KR102873333B1 - 비디오 샘플들의 블록을 인코딩 및 디코딩하기 위한 방법, 장치 및 시스템 - Google Patents

비디오 샘플들의 블록을 인코딩 및 디코딩하기 위한 방법, 장치 및 시스템

Info

Publication number
KR102873333B1
KR102873333B1 KR1020217036071A KR20217036071A KR102873333B1 KR 102873333 B1 KR102873333 B1 KR 102873333B1 KR 1020217036071 A KR1020217036071 A KR 1020217036071A KR 20217036071 A KR20217036071 A KR 20217036071A KR 102873333 B1 KR102873333 B1 KR 102873333B1
Authority
KR
South Korea
Prior art keywords
block
matrix
prediction
samples
blocks
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
KR1020217036071A
Other languages
English (en)
Korean (ko)
Other versions
KR20210141751A (ko
Inventor
크리스토퍼 제임스 로즈완
이프테크하르 아흐메드
Original Assignee
캐논 가부시끼가이샤
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 캐논 가부시끼가이샤 filed Critical 캐논 가부시끼가이샤
Publication of KR20210141751A publication Critical patent/KR20210141751A/ko
Application granted granted Critical
Publication of KR102873333B1 publication Critical patent/KR102873333B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H04N19/105—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
    • H04N19/134—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
    • H04N19/189—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

Landscapes

  • 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)
KR1020217036071A 2019-06-24 2020-04-15 비디오 샘플들의 블록을 인코딩 및 디코딩하기 위한 방법, 장치 및 시스템 Active KR102873333B1 (ko)

Applications Claiming Priority (3)

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
AU2019204437 2019-06-24
PCT/AU2020/050373 WO2020257842A1 (en) 2019-06-24 2020-04-15 Method, apparatus and system for encoding and decoding a block of video samples

Publications (2)

Publication Number Publication Date
KR20210141751A KR20210141751A (ko) 2021-11-23
KR102873333B1 true KR102873333B1 (ko) 2025-10-20

Family

ID=74059613

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020217036071A Active KR102873333B1 (ko) 2019-06-24 2020-04-15 비디오 샘플들의 블록을 인코딩 및 디코딩하기 위한 방법, 장치 및 시스템

Country Status (8)

Country Link
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=)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011139044A (ja) 2009-12-01 2011-07-14 Semiconductor Energy Lab Co Ltd 発光素子、発光装置、電子機器、および照明装置
AU2019204437B2 (en) * 2019-06-24 2022-02-03 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a block of video samples
EP4162688A1 (en) * 2020-06-03 2023-04-12 Nokia Technologies Oy A method, an apparatus and a computer program product for video encoding and video decoding
WO2022235270A1 (en) * 2021-05-07 2022-11-10 Google Llc Video inter/intra compression using mixture of experts
JP7755043B2 (ja) * 2021-08-18 2025-10-15 エルジー エレクトロニクス インコーポレイティド イントラ予測モードに基づいて参照サンプルフィルタリングを行う画像符号化／復号化方法及び装置、並びにビットストリームを伝送する方法
CN118985131A (zh) * 2022-04-08 2024-11-19 Oppo广东移动通信有限公司 解码方法、编码方法、解码器以及编码器
JP2025511315A (ja) * 2022-04-08 2025-04-15 オッポ広東移動通信有限公司 デコーディング方法、エンコーディング方法、デコーダー及びエンコーダー
US12348750B2 (en) 2023-02-06 2025-07-01 Tencent America LLC Cross component intra prediction with multiple parameters
US12470745B2 (en) * 2023-02-08 2025-11-11 Tencent America LLC Bias value determination for chroma-for-luma (CfL) mode
CN116630450B (zh) * 2023-05-29 2024-07-30 中国人民解放军陆军军医大学 一种动脉夹层腔内特征提取和编码方法、装置及存储介质
US12470744B2 (en) 2023-07-24 2025-11-11 Tencent America LLC Multi-hypothesis cross component prediction
US12556730B2 (en) 2023-08-30 2026-02-17 Tencent America LLC Block adaptive multi-hypothesis cross component prediction

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101474756B1 (ko) 2009-08-13 2014-12-19 삼성전자주식회사 큰 크기의 변환 단위를 이용한 영상 부호화, 복호화 방법 및 장치
US8879632B2 (en) 2010-02-18 2014-11-04 Qualcomm Incorporated Fixed point implementation for geometric motion partitioning
CA2934930C (en) 2010-04-23 2018-12-11 M&K Holdings Inc. Encoding of image coefficients divided into a plurality of sub-blocks, whereby the scan pattern is determined by the intra-prediction mode
US8964849B2 (en) 2011-11-01 2015-02-24 Blackberry Limited Multi-level significance maps for encoding and decoding
US9743098B2 (en) 2011-11-19 2017-08-22 Blackberry Limited Multi-level significance map scanning
CN110602509A (zh) 2012-02-04 2019-12-20 谷歌技术控股有限责任公司 用于最末重要系数位置编码中的上下文减少的设备和方法
US9538175B2 (en) 2012-09-26 2017-01-03 Qualcomm Incorporated Context derivation for context-adaptive, multi-level significance coding
US10147202B2 (en) * 2013-03-15 2018-12-04 Arm Limited Methods of and apparatus for encoding and decoding data
KR20180001485A (ko) 2016-06-24 2018-01-04 한국전자통신연구원 변환 기반의 영상 부호화/복호화 방법 및 장치
GB2552323B (en) 2016-07-18 2020-04-29 Imagination Tech Ltd Mip map compression
KR20180014675A (ko) * 2016-08-01 2018-02-09 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
WO2019010267A1 (en) * 2017-07-05 2019-01-10 Arris Enterprises Llc POST-FILTERING FOR WEIGHTED ANGULAR PREDICTION
EP3643065A1 (en) 2017-07-24 2020-04-29 ARRIS Enterprises LLC Intra mode jvet coding
WO2019098464A1 (ko) * 2017-11-14 2019-05-23 삼성전자 주식회사 부호화 방법 및 그 장치, 복호화 방법 및 그 장치
KR102622452B1 (ko) 2018-09-13 2024-01-09 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 아핀 선형 가중 인트라 예측
CN113225559B (zh) * 2018-10-12 2023-05-16 Oppo广东移动通信有限公司 视频信号的编码方法和解码方法及其装置
CN113748677A (zh) 2019-04-27 2021-12-03 华为技术有限公司 编码器、解码器及对应的帧内预测方法
EP3949391A4 (en) * 2019-05-01 2022-05-25 Beijing Bytedance Network Technology Co., Ltd. MATRIX-BASED INTRAPREDICTION USING FILTRATION
US11284093B2 (en) * 2019-05-09 2022-03-22 Qualcomm Incorporated Affine linear weighted intra prediction in video coding
JP7379541B2 (ja) * 2019-06-03 2023-11-14 エルジー エレクトロニクス インコーポレイティド マトリックスに基づくイントラ予測装置及び方法
AU2019204437B2 (en) * 2019-06-24 2022-02-03 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a block of video samples

Non-Patent Citations (7)

* Cited by examiner, † Cited by third party
Title
B. Wang, et al. Non-CE3: Simplifications of Intra Mode Coding for Matrix-based Intra Prediction , JVET-O0170, 2019.06.21.
Benjamin Bross, et al., Versatile Video Coding (Draft 5), JVET-N1001-v8, 2019.06.11.*
Jianle Chen, et al., Algorithm description for Versatile Video Coding and Test Model 5 (VTM 5), JVET-N1002-v2, 2019.06.11.*
Jonathan Pfaff, et al. CE3: Affine linear weighted intra prediction (CE3-4.1, CE3-4.2), JVET-N0217, 2019.03.25.
Liang Zhao, et al. Non-CE3: Simplifications for MIP, JVET-O0171, 2019.06.21.
Mehdi Salehifar, et al. CE3 Related: Low Memory and Computational Complexity Matrix Based Intra Prediction (MIP), JVET-O0139-V2, 2019.07.03.
Z. Zhang, et al. Non-CE3: Sample value clipping on MIP reduced prediction, JVET-O0160, 2019.06.20.

Also Published As

Publication number Publication date
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
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
AU2019204437B2 (en) 2022-02-03
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

Similar Documents

Publication Publication Date Title
KR102873333B1 (ko) 비디오 샘플들의 블록을 인코딩 및 디코딩하기 위한 방법, 장치 및 시스템
KR102904270B1 (ko) 비디오 샘플들의 블록을 인코딩 및 디코딩하기 위한 방법, 장치 및 시스템
CN112771866B (zh) 对视频样本块的树进行编码和解码的方法、设备和系统
KR102809983B1 (ko) 비디오 샘플들의 블록들의 트리를 인코딩 및 디코딩하기 위한 방법, 장치 및 시스템
US20250063169A1 (en) Method, apparatus and system for encoding and decoding a transformed block of video samples
JP7615275B2 (ja) 符号化ブロックを復号する方法、符号化ブロックを符号化する方法、復号装置、符号化装置、コンピュータプログラム
US20250056067A1 (en) Method, apparatus and system for encoding and decoding a transformed block of video samples
HK40122860A (zh) 用於生成预测样本的方法和设备、存储介质和计算机程序产品
HK40124744A (zh) 用於生成预测样本的方法和设备、存储介质和计算机程序产品
HK40125758A (zh) 用於生成预测样本的方法和设备、存储介质和计算机程序产品
HK40123143A (zh) 用於生成预测样本的方法和设备、存储介质和计算机程序产品
AU2020202285A1 (en) Method, apparatus and system for encoding and decoding a block of video samples

Legal Events

Date Code Title Description
A201 Request for examination
P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E90F Notification of reason for final refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

D22 Grant of ip right intended

Free format text: ST27 STATUS EVENT CODE: A-1-2-D10-D22-EXM-PE0701 (AS PROVIDED BY THE NATIONAL OFFICE)

PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

F11 Ip right granted following substantive examination

Free format text: ST27 STATUS EVENT CODE: A-2-4-F10-F11-EXM-PR0701 (AS PROVIDED BY THE NATIONAL OFFICE)

PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U12-oth-PR1002

Fee payment year number: 1

U12 Designation fee paid

Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U12-OTH-PR1002 (AS PROVIDED BY THE NATIONAL OFFICE)

Year of fee payment: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

Q13 Ip right document published

Free format text: ST27 STATUS EVENT CODE: A-4-4-Q10-Q13-NAP-PG1601 (AS PROVIDED BY THE NATIONAL OFFICE)