CL2021000123A1 - Codificador de vídeo, decodificador de vídeo y métodos de codificación y de decodificación correspondientes - Google Patents
Codificador de vídeo, decodificador de vídeo y métodos de codificación y de decodificación correspondientesInfo
- Publication number
- CL2021000123A1 CL2021000123A1 CL2021000123A CL2021000123A CL2021000123A1 CL 2021000123 A1 CL2021000123 A1 CL 2021000123A1 CL 2021000123 A CL2021000123 A CL 2021000123A CL 2021000123 A CL2021000123 A CL 2021000123A CL 2021000123 A1 CL2021000123 A1 CL 2021000123A1
- Authority
- CL
- Chile
- Prior art keywords
- luma
- value
- reconstructed
- reconstructed neighbor
- luma samples
- Prior art date
Links
- 241000023320 Luma <angiosperm> Species 0.000 abstract 15
- OSWPMRLSEDHDFF-UHFFFAOYSA-N methyl salicylate Chemical compound COC(=O)C1=CC=CC=C1O OSWPMRLSEDHDFF-UHFFFAOYSA-N 0.000 abstract 15
Classifications
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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
- H04N19/11—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
- H04N19/50—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
- H04N19/10—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
- H04N19/124—Quantisation
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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
- H04N19/13—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
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
-
- 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
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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
- H04N19/186—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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
-
- 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
- H04N19/96—Tree coding, e.g. quad-tree coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Closed-Circuit Television Systems (AREA)
- Analogue/Digital Conversion (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Color Television Systems (AREA)
Abstract
Se describen técnicas del modo de predicción de modelo lineal. Se determinan dos pares de valor de luma y valor de croma de acuerdo con N muestras de luma vecinas reconstruidas y N muestras de croma vecinas reconstruidas que corresponden a N muestras de luma vecinas reconstruidas y M muestras de luma vecinas reconstruidas que corresponden a M muestras de luma vecinas reconstruidas. El valor mínimo de N muestras de luma vecinas reconstruidas no es menor que el valor de luma de las N muestras de luma vecinas reconstruidas restantes del conjunto de muestras de luma vecinas reconstruidas. El valor máximo de las M muestras de luma vecinas reconstruidas no es mayor que el valor de luma de las muestras de luma vecinas reconstruidas restantes del conjunto de muestras de luma vecinas reconstruidas. M, N son números enteros positivos y son mayores que 1. Uno o más parámetros de modelo lineal se determinan con base en los dos pares de valor de luma y valor de croma, y un bloque predictivo se determina con base en el uno o más parámetros de modelo lineal.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862698924P | 2018-07-16 | 2018-07-16 | |
| US201862698991P | 2018-07-17 | 2018-07-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CL2021000123A1 true CL2021000123A1 (es) | 2021-05-28 |
Family
ID=69164978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CL2021000123A CL2021000123A1 (es) | 2018-07-16 | 2021-01-15 | Codificador de vídeo, decodificador de vídeo y métodos de codificación y de decodificación correspondientes |
Country Status (26)
| Country | Link |
|---|---|
| US (3) | US11336907B2 (es) |
| EP (3) | EP4462782A3 (es) |
| JP (4) | JP7461925B2 (es) |
| KR (4) | KR20230008896A (es) |
| CN (2) | CN115941942B (es) |
| AU (3) | AU2019303720B2 (es) |
| BR (1) | BR112021000694A2 (es) |
| CA (2) | CA3213840A1 (es) |
| CL (1) | CL2021000123A1 (es) |
| DK (2) | DK3815377T3 (es) |
| ES (2) | ES2989520T3 (es) |
| FI (2) | FI4164225T3 (es) |
| HR (1) | HRP20230288T1 (es) |
| HU (2) | HUE067054T2 (es) |
| IL (1) | IL280228B2 (es) |
| LT (1) | LT3815377T (es) |
| MX (3) | MX2021000616A (es) |
| NZ (1) | NZ772305A (es) |
| PH (1) | PH12021550112A1 (es) |
| PL (2) | PL3815377T3 (es) |
| PT (2) | PT4164225T (es) |
| SG (1) | SG11202100412SA (es) |
| SI (1) | SI3815377T1 (es) |
| UA (1) | UA128557C2 (es) |
| WO (1) | WO2020015648A1 (es) |
| ZA (1) | ZA202209225B (es) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR112021000694A2 (pt) | 2018-07-16 | 2021-04-13 | Huawei Technologies Co., Ltd. | Codificador de vídeo, decodificador de vídeo, e métodos de codificação e decodificação correspondentes |
| KR20200028856A (ko) * | 2018-09-07 | 2020-03-17 | 김기백 | 인트라 예측을 이용한 영상 부호화/복호화 방법 및 장치 |
| KR20250035621A (ko) | 2018-10-07 | 2025-03-12 | 삼성전자주식회사 | 복수개의 참조 라인을 위한 mpm 구성 방법을 이용한 비디오 신호 처리 방법 및 장치 |
| CN116170586B (zh) * | 2018-10-08 | 2024-03-26 | 北京达佳互联信息技术有限公司 | 对视频信号进行解码或编码的方法、计算装置和存储介质 |
| JP7518065B2 (ja) | 2018-10-12 | 2024-07-17 | オッポ広東移動通信有限公司 | ビデオ画像成分予測方法および装置、コンピュータ記憶媒体 |
| CN116962720A (zh) * | 2018-10-12 | 2023-10-27 | 三星电子株式会社 | 通过使用交叉分量线性模型来处理视频信号的方法和设备 |
| EP3861738A4 (en) | 2018-11-06 | 2022-01-26 | Beijing Bytedance Network Technology Co., Ltd. | POSITION-BASED INTRA PREDICTION |
| CN113170122B (zh) | 2018-12-01 | 2023-06-27 | 北京字节跳动网络技术有限公司 | 帧内预测的参数推导 |
| CN113170168B (zh) | 2018-12-07 | 2023-12-08 | 北京字节跳动网络技术有限公司 | 基于上下文的帧内预测 |
| TWI754188B (zh) | 2018-12-07 | 2022-02-01 | 弗勞恩霍夫爾協會 | 用於增加計算交叉分量線性模型參數的穩健性的編碼器、解碼器及方法 |
| KR102811925B1 (ko) | 2019-01-02 | 2025-05-23 | 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 | 예측 디코딩 방법, 장치 및 컴퓨터 저장 매체 |
| CN121728244A (zh) * | 2019-01-16 | 2026-03-24 | Oppo广东移动通信有限公司 | 信息处理方法及装置、设备、存储介质 |
| PH12021551868A1 (en) | 2019-02-24 | 2022-05-23 | Beijing Bytedance Network Tech Co Ltd | Parameter derivation for intra prediction |
| CN113767631B (zh) | 2019-03-24 | 2023-12-15 | 北京字节跳动网络技术有限公司 | 用于帧内预测的参数推导中的条件 |
| CN113840144B (zh) * | 2019-03-25 | 2023-06-02 | Oppo广东移动通信有限公司 | 图像分量的预测方法、编码器、解码器及计算机存储介质 |
| CN113497937B (zh) * | 2020-03-20 | 2023-09-05 | Oppo广东移动通信有限公司 | 图像编码方法、图像解码方法及相关装置 |
| CN113747176A (zh) * | 2020-05-29 | 2021-12-03 | Oppo广东移动通信有限公司 | 图像编码方法、图像解码方法及相关装置 |
| JP2024513993A (ja) * | 2021-04-16 | 2024-03-27 | ベイジン ダジア インターネット インフォメーション テクノロジー カンパニー リミテッド | 方法、電子装置、非一時的コンピュータ可読記憶媒体、およびコンピュータプログラム |
| US20250024072A1 (en) * | 2021-11-01 | 2025-01-16 | Mediatek Singapore Pte. Ltd. | Method and Apparatus for Prediction Based on Cross Component Linear Model in Video Coding System |
| WO2024169932A1 (en) * | 2023-02-16 | 2024-08-22 | Douyin Vision Co., Ltd. | Method, apparatus, and medium for video processing |
| CN118707712B (zh) * | 2024-07-08 | 2025-02-14 | 深圳市鹏鼎智控科技有限公司 | 一种振镜控制系统 |
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| GB2567249A (en) * | 2017-10-09 | 2019-04-10 | Canon Kk | New sample sets and new down-sampling schemes for linear component sample prediction |
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| EP4447448A3 (en) * | 2018-07-02 | 2025-01-01 | TCL King Electrical Appliances (Huizhou) Co. Ltd. | Cclm-based intra-prediction method and device |
| EP3815370B1 (en) * | 2018-07-12 | 2024-07-31 | Huawei Technologies Co., Ltd. | Intra-prediction using a cross-component linear model in video coding |
| BR112021000694A2 (pt) | 2018-07-16 | 2021-04-13 | Huawei Technologies Co., Ltd. | Codificador de vídeo, decodificador de vídeo, e métodos de codificação e decodificação correspondentes |
| CN116170586B (zh) * | 2018-10-08 | 2024-03-26 | 北京达佳互联信息技术有限公司 | 对视频信号进行解码或编码的方法、计算装置和存储介质 |
| EP3861738A4 (en) * | 2018-11-06 | 2022-01-26 | Beijing Bytedance Network Technology Co., Ltd. | POSITION-BASED INTRA PREDICTION |
| CN113170168B (zh) * | 2018-12-07 | 2023-12-08 | 北京字节跳动网络技术有限公司 | 基于上下文的帧内预测 |
| PH12021551868A1 (en) * | 2019-02-24 | 2022-05-23 | Beijing Bytedance Network Tech Co Ltd | Parameter derivation for intra prediction |
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2019
- 2019-07-16 BR BR112021000694-0A patent/BR112021000694A2/pt unknown
- 2019-07-16 NZ NZ772305A patent/NZ772305A/en unknown
- 2019-07-16 KR KR1020227046193A patent/KR20230008896A/ko not_active Ceased
- 2019-07-16 PT PT222110181T patent/PT4164225T/pt unknown
- 2019-07-16 PT PT198376246T patent/PT3815377T/pt unknown
- 2019-07-16 FI FIEP22211018.1T patent/FI4164225T3/fi active
- 2019-07-16 EP EP24179643.2A patent/EP4462782A3/en active Pending
- 2019-07-16 HU HUE22211018A patent/HUE067054T2/hu unknown
- 2019-07-16 IL IL280228A patent/IL280228B2/en unknown
- 2019-07-16 CA CA3213840A patent/CA3213840A1/en active Pending
- 2019-07-16 MX MX2021000616A patent/MX2021000616A/es unknown
- 2019-07-16 ES ES22211018T patent/ES2989520T3/es active Active
- 2019-07-16 SI SI201930499T patent/SI3815377T1/sl unknown
- 2019-07-16 AU AU2019303720A patent/AU2019303720B2/en active Active
- 2019-07-16 PL PL19837624.6T patent/PL3815377T3/pl unknown
- 2019-07-16 KR KR1020247034064A patent/KR102783114B1/ko active Active
- 2019-07-16 PL PL22211018.1T patent/PL4164225T3/pl unknown
- 2019-07-16 EP EP19837624.6A patent/EP3815377B1/en active Active
- 2019-07-16 CN CN202211027871.3A patent/CN115941942B/zh active Active
- 2019-07-16 KR KR1020257008201A patent/KR20250043571A/ko active Pending
- 2019-07-16 HU HUE19837624A patent/HUE061422T2/hu unknown
- 2019-07-16 EP EP22211018.1A patent/EP4164225B1/en active Active
- 2019-07-16 DK DK19837624.6T patent/DK3815377T3/da active
- 2019-07-16 SG SG11202100412SA patent/SG11202100412SA/en unknown
- 2019-07-16 FI FIEP19837624.6T patent/FI3815377T3/fi active
- 2019-07-16 JP JP2021502477A patent/JP7461925B2/ja active Active
- 2019-07-16 WO PCT/CN2019/096191 patent/WO2020015648A1/en not_active Ceased
- 2019-07-16 DK DK22211018.1T patent/DK4164225T3/da active
- 2019-07-16 CN CN201980047780.6A patent/CN112425173A/zh active Pending
- 2019-07-16 CA CA3106468A patent/CA3106468C/en active Active
- 2019-07-16 UA UAA202100627A patent/UA128557C2/uk unknown
- 2019-07-16 KR KR1020217004298A patent/KR102483942B1/ko active Active
- 2019-07-16 HR HRP20230288TT patent/HRP20230288T1/hr unknown
- 2019-07-16 LT LTEPPCT/CN2019/096191T patent/LT3815377T/lt unknown
- 2019-07-16 ES ES19837624T patent/ES2938068T3/es active Active
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2021
- 2021-01-15 CL CL2021000123A patent/CL2021000123A1/es unknown
- 2021-01-15 US US17/149,726 patent/US11336907B2/en active Active
- 2021-01-15 PH PH12021550112A patent/PH12021550112A1/en unknown
- 2021-01-15 MX MX2024011961A patent/MX2024011961A/es unknown
- 2021-01-15 MX MX2024011960A patent/MX2024011960A/es unknown
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2022
- 2022-04-26 US US17/729,176 patent/US12192488B2/en active Active
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2023
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2025
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