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 PDFInfo
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- 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
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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
- H04N19/134—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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- 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
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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
- H04N19/169—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
- H04N19/184—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 bits, e.g. of the compressed video stream
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- H—ELECTRICITY
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- 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
- H04N19/186—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 a colour or a chrominance component
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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
- H04N19/70—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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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| JP2025049967A Division 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 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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| JP2022539768A true JP2022539768A (ja) | 2022-09-13 |
| JP2022539768A5 JP2022539768A5 (https=) | 2023-05-02 |
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| JP2025049857A Pending 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 Pending 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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| JP2025049891A Pending 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 Pending 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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| 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)
| 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)
| 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 |
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Patent Citations (1)
| 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)
| 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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| Publication number | Publication date |
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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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