A4 (https=)
JP (3) JP7307803B2 (https=)
KR (1) KR102873333B1 (https=)
CN (6) CN119788852A (https=)
AU (2) AU2019204437B2 (https=)
TW (1) TWI786392B (https=)
WO (1) WO2020257842A1 (https=)

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TWI786392B (zh) 2022-12-11
WO2020257842A1 (en) 2020-12-30
AU2021273633B2 (en) 2023-11-02
US20220345718A1 (en) 2022-10-27
EP3987782A1 (en) 2022-04-27
AU2021273633A1 (en) 2021-12-16
KR102873333B1 (ko) 2025-10-20
CN119788849A (zh) 2025-04-08
TW202101999A (zh) 2021-01-01
CN119788852A (zh) 2025-04-08
CN119788853A (zh) 2025-04-08
JP2025000940A (ja) 2025-01-07
JP2023123706A (ja) 2023-09-05
JP7307803B2 (ja) 2023-07-12
CN113940065B (zh) 2025-01-21
KR20210141751A (ko) 2021-11-23
JP2022538707A (ja) 2022-09-06
US12309389B2 (en) 2025-05-20
JP7569413B2 (ja) 2024-10-17
AU2019204437A1 (en) 2021-01-14
CN119788851A (zh) 2025-04-08
JP7755707B2 (ja) 2025-10-16
EP3987782A4 (en) 2023-06-28
CN113940065A (zh) 2022-01-14
CN119788850A (zh) 2025-04-08
US20250267288A1 (en) 2025-08-21

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