JP7510006B2 - イントラモードコーディングのための改良 - Google Patents

イントラモードコーディングのための改良 Download PDF

Info

Publication number
JP7510006B2
JP7510006B2 JP2023524542A JP2023524542A JP7510006B2 JP 7510006 B2 JP7510006 B2 JP 7510006B2 JP 2023524542 A JP2023524542 A JP 2023524542A JP 2023524542 A JP2023524542 A JP 2023524542A JP 7510006 B2 JP7510006 B2 JP 7510006B2
Authority
JP
Japan
Prior art keywords
intra
mode
prediction
modes
block
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
JP2023524542A
Other languages
English (en)
Japanese (ja)
Other versions
JP2023546674A (ja
Inventor
ジャオ,リアン
ジャオ,シン
リウ,シャン
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tencent America LLC
Original Assignee
Tencent America LLC
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 Tencent America LLC filed Critical Tencent America LLC
Publication of JP2023546674A publication Critical patent/JP2023546674A/ja
Priority to JP2024099241A priority Critical patent/JP2024111184A/ja
Application granted granted Critical
Publication of JP7510006B2 publication Critical patent/JP7510006B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • H04N19/103Selection 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
    • H04N19/134Methods 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
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
    • H04N19/169Methods 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
    • H04N19/463Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2023524542A 2021-07-15 2022-01-18 イントラモードコーディングのための改良 Active JP7510006B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2024099241A JP2024111184A (ja) 2021-07-15 2024-06-20 イントラモードコーディングのための改良

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202163222376P 2021-07-15 2021-07-15
US63/222,376 2021-07-15
US17/564,607 US11917136B2 (en) 2021-07-15 2021-12-29 Intra mode coding
US17/564,607 2021-12-29
PCT/US2022/012752 WO2023287458A1 (en) 2021-07-15 2022-01-18 Improvement for intra mode coding

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2024099241A Division JP2024111184A (ja) 2021-07-15 2024-06-20 イントラモードコーディングのための改良

Publications (2)

Publication Number Publication Date
JP2023546674A JP2023546674A (ja) 2023-11-07
JP7510006B2 true JP7510006B2 (ja) 2024-07-02

Family

ID=84920537

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2023524542A Active JP7510006B2 (ja) 2021-07-15 2022-01-18 イントラモードコーディングのための改良
JP2024099241A Pending JP2024111184A (ja) 2021-07-15 2024-06-20 イントラモードコーディングのための改良

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2024099241A Pending JP2024111184A (ja) 2021-07-15 2024-06-20 イントラモードコーディングのための改良

Country Status (6)

Country Link
US (3) US11917136B2 (https=)
EP (2) EP4614980A3 (https=)
JP (2) JP7510006B2 (https=)
KR (1) KR20230038300A (https=)
CN (2) CN119996659A (https=)
WO (1) WO2023287458A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12407845B2 (en) * 2023-02-13 2025-09-02 Tencent America LLC Refined intra prediction angles
CN121286011A (zh) * 2023-06-01 2026-01-06 三星电子株式会社 使用帧内预测模式的图像编码方法、编码设备、解码方法和解码设备

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200053385A1 (en) 2016-10-04 2020-02-13 Kt Corporation Method and apparatus for processing video signal
WO2020048463A1 (en) 2018-09-03 2020-03-12 Huawei Technologies Co., Ltd. Method and apparatus for intra prediction
WO2020139060A1 (ko) 2018-12-28 2020-07-02 김기백 인트라 예측 기반의 영상 부호화/복호화 방법 및 장치

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101306834B1 (ko) 2008-09-22 2013-09-10 에스케이텔레콤 주식회사 인트라 예측 모드의 예측 가능성을 이용한 영상 부호화/복호화 장치 및 방법
US8902978B2 (en) * 2010-05-30 2014-12-02 Lg Electronics Inc. Enhanced intra prediction mode signaling
US9654785B2 (en) 2011-06-09 2017-05-16 Qualcomm Incorporated Enhanced intra-prediction mode signaling for video coding using neighboring mode
BR112013014374B8 (pt) 2011-09-13 2022-08-30 Mediatek Singapore Pte Ltd Método e aparelho para codificação de modo intra em hevc
WO2018080135A1 (ko) * 2016-10-28 2018-05-03 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
US10924733B2 (en) * 2017-12-29 2021-02-16 FG Innovation Company Limited Device and method for coding video data based on mode list including different mode groups
WO2020197224A1 (ko) * 2019-03-24 2020-10-01 엘지전자 주식회사 인트라 예측 모드 후보 리스트를 구성하는 영상 코딩
MX2021012405A (es) 2019-04-17 2021-11-12 Huawei Tech Co Ltd Un codificador, un decodificador y metodos de armonizacion de intraprediccion basada en matriz correspondiente y seleccion de nucleo de transformada secundaria.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200053385A1 (en) 2016-10-04 2020-02-13 Kt Corporation Method and apparatus for processing video signal
WO2020048463A1 (en) 2018-09-03 2020-03-12 Huawei Technologies Co., Ltd. Method and apparatus for intra prediction
WO2020139060A1 (ko) 2018-12-28 2020-07-02 김기백 인트라 예측 기반의 영상 부호화/복호화 방법 및 장치

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Thuong Nguyen Canh, Motong Xu, and Byeungwoo Jeon,Performance Evaluation of AV1 Intra Coding Tools,2019 International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB),IEEE,2019年06月,pp.1-4

Also Published As

Publication number Publication date
US20240155118A1 (en) 2024-05-09
EP4614980A2 (en) 2025-09-10
US20260046398A1 (en) 2026-02-12
WO2023287458A1 (en) 2023-01-19
US11917136B2 (en) 2024-02-27
JP2023546674A (ja) 2023-11-07
EP4165872A4 (en) 2023-08-30
CN116250231A (zh) 2023-06-09
KR20230038300A (ko) 2023-03-17
US20230024538A1 (en) 2023-01-26
US12464120B2 (en) 2025-11-04
EP4165872B1 (en) 2025-09-17
JP2024111184A (ja) 2024-08-16
CN119996659A (zh) 2025-05-13
EP4614980A3 (en) 2025-11-19
EP4165872A1 (en) 2023-04-19
CN116250231B (zh) 2025-02-11

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
JP7761348B2 (ja) 部分空間制約を有する直交変換生成
JP7817335B2 (ja) イントラ双方向予測及び複数参照ライン選択のための調和設計
JP7827327B2 (ja) イントラ予測モード向けのエントロピーコーディングのための方法、装置、及びコンピュータプログラム
JP7746478B2 (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
JP2024516763A (ja) 適応型多重変換セット選択
US20260046398A1 (en) Intra Mode Coding
JP7683894B2 (ja) 二次変換係数の走査順序
JP7512422B2 (ja) 複数基準線イントラ予測と変換分割との間の調和した設計
JP2025087846A (ja) イントラモード符号化のためのハードウェアフレンドリーな設計
JP2025011211A (ja) イントラモードコーディングの改善
JP2024123248A (ja) 多重参照ライン・イントラ予測のための方法、装置及びコンピュータ・プログラム
JP7512430B2 (ja) ゼロ残差フラグコーディング

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20230421

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20240123

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240422

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20240521

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20240620