JP2022539768A - 画像予測方法、エンコーダ、デコーダ及び記憶媒体 - Google Patents

画像予測方法、エンコーダ、デコーダ及び記憶媒体 Download PDF

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JP2022539768A
JP2022539768A JP2021577825A JP2021577825A JP2022539768A JP 2022539768 A JP2022539768 A JP 2022539768A JP 2021577825 A JP2021577825 A JP 2021577825A JP 2021577825 A JP2021577825 A JP 2021577825A JP 2022539768 A JP2022539768 A JP 2022539768A
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ユイ、ユアンファン
リウ、ヤン
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to JP2025049857A priority patent/JP2025094206A/ja
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Priority to JP2025049936A priority patent/JP2025094210A/ja
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    • 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
    • H04N19/11Selection 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
    • H04N19/134Methods 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
    • H04N19/10Methods 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
    • H04N19/184Methods 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 bits, e.g. of the compressed video stream
    • 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
    • H04N19/186Methods 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 a colour or a chrominance component
    • 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

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  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2021577825A 2019-07-07 2020-05-15 画像予測方法、エンコーダ、デコーダ及び記憶媒体 Pending JP2022539768A (ja)

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JP2025049967A JP2025106816A (ja) 2019-07-07 2025-03-25 画像予測方法、エンコーダ、デコーダ及び記憶媒体
JP2025049857A JP2025094206A (ja) 2019-07-07 2025-03-25 画像予測方法、エンコーダ、デコーダ及び記憶媒体
JP2025049891A JP2025094208A (ja) 2019-07-07 2025-03-25 画像予測方法、エンコーダ、デコーダ及び記憶媒体
JP2025049936A JP2025094210A (ja) 2019-07-07 2025-03-25 画像予測方法、エンコーダ、デコーダ及び記憶媒体

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US201962871177P 2019-07-07 2019-07-07
US62/871,177 2019-07-07
PCT/CN2020/090665 WO2021004153A1 (zh) 2019-07-07 2020-05-15 图像预测方法、编码器、解码器以及存储介质

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JP2025049857A Division JP2025094206A (ja) 2019-07-07 2025-03-25 画像予測方法、エンコーダ、デコーダ及び記憶媒体
JP2025049936A Division JP2025094210A (ja) 2019-07-07 2025-03-25 画像予測方法、エンコーダ、デコーダ及び記憶媒体
JP2025049891A Division JP2025094208A (ja) 2019-07-07 2025-03-25 画像予測方法、エンコーダ、デコーダ及び記憶媒体

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Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020256466A1 (ko) * 2019-06-19 2020-12-24 한국전자통신연구원 화면 내 예측 모드 및 엔트로피 부호화/복호화 방법 및 장치
CN114600451B (zh) * 2019-08-22 2025-04-25 Lg电子株式会社 基于矩阵帧内预测的图像编码设备和方法
CN120166221A (zh) * 2019-08-22 2025-06-17 Lg 电子株式会社 基于矩阵的帧内预测设备和方法
EP4042681A1 (en) * 2019-10-11 2022-08-17 InterDigital VC Holdings France, SAS Deep intra predictor generating side information
CN118985131A (zh) * 2022-04-08 2024-11-19 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
JP2025511315A (ja) * 2022-04-08 2025-04-15 オッポ広東移動通信有限公司 デコーディング方法、エンコーディング方法、デコーダー及びエンコーダー
CN116320438A (zh) * 2022-09-16 2023-06-23 浙江大华技术股份有限公司 帧内预测模式的确定方法、智能编码方法及智能解码方法
CN120202662A (zh) * 2022-10-12 2025-06-24 Lg 电子株式会社 基于帧内预测的图像编码/解码方法、传输比特流的方法以及存储比特流的记录介质
EP4714118A1 (en) * 2023-05-15 2026-03-25 MediaTek Inc. Methods and apparatus for selecting transform type in a video coding system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020053394A1 (en) * 2018-09-13 2020-03-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Affine linear weighted intra predictions

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103096051B (zh) * 2011-11-04 2017-04-12 华为技术有限公司 一种图像块信号分量采样点的帧内解码方法和装置
CN103369315B (zh) * 2012-04-06 2016-08-24 华为技术有限公司 色度分量的帧内预测模式的编码、解码方法、设备及系统
WO2015056955A1 (ko) * 2013-10-14 2015-04-23 삼성전자 주식회사 다시점 비디오 부호화 방법 및 장치, 다시점 비디오 복호화 방법 및 장치
WO2016200984A1 (en) * 2015-06-08 2016-12-15 Vid Scale, Inc. Intra block copy mode for screen content coding
WO2018080135A1 (ko) * 2016-10-28 2018-05-03 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
US20190089952A1 (en) * 2017-09-19 2019-03-21 Futurewei Technologies, Inc. Bidirectional Weighted Intra Prediction
WO2019098464A1 (ko) * 2017-11-14 2019-05-23 삼성전자 주식회사 부호화 방법 및 그 장치, 복호화 방법 및 그 장치
EP4340356A3 (en) * 2018-09-21 2024-05-29 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Image signal encoding/decoding method and apparatus therefor
WO2020156516A1 (en) * 2019-01-31 2020-08-06 Beijing Bytedance Network Technology Co., Ltd. Context for coding affine mode adaptive motion vector resolution
US11616966B2 (en) * 2019-04-03 2023-03-28 Mediatek Inc. Interaction between core transform and secondary transform
US11134257B2 (en) * 2019-04-04 2021-09-28 Tencent America LLC Simplified signaling method for affine linear weighted intra prediction mode
MX2021012229A (es) * 2019-04-12 2021-11-03 Beijing Bytedance Network Tech Co Ltd Determinacion de modo de codificacion de croma basada en intraprediccion basada en matriz.
HUE064847T2 (hu) * 2019-04-16 2024-04-28 Lg Electronics Inc Transzformáció képkódolásnál végzett mátrix alapú intra-predikcióhoz
US11381808B2 (en) * 2019-04-25 2022-07-05 Hfi Innovation Inc. Method and apparatus of matrix based intra prediction in image and video processing
US11363284B2 (en) * 2019-05-09 2022-06-14 Qualcomm Incorporated Upsampling in affine linear weighted intra prediction
US11134275B2 (en) * 2019-06-04 2021-09-28 Tencent America LLC Method and apparatus for performing primary transform based on filtering of blocks
US11252410B2 (en) * 2019-06-11 2022-02-15 Tencent America LLC Method and apparatus for video coding
US20200404324A1 (en) * 2019-06-19 2020-12-24 Qualcomm Incorporated Signaling for intra coding of video data
US11197025B2 (en) * 2019-06-21 2021-12-07 Qualcomm Incorporated Signaling of matrix intra prediction parameters in video coding
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
EP3991406A1 (en) * 2019-06-25 2022-05-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Coding using matrix based intra-prediction and secondary transforms
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
TWI848377B (zh) * 2019-09-24 2024-07-11 弗勞恩霍夫爾協會 基於矩陣之內部預測之高效實施技術
CN115280774B (zh) * 2019-12-02 2025-08-19 抖音视界有限公司 视觉媒体处理的方法、装置及非暂时性计算机可读存储介质
US11563957B2 (en) * 2021-01-13 2023-01-24 Lemon Inc. Signaling for decoder-side intra mode derivation
US11290736B1 (en) * 2021-01-13 2022-03-29 Lemon Inc. Techniques for decoding or coding images based on multiple intra-prediction modes

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020053394A1 (en) * 2018-09-13 2020-03-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Affine linear weighted intra predictions

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
BENJAMIN BROSS, ET AL.: ""Versatile Video Coding (Draft 5)"", DOCUMENT: JVET-N1001-V8, [ONLINE], vol. JVET-N1001 (version 8), JPN6024011834, 11 June 2019 (2019-06-11), pages 9 - 32, ISSN: 0005496898 *
JANGWON CHOI, ET AL.: ""Non-CE3: MIP mode reduction"", DOCUMENT: JVET-O0397, [ONLINE], vol. JVET-O0397 (version 1), JPN6024011835, 26 June 2019 (2019-06-26), pages 1 - 9, ISSN: 0005496899 *
JONATHAN PFAFF, ET AL.: ""CE3: Affine linear weighted intra prediction (CE3-4.1, CE3-4.2)"", DOCUMENT: JVET-N0217, [ONLINE], vol. JVET-N0217 (version 3), JPN6022045285, 25 March 2019 (2019-03-25), pages 1 - 17, ISSN: 0005293166 *
鈴木 輝彦: "「フレーム内符号化とフレーム間予測符号化」", 映像情報メディア学会誌, vol. 67, no. 7, JPN6024011833, 1 July 2013 (2013-07-01), JP, pages 537 - 540, ISSN: 0005293167 *

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US12126836B2 (en) 2024-10-22
JP2025094210A (ja) 2025-06-24
CN114786019A (zh) 2022-07-22
US20220191548A1 (en) 2022-06-16
EP3975565A4 (en) 2022-07-27
JP2025094206A (ja) 2025-06-24
CN119402667A (zh) 2025-02-07
US20240430487A1 (en) 2024-12-26
CN119629366A (zh) 2025-03-14
CN121691719A (zh) 2026-03-17
EP3975565A1 (en) 2022-03-30
US20260006252A1 (en) 2026-01-01
US20260006254A1 (en) 2026-01-01
CN114786019B (zh) 2024-10-18
US20260006253A1 (en) 2026-01-01
CN114467306A (zh) 2022-05-10
KR20220029589A (ko) 2022-03-08
CN121691720A (zh) 2026-03-17
WO2021004153A1 (zh) 2021-01-14
CN121728265A (zh) 2026-03-24
JP2025106816A (ja) 2025-07-16
CN121691718A (zh) 2026-03-17
JP2025094208A (ja) 2025-06-24
CN120956924A (zh) 2025-11-14
US20260082082A1 (en) 2026-03-19
CN119402667B (zh) 2026-02-03

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