KR20220106109A - 픽처들을 인코딩하고 디코딩하는 방법들, 그리고 연관된 장치 및 시스템들 - Google Patents

픽처들을 인코딩하고 디코딩하는 방법들, 그리고 연관된 장치 및 시스템들 Download PDF

Info

Publication number
KR20220106109A
KR20220106109A KR1020227008624A KR20227008624A KR20220106109A KR 20220106109 A KR20220106109 A KR 20220106109A KR 1020227008624 A KR1020227008624 A KR 1020227008624A KR 20227008624 A KR20227008624 A KR 20227008624A KR 20220106109 A KR20220106109 A KR 20220106109A
Authority
KR
South Korea
Prior art keywords
mip
prediction
coding block
unit
samples
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.)
Pending
Application number
KR1020227008624A
Other languages
English (en)
Korean (ko)
Inventor
쥔옌 훠
솨이 완
옌줘 마
하이신 왕
푸정 양
Original Assignee
광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드
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 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 filed Critical 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드
Publication of KR20220106109A publication Critical patent/KR20220106109A/ko
Pending legal-status Critical Current

Links

Images

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
    • H04N19/102—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
    • H04N19/134—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020227008624A 2019-12-10 2019-12-10 픽처들을 인코딩하고 디코딩하는 방법들, 그리고 연관된 장치 및 시스템들 Pending KR20220106109A (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/124365 WO2021114102A1 (en) 2019-12-10 2019-12-10 Methods for encoding and decoding pictures and associated apparatus and systems

Publications (1)

Publication Number Publication Date
KR20220106109A true KR20220106109A (ko) 2022-07-28

Family

ID=76329174

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020227008624A Pending KR20220106109A (ko) 2019-12-10 2019-12-10 픽처들을 인코딩하고 디코딩하는 방법들, 그리고 연관된 장치 및 시스템들

Country Status (6)

Country Link
US (9) US11503280B2 (https=)
EP (2) EP4697703A3 (https=)
JP (2) JP2023510441A (https=)
KR (1) KR20220106109A (https=)
CN (8) CN121284246A (https=)
WO (1) WO2021114102A1 (https=)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114009044A (zh) 2019-06-14 2022-02-01 瑞典爱立信有限公司 用于基于矩阵的帧内预测的简化下采样
WO2020251469A1 (en) * 2019-06-14 2020-12-17 Telefonaktiebolaget Lm Ericsson (Publ) Sample value clipping on mip reduced prediction
KR20250136435A (ko) * 2019-06-25 2025-09-16 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 이미지 인코딩 방법, 이미지 디코딩 방법, 인코더, 디코더 및 저장 매체
EP4697703A3 (en) * 2019-12-10 2026-04-08 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Methods for encoding and decoding pictures and associated apparatus and systems
JPWO2021125317A1 (https=) * 2019-12-20 2021-06-24
CN118160306A (zh) * 2021-10-29 2024-06-07 Oppo广东移动通信有限公司 帧内预测方法、解码器、编码器及编解码系统
EP4266686A1 (en) 2022-04-18 2023-10-25 Comcast Cable Communications, LLC Video compression using template-based determination of intra prediction mode
AU2025205042A1 (en) * 2024-07-05 2026-01-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Trustworthiness of a video data stream

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130105114A (ko) * 2012-03-16 2013-09-25 주식회사 아이벡스피티홀딩스 인트라 예측 모드에서의 영상 복호화 방법
MX363952B (es) * 2012-04-13 2019-04-08 Mitsubishi Electric Corp Dispositivo de codificacion de imagen, dispositivo de decodificacion de imagen, metodo de codificacion de imagen, y metodo de decodificacion de imagen.
JP6164840B2 (ja) * 2012-12-28 2017-07-19 キヤノン株式会社 符号化装置、符号化方法、及びプログラム
JP5711789B2 (ja) * 2013-07-25 2015-05-07 日本電信電話株式会社 画像符号化方法、画像符号化装置及び画像符号化プログラム
GB2552323B (en) * 2016-07-18 2020-04-29 Imagination Tech Ltd Mip map compression
CN117119186A (zh) * 2017-01-02 2023-11-24 Lx 半导体科技有限公司 图像编码/解码设备以及发送图像数据的设备
KR102511546B1 (ko) * 2017-02-24 2023-03-17 주식회사 케이티 비디오 신호 처리 방법 및 장치
US12457321B2 (en) * 2017-03-22 2025-10-28 Electronics And Telecommunications Research Institute Prediction method and device using reference block
JP6914722B2 (ja) * 2017-05-11 2021-08-04 キヤノン株式会社 動画像符号化装置、動画像符号化方法及びプログラム
EP3764644B1 (en) * 2018-03-31 2024-11-27 Huawei Technologies Co., Ltd. Intra-frame mode prediction method and apparatus for image block
WO2020239017A1 (en) * 2019-05-31 2020-12-03 Beijing Bytedance Network Technology Co., Ltd. One-step downsampling process in matrix-based intra prediction
CN113950832B (zh) * 2019-06-03 2025-07-08 Lg电子株式会社 基于矩阵的帧内预测装置和方法
EP3989578B1 (en) * 2019-06-19 2023-09-13 Sony Group Corporation Image processing device, and image processing method
JP7814937B2 (ja) * 2019-08-30 2026-02-17 アリババ グループ ホウルディング リミテッド 映像信号の行列加重イントラ予測
US20210092405A1 (en) * 2019-09-19 2021-03-25 Qualcomm Incorporated Matrix combination for matrix-weighted intra prediction in video coding
EP4697703A3 (en) * 2019-12-10 2026-04-08 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Methods for encoding and decoding pictures and associated apparatus and systems

Also Published As

Publication number Publication date
US20230053024A1 (en) 2023-02-16
CN114073082A (zh) 2022-02-18
JP2025024219A (ja) 2025-02-19
US20260059096A1 (en) 2026-02-26
CN121284248A (zh) 2026-01-06
WO2021114102A1 (en) 2021-06-17
EP4074045A4 (en) 2022-10-19
EP4697703A2 (en) 2026-02-18
EP4074045B1 (en) 2026-04-15
EP4074045A1 (en) 2022-10-19
EP4697703A3 (en) 2026-04-08
CN114598890B (zh) 2025-02-11
US12382023B2 (en) 2025-08-05
US20240283914A1 (en) 2024-08-22
US20260059099A1 (en) 2026-02-26
CN121284247A (zh) 2026-01-06
US20250330576A1 (en) 2025-10-23
US11503280B2 (en) 2022-11-15
US20220141453A1 (en) 2022-05-05
US12003704B2 (en) 2024-06-04
CN119893081A (zh) 2025-04-25
US20260059100A1 (en) 2026-02-26
US11997259B2 (en) 2024-05-28
CN121442099A (zh) 2026-01-30
US20230038121A1 (en) 2023-02-09
JP2023510441A (ja) 2023-03-14
CN121284246A (zh) 2026-01-06
CN114598890A (zh) 2022-06-07
CN121462768A (zh) 2026-02-03
US20260059098A1 (en) 2026-02-26

Similar Documents

Publication Publication Date Title
KR20220106109A (ko) 픽처들을 인코딩하고 디코딩하는 방법들, 그리고 연관된 장치 및 시스템들
JP7834912B2 (ja) 符号化／復号の方法および装置、ならびに通信システム
RU2821306C2 (ru) Способ кодирования и декодирования, устройство и система связи

Legal Events

Date Code Title Description
PA0105 International application

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

PG1501 Laying open of application

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

A201 Request for examination
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

P13-X000 Application amended

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

PA0201 Request for examination

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

D21 Rejection of application intended

Free format text: ST27 STATUS EVENT CODE: A-1-2-D10-D21-EXM-PE0902 (AS PROVIDED BY THE NATIONAL OFFICE)

PE0902 Notice of grounds for rejection

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

P11 Amendment of application requested

Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P11-NAP-X000 (AS PROVIDED BY THE NATIONAL OFFICE)

P11-X000 Amendment of application requested

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