KR20230152747A - 인트라 예측을 수행하기 위한 방법 및 디바이스, 그리고 컴퓨터 판독가능 매체 - Google Patents

인트라 예측을 수행하기 위한 방법 및 디바이스, 그리고 컴퓨터 판독가능 매체 Download PDF

Info

Publication number
KR20230152747A
KR20230152747A KR1020237034005A KR20237034005A KR20230152747A KR 20230152747 A KR20230152747 A KR 20230152747A KR 1020237034005 A KR1020237034005 A KR 1020237034005A KR 20237034005 A KR20237034005 A KR 20237034005A KR 20230152747 A KR20230152747 A KR 20230152747A
Authority
KR
South Korea
Prior art keywords
intra prediction
mode
prediction mode
prediction modes
video
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
KR1020237034005A
Other languages
English (en)
Korean (ko)
Inventor
량 자오
샨 리우
Original Assignee
텐센트 아메리카 엘엘씨
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 텐센트 아메리카 엘엘씨 filed Critical 텐센트 아메리카 엘엘씨
Publication of KR20230152747A publication Critical patent/KR20230152747A/ko
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/11Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/119Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020237034005A 2021-06-11 2022-01-28 인트라 예측을 수행하기 위한 방법 및 디바이스, 그리고 컴퓨터 판독가능 매체 Pending KR20230152747A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202163209806P 2021-06-11 2021-06-11
US63/209,806 2021-06-11
US17/573,306 US12081742B2 (en) 2021-06-11 2022-01-11 Intra mode coding
US17/573,306 2022-01-11
PCT/US2022/014284 WO2022260722A1 (en) 2021-06-11 2022-01-28 Improved intra mode coding

Publications (1)

Publication Number Publication Date
KR20230152747A true KR20230152747A (ko) 2023-11-03

Family

ID=84390729

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020237034005A Pending KR20230152747A (ko) 2021-06-11 2022-01-28 인트라 예측을 수행하기 위한 방법 및 디바이스, 그리고 컴퓨터 판독가능 매체

Country Status (6)

Country Link
US (2) US12081742B2 (https=)
EP (1) EP4128751A4 (https=)
JP (2) JP7571290B2 (https=)
KR (1) KR20230152747A (https=)
CN (2) CN119110095B (https=)
WO (1) WO2022260722A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2026038846A1 (ko) * 2024-08-12 2026-02-19 디지털인사이트 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116320444B (zh) * 2023-03-17 2025-10-17 上海哔哩哔哩科技有限公司 视频编码方法及装置

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8902978B2 (en) * 2010-05-30 2014-12-02 Lg Electronics Inc. Enhanced intra prediction mode signaling
US10136130B2 (en) * 2010-08-17 2018-11-20 M&K Holdings Inc. Apparatus for decoding an image
KR20140071507A (ko) * 2010-08-17 2014-06-11 엠앤케이홀딩스 주식회사 예측 블록 생성 장치
US9667987B2 (en) * 2011-03-10 2017-05-30 Futurewei Technologies, Inc. Using multiple prediction sets to encode extended unified directional intra mode numbers for robustness
KR20130049522A (ko) 2011-11-04 2013-05-14 오수미 인트라 예측 블록 생성 방법
CN105122809A (zh) * 2013-04-11 2015-12-02 联发科技股份有限公司 帧内编码的预测值派生的方法和装置
KR102317682B1 (ko) * 2013-12-19 2021-10-26 삼성전자주식회사 인트라 예측을 수반한 비디오 부호화 방법 및 그 장치, 비디오 복호화 방법 및 그 장치
US20180048915A1 (en) * 2015-02-27 2018-02-15 Lg Electronics Inc. Method and apparatus for encoding/decoding a video signal
CN108886617B (zh) 2016-04-06 2021-08-27 株式会社Kt 用于处理视频信号的方法和设备
WO2017184970A1 (en) * 2016-04-22 2017-10-26 Vid Scale, Inc. Prediction systems and methods for video coding based on filtering nearest neighboring pixels
KR102824987B1 (ko) * 2016-10-12 2025-06-26 삼성전자주식회사 영상 처리 방법, 그를 이용한 영상 복호화 및 부호화 방법
US20190289301A1 (en) * 2016-05-23 2019-09-19 Kaonmedia Co., Ltd. Image processing method, and image encoding and decoding method using same
US20170374369A1 (en) * 2016-06-24 2017-12-28 Mediatek Inc. Methods and Apparatuses of Decoder Side Intra Mode Derivation
WO2018074812A1 (ko) * 2016-10-19 2018-04-26 에스케이텔레콤 주식회사 영상 부호화 또는 복호화하기 위한 장치 및 방법
KR20180043149A (ko) * 2016-10-19 2018-04-27 에스케이텔레콤 주식회사 영상 부호화 또는 복호화하기 위한 장치 및 방법
US10484695B2 (en) * 2017-10-23 2019-11-19 Google Llc Refined entropy coding for level maps
WO2019139393A1 (ko) * 2018-01-15 2019-07-18 김기백 색차 성분에 관한 화면내 예측 부호화/복호화 방법 및 장치
EP3777144A4 (en) * 2018-03-30 2021-12-22 Hulu, LLC Intra prediction mode signaling for video coding
US10645381B2 (en) * 2018-04-30 2020-05-05 Google Llc Intra-prediction for smooth blocks in image/video
CN118972560A (zh) * 2018-06-25 2024-11-15 有限公司B1影像技术研究所 用于编码/解码图像的方法和装置
MY205629A (en) 2018-06-25 2024-10-31 Guangdong Oppo Mobile Telecommunications Corp Ltd Intra-frame prediction method and device
US11159806B2 (en) 2018-06-28 2021-10-26 Qualcomm Incorporated Position dependent intra prediction combination with multiple reference lines for intra prediction
MY199332A (en) 2018-09-03 2023-10-24 Huawei Tech Co Ltd Method and apparatus for intra prediction
WO2020055290A1 (en) * 2018-09-13 2020-03-19 Huawei Technologies Co., Ltd. Method and apparatus for intra prediction
US11496748B2 (en) * 2019-03-21 2022-11-08 Tencent America LLC Method and apparatus for improved planar and DC modes for non-zero reference lines
EP4049244A1 (en) * 2019-11-26 2022-08-31 Google LLC Ultra light models and decision fusion for fast video coding
US11375220B2 (en) 2019-11-27 2022-06-28 Tencent America LLC Method and apparatus for video decoding using a nominal directional mode and an angular offset
US11363295B2 (en) * 2019-11-27 2022-06-14 Tencent America LLC Method and system for intra mode coding
US12058322B2 (en) * 2020-11-05 2024-08-06 Alibaba Group Holding Limited Methods and apparatuses for filtering intra predicted video blocks
US11394987B2 (en) * 2020-12-11 2022-07-19 Qualcomm Incorporated Chroma samples from luma samples prediction for video coding
US11516477B2 (en) * 2021-02-11 2022-11-29 Qualcomm Incorporated Intra block copy scratch frame buffer
WO2022262695A1 (en) * 2021-06-15 2022-12-22 Beijing Bytedance Network Technology Co., Ltd. Method, device, and medium for video processing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2026038846A1 (ko) * 2024-08-12 2026-02-19 디지털인사이트 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체

Also Published As

Publication number Publication date
JP7571290B2 (ja) 2024-10-22
CN116783888A (zh) 2023-09-19
CN119110095B (zh) 2025-11-18
WO2022260722A1 (en) 2022-12-15
JP2023543983A (ja) 2023-10-19
JP2025011211A (ja) 2025-01-23
CN116783888B (zh) 2024-09-17
US20220400255A1 (en) 2022-12-15
US20240422310A1 (en) 2024-12-19
US12081742B2 (en) 2024-09-03
EP4128751A4 (en) 2023-10-04
EP4128751A1 (en) 2023-02-08
CN119110095A (zh) 2024-12-10

Similar Documents

Publication Publication Date Title
KR102806126B1 (ko) 서브공간 제약을 갖는 직교 변환 생성
US12294694B2 (en) Harmonized design for intra bi-prediction and multiple reference line selection
US12101504B2 (en) Reference line for directional intra prediction
US20240422310A1 (en) Intra Mode Coding
KR20230106688A (ko) 적응적 다중 변환 세트 선택
US20250055983A1 (en) Entropy coding for intra prediction modes
JP7683894B2 (ja) 二次変換係数の走査順序
KR102943340B1 (ko) 변환 계수에 대한 부호 맵의 개선된 엔트로피 코딩
JP2024167191A (ja) 変換パーティショニングとプライマリ/セカンダリ変換タイプ選択との間の相互作用
KR20230170759A (ko) 1차원 변환 스킵을 위한 eob의 시그널링
KR20230117613A (ko) 인트라 모드 코딩을 위한 하드웨어 친화적 설계
KR20230038300A (ko) 인트라 모드 코딩을 위한 개선
JP2025528984A (ja) ルマ予測から彩度用のダウンサンプリングフィルタを選択すること
KR20240122500A (ko) 병합된 크로마 블록들에 기초한 루마로부터 크로마 예측
KR20230152733A (ko) 이웃 루마 샘플들을 사용하는 루마로부터의 크로마 예측

Legal Events

Date Code Title Description
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

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

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