JP2024522853A - 複合インター及びイントラ予測を行うための方法及びシステム - Google Patents

複合インター及びイントラ予測を行うための方法及びシステム Download PDF

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JP2024522853A
JP2024522853A JP2023579117A JP2023579117A JP2024522853A JP 2024522853 A JP2024522853 A JP 2024522853A JP 2023579117 A JP2023579117 A JP 2023579117A JP 2023579117 A JP2023579117 A JP 2023579117A JP 2024522853 A JP2024522853 A JP 2024522853A
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intra
sub
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current block
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JP2024522853A5 (enExample
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リ，シンウェイ
リャオ，ルーリン
チェン，ジエ
イエ，ヤン
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アリババ ダモ （ハンジョウ） テクノロジー カンパニー，リミテッド
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    • 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
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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

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  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2023579117A 2021-06-27 2022-06-24 複合インター及びイントラ予測を行うための方法及びシステム Pending JP2024522853A (ja)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US202163215474P 2021-06-27 2021-06-27
US63/215,474 2021-06-27
US202163235110P 2021-08-19 2021-08-19
US63/235,110 2021-08-19
US17/808,212 2022-06-22
US17/808,212 US12375663B2 (en) 2021-06-27 2022-06-22 Methods and systems for performing combined inter and intra prediction
PCT/SG2022/050432 WO2023277804A2 (en) 2021-06-27 2022-06-24 Methods and systems for performing combined inter and intra prediction

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JP2024522853A true JP2024522853A (ja) 2024-06-21
JP2024522853A5 JP2024522853A5 (enExample) 2025-06-27

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US (2) US12375663B2 (enExample)
EP (1) EP4364407A4 (enExample)
JP (1) JP2024522853A (enExample)
KR (1) KR20240038959A (enExample)
CN (1) CN117897952A (enExample)
WO (1) WO2023277804A2 (enExample)

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JP2024090267A (ja) * 2022-12-22 2024-07-04 Kddi株式会社 画像復号装置、画像復号方法及びプログラム

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CN113660490A (zh) * 2021-06-24 2021-11-16 浙江大华技术股份有限公司 编码单元的划分方法、编码方法、电子装置及存储介质
US12506881B2 (en) 2021-06-28 2025-12-23 Wilus Institute Of Standards And Technology Inc. Video signal processing method using intra prediction and device therefor
US12388976B2 (en) * 2021-06-29 2025-08-12 Sharp Kabushiki Kaisha Device and method for coding video data
CN117730531A (zh) * 2021-08-30 2024-03-19 北京达佳互联信息技术有限公司 用于解码器侧帧内模式推导的方法和设备
WO2023038447A1 (ko) * 2021-09-08 2023-03-16 현대자동차주식회사 비디오 부호화/복호화 방법 및 장치
CN117981300A (zh) * 2021-09-27 2024-05-03 Oppo广东移动通信有限公司 编解码方法、码流、编码器、解码器以及存储介质
US12531985B2 (en) * 2021-10-01 2026-01-20 Lg Electronics Inc. CIIP-based prediction method and device
US12010316B2 (en) 2021-10-05 2024-06-11 Tencent America LLC Modification on fusion of intra prediction
CN114071137B (zh) * 2021-11-16 2025-07-01 北京百度网讯科技有限公司 视频编码方法和装置
WO2023114155A1 (en) * 2021-12-13 2023-06-22 Beijing Dajia Internet Information Technology Co., Ltd. Methods and devices for decoder-side intra mode derivation
US12425597B2 (en) * 2021-12-29 2025-09-23 Mediatek Inc. Method and apparatus for multiple hypothesis prediction in video coding system
CN118402232A (zh) * 2021-12-30 2024-07-26 北京达佳互联信息技术有限公司 用于解码器侧帧内模式推导的方法和设备
US20250150583A1 (en) * 2022-02-08 2025-05-08 Lg Electronics Inc. Image encoding/decoding method and apparatus, and recording medium having bitstream stored therein
KR20240170918A (ko) * 2022-04-07 2024-12-05 인터디지털 씨이 페이튼트 홀딩스, 에스에이에스 인터 예측된 코딩 유닛에 대한 인트라 모드 유도
US20250254336A1 (en) * 2022-04-08 2025-08-07 Interdigital Ce Patent Holdings, Sas Gradual decoding refresh and coding tools
CN119013989A (zh) * 2022-04-12 2024-11-22 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
TW202349957A (zh) * 2022-04-15 2023-12-16 聯發科技股份有限公司 基於模板的幀內模式推導和預測
CN120898419A (zh) * 2023-04-07 2025-11-04 交互数字Ce专利控股有限公司 最可能模式列表
WO2025011953A1 (en) * 2023-07-07 2025-01-16 Koninklijke Philips N.V. Template-based intra mode derivation fusion with non-angular mode
WO2025087262A1 (en) * 2023-10-24 2025-05-01 Mediatek Inc. Methods and apparatus of combined prediction mode with more inter modes for video coding
US20250168358A1 (en) * 2023-11-21 2025-05-22 Tencent America LLC Fine-grained intra prediction fusion
US20250324053A1 (en) * 2024-04-12 2025-10-16 Qualcomm Incorporated Inter ciip and inter geo mode transform set selection for lfnst and nspt in video coding

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JP2024090267A (ja) * 2022-12-22 2024-07-04 Kddi株式会社 画像復号装置、画像復号方法及びプログラム

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CN117897952A (zh) 2024-04-16
WO2023277804A3 (en) 2023-02-09
EP4364407A2 (en) 2024-05-08
US20220417511A1 (en) 2022-12-29
US20250247534A1 (en) 2025-07-31
EP4364407A4 (en) 2024-10-16
US12375663B2 (en) 2025-07-29
KR20240038959A (ko) 2024-03-26
WO2023277804A2 (en) 2023-01-05

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