KR20230047446A - 인트라 예측 모드들에 대한 엔트로피 코딩 - Google Patents

인트라 예측 모드들에 대한 엔트로피 코딩 Download PDF

Info

Publication number
KR20230047446A
KR20230047446A KR1020237007636A KR20237007636A KR20230047446A KR 20230047446 A KR20230047446 A KR 20230047446A KR 1020237007636 A KR1020237007636 A KR 1020237007636A KR 20237007636 A KR20237007636 A KR 20237007636A KR 20230047446 A KR20230047446 A KR 20230047446A
Authority
KR
South Korea
Prior art keywords
mode
block
context
index
intra prediction
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
KR1020237007636A
Other languages
English (en)
Korean (ko)
Inventor
량 자오
신 자오
산 류
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 KR20230047446A publication Critical patent/KR20230047446A/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
    • H04N19/13—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
    • H04N19/103—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
    • H04N19/134—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
    • 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
    • H04N19/593—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

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)
KR1020237007636A 2021-07-07 2022-01-27 인트라 예측 모드들에 대한 엔트로피 코딩 Pending KR20230047446A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202163219230P 2021-07-07 2021-07-07
US63/219,230 2021-07-07
US17/573,845 US12166973B2 (en) 2021-07-07 2022-01-12 Entropy coding for intra prediction modes
US17/573,845 2022-01-12
PCT/US2022/014140 WO2023282937A1 (en) 2021-07-07 2022-01-27 Entropy coding for intra prediction modes

Publications (1)

Publication Number Publication Date
KR20230047446A true KR20230047446A (ko) 2023-04-07

Family

ID=84798088

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020237007636A Pending KR20230047446A (ko) 2021-07-07 2022-01-27 인트라 예측 모드들에 대한 엔트로피 코딩

Country Status (6)

Country Link
US (2) US12166973B2 (https=)
EP (1) EP4179727A4 (https=)
JP (2) JP7508705B2 (https=)
KR (1) KR20230047446A (https=)
CN (2) CN116325722B (https=)
WO (1) WO2023282937A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116472711A (zh) * 2021-08-24 2023-07-21 腾讯美国有限责任公司 用于帧内模式编码的硬件友好设计
US12120335B2 (en) * 2021-08-24 2024-10-15 Tencent America LLC Hardware friendly design for intra mode coding

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11284072B2 (en) 2010-08-17 2022-03-22 M&K Holdings Inc. Apparatus for decoding an image
US10547854B2 (en) * 2016-05-13 2020-01-28 Qualcomm Incorporated Neighbor based signaling of intra prediction modes
US10506228B2 (en) 2016-10-04 2019-12-10 Qualcomm Incorporated Variable number of intra modes for video coding
CA3227652C (en) * 2016-10-04 2025-11-18 Kt Corporation METHOD AND APPARATUS FOR VIDEO SIGNAL PROCESSING
KR102424189B1 (ko) 2018-02-14 2022-07-21 후아웨이 테크놀러지 컴퍼니 리미티드 적응형 보간 필터
KR20240042127A (ko) 2018-09-03 2024-04-01 후아웨이 테크놀러지 컴퍼니 리미티드 인트라 예측을 위한 방법 및 장치
US11405638B2 (en) * 2019-03-17 2022-08-02 Tencent America LLC Method and apparatus for video coding by determining intra prediction direction based on coded information of neighboring blocks
CN113382256B (zh) 2019-06-21 2022-05-20 杭州海康威视数字技术股份有限公司 一种编解码方法、装置、设备及存储介质
CN113632471B (zh) 2019-08-23 2024-02-27 腾讯美国有限责任公司 视频编解码的方法和装置
CN114303380B (zh) 2019-08-27 2024-04-09 华为技术有限公司 用于几何划分标志的索引的cabac译码的编码器、解码器及对应方法
US11363295B2 (en) * 2019-11-27 2022-06-14 Tencent America LLC Method and system for intra mode coding

Also Published As

Publication number Publication date
CN119402652A (zh) 2025-02-07
CN116325722A (zh) 2023-06-23
JP7508705B2 (ja) 2024-07-01
EP4179727A1 (en) 2023-05-17
JP7827327B2 (ja) 2026-03-10
US12166973B2 (en) 2024-12-10
US20230008488A1 (en) 2023-01-12
US20250055983A1 (en) 2025-02-13
WO2023282937A1 (en) 2023-01-12
CN116325722B (zh) 2024-10-01
JP2024116385A (ja) 2024-08-27
EP4179727A4 (en) 2023-09-06
JP2023545829A (ja) 2023-10-31

Similar Documents

Publication Publication Date Title
JP7540082B2 (ja) オフセット・ベースのリファインメント及び複数参照ライン選択の調和的設計
US12294694B2 (en) Harmonized design for intra bi-prediction and multiple reference line selection
US20250055983A1 (en) Entropy coding for intra prediction modes
WO2023200476A1 (en) Chroma from luma prediction using neighbor luma samples
KR20230106688A (ko) 적응적 다중 변환 세트 선택
US20250039419A1 (en) Hardware friendly design for intra mode coding
US12593069B2 (en) Low memory design for multiple reference line selection scheme
JP2025011211A (ja) イントラモードコーディングの改善
US12464120B2 (en) Intra mode coding
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
KR20220165279A (ko) 다중 참조 라인 인트라 예측과 변환 파티셔닝 사이의 조화된 설계
EP4100920A1 (en) Decoupled transform partitioning
US12137237B2 (en) Zero residual flag coding
EP4523408A1 (en) Chroma from luma prediction using neighbor luma samples

Legal Events

Date Code Title Description
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-X000 Amendment of application requested

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