BR112021015269A2 - Codificador, decodificador e métodos correspondentes de intrapredição - Google Patents
Codificador, decodificador e métodos correspondentes de intraprediçãoInfo
- Publication number
- BR112021015269A2 BR112021015269A2 BR112021015269A BR112021015269A BR112021015269A2 BR 112021015269 A2 BR112021015269 A2 BR 112021015269A2 BR 112021015269 A BR112021015269 A BR 112021015269A BR 112021015269 A BR112021015269 A BR 112021015269A BR 112021015269 A2 BR112021015269 A2 BR 112021015269A2
- Authority
- BR
- Brazil
- Prior art keywords
- intraprediction
- current block
- value
- decoder
- encoder
- Prior art date
Links
- 239000011159 matrix material Substances 0.000 abstract 1
Classifications
-
- 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
- H04N19/134—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
- H04N19/10—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
-
- 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
- H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
- H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
-
- 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
- H04N19/70—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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
codificador, decodificador e métodos correspondentes de intrapredição. a presente invenção refere-se a métodos e dispositivos para intrapredição, e meios de gravação (armazenamento), e produto de computador. um método de codificação implementado por um dispositivo de decodificação, compreendendo: definir um valor de modo de intrapredição de candidato de um bloco atual como um valor padrão, em que o bloco atual é previsto usando um modo de intrapredição, mas não um modo de intrapredição com base em matriz, mip, e um bloco vizinho adjacente ao bloco atual é usado para derivar o valor do modo de intrapredição de candidato do bloco atual e é previsto usando modo de mip; obter um valor do modo de intrapredição do bloco atual de acordo com o valor padrão.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962839670P | 2019-04-27 | 2019-04-27 | |
| PCT/CN2020/087226 WO2020221203A1 (en) | 2019-04-27 | 2020-04-27 | An encoder, a decoder and corresponding methods of intra prediction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112021015269A2 true BR112021015269A2 (pt) | 2021-11-09 |
Family
ID=73029433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112021015269A BR112021015269A2 (pt) | 2019-04-27 | 2020-04-27 | Codificador, decodificador e métodos correspondentes de intrapredição |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US12088799B2 (pt) |
| EP (2) | EP4340367A3 (pt) |
| JP (3) | JP7271683B2 (pt) |
| KR (1) | KR20210113390A (pt) |
| CN (1) | CN113748677A (pt) |
| AU (1) | AU2020265960A1 (pt) |
| BR (1) | BR112021015269A2 (pt) |
| CA (1) | CA3128919A1 (pt) |
| MX (1) | MX2021011350A (pt) |
| WO (1) | WO2020221203A1 (pt) |
| ZA (1) | ZA202106942B (pt) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SG11202110939TA (en) | 2019-04-12 | 2021-11-29 | Beijing Bytedance Network Technology Co Ltd | Most probable mode list construction for matrix-based intra prediction |
| CN117499656A (zh) * | 2019-04-16 | 2024-02-02 | 北京字节跳动网络技术有限公司 | 帧内编解码模式下的矩阵推导 |
| JP2022531147A (ja) * | 2019-05-01 | 2022-07-06 | 北京字節跳動網絡技術有限公司 | フィルタリングを用いた行列ベースイントラ予測 |
| WO2020221372A1 (en) * | 2019-05-01 | 2020-11-05 | Beijing Bytedance Network Technology Co., Ltd. | Context coding for matrix-based intra prediction |
| US20230057982A1 (en) * | 2019-05-15 | 2023-02-23 | Beijing Bytedance Network Technology Co., Ltd. | Matrix-based intra prediction using filtering |
| JP2022533190A (ja) | 2019-05-22 | 2022-07-21 | 北京字節跳動網絡技術有限公司 | アップサンプリングを使用した行列ベースのイントラ予測 |
| EP3959876A4 (en) | 2019-05-31 | 2022-06-29 | Beijing Bytedance Network Technology Co., Ltd. | Restricted upsampling process in matrix-based intra prediction |
| MX2021014724A (es) * | 2019-06-03 | 2022-01-18 | Lg Electronics Inc | Dispositivo y metodo de intra-prediccion en base a matriz. |
| CN112055200A (zh) * | 2019-06-05 | 2020-12-08 | 华为技术有限公司 | Mpm列表构建方法、色度块的帧内预测模式获取方法及装置 |
| EP3963885A4 (en) * | 2019-06-05 | 2022-12-14 | Beijing Bytedance Network Technology Co., Ltd. | DETERMINING CONTEXT FOR MATRIX-BASED INTRAPREDICTION |
| KR20210158387A (ko) * | 2019-06-13 | 2021-12-30 | 엘지전자 주식회사 | 단순화된 mpm 리스트 생성 방법을 활용하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법 |
| KR20200144480A (ko) * | 2019-06-18 | 2020-12-29 | 한국전자통신연구원 | 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
| US11589065B2 (en) | 2019-06-24 | 2023-02-21 | Hyundai Motor Company | Method and apparatus for intra-prediction coding of video data |
| EP4042689A4 (en) | 2019-10-28 | 2023-06-07 | Beijing Bytedance Network Technology Co., Ltd. | SIGNALING AND SYNTAX ANALYSIS BASED ON A COLOR COMPONENT |
| CN114915782A (zh) * | 2021-02-10 | 2022-08-16 | 华为技术有限公司 | 一种编码方法、解码方法及设备 |
| WO2023200206A1 (ko) * | 2022-04-11 | 2023-10-19 | 현대자동차주식회사 | 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2046053A1 (en) * | 2007-10-05 | 2009-04-08 | Thomson Licensing | Method and device for adaptively quantizing parameters for image coding |
| KR20110015356A (ko) * | 2009-08-07 | 2011-02-15 | 한국전자통신연구원 | 차분 신호의 특성에 기반한 적응적인 변환 부호화/양자화 영역을 이용한 동영상 부호화/복호화 장치 및 그 방법 |
| US9661338B2 (en) | 2010-07-09 | 2017-05-23 | Qualcomm Incorporated | Coding syntax elements for adaptive scans of transform coefficients for video coding |
| WO2012172779A1 (en) * | 2011-06-13 | 2012-12-20 | Panasonic Corporation | Method and apparatus for encoding and decoding video using intra prediction mode dependent adaptive quantization matrix |
| CN103220508B (zh) | 2012-01-20 | 2014-06-11 | 华为技术有限公司 | 编解码方法和装置 |
| US10200700B2 (en) | 2014-06-20 | 2019-02-05 | Qualcomm Incorporated | Cross-component prediction in video coding |
| PL3477951T3 (pl) * | 2016-06-24 | 2022-05-02 | Kt Corporation | Adaptacyjne filtrowanie pikseli referencyjnych dla predykcji wewnątrzobrazowej z wykorzystaniem oddalonych linii pikseli |
| US11025903B2 (en) * | 2017-01-13 | 2021-06-01 | Qualcomm Incorporated | Coding video data using derived chroma mode |
| EP3618446A4 (en) | 2017-06-22 | 2020-05-13 | Huawei Technologies Co., Ltd. | APPARATUS AND METHOD FOR IN-FRAME PREDICTION |
| US10757420B2 (en) * | 2017-06-23 | 2020-08-25 | Qualcomm Incorporated | Combination of inter-prediction and intra-prediction in video coding |
| GB2571567B (en) | 2018-03-01 | 2022-03-09 | Cmr Surgical Ltd | Electrosurgical network |
| CN113225559B (zh) | 2018-10-12 | 2023-05-16 | Oppo广东移动通信有限公司 | 视频信号的编码方法和解码方法及其装置 |
| US11134257B2 (en) * | 2019-04-04 | 2021-09-28 | Tencent America LLC | Simplified signaling method for affine linear weighted intra prediction mode |
| SG11202110939TA (en) * | 2019-04-12 | 2021-11-29 | Beijing Bytedance Network Technology Co Ltd | Most probable mode list construction for matrix-based intra prediction |
| CN113841407B (zh) * | 2019-04-16 | 2024-05-10 | Lg电子株式会社 | 基于帧内预测的图像编码中的变换 |
-
2020
- 2020-04-27 BR BR112021015269A patent/BR112021015269A2/pt unknown
- 2020-04-27 CN CN202080031669.0A patent/CN113748677A/zh active Pending
- 2020-04-27 AU AU2020265960A patent/AU2020265960A1/en active Pending
- 2020-04-27 EP EP24155472.4A patent/EP4340367A3/en active Pending
- 2020-04-27 MX MX2021011350A patent/MX2021011350A/es unknown
- 2020-04-27 EP EP20799001.1A patent/EP3903485A4/en not_active Ceased
- 2020-04-27 CA CA3128919A patent/CA3128919A1/en active Pending
- 2020-04-27 KR KR1020217026644A patent/KR20210113390A/ko not_active Application Discontinuation
- 2020-04-27 JP JP2021544153A patent/JP7271683B2/ja active Active
- 2020-04-27 WO PCT/CN2020/087226 patent/WO2020221203A1/en active Application Filing
-
2021
- 2021-07-07 US US17/369,024 patent/US12088799B2/en active Active
- 2021-09-17 ZA ZA2021/06942A patent/ZA202106942B/en unknown
-
2023
- 2023-04-26 JP JP2023072759A patent/JP7529349B2/ja active Active
- 2023-04-26 JP JP2023072758A patent/JP7529348B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113748677A (zh) | 2021-12-03 |
| MX2021011350A (es) | 2021-10-13 |
| JP2023103291A (ja) | 2023-07-26 |
| JP2023103292A (ja) | 2023-07-26 |
| EP4340367A2 (en) | 2024-03-20 |
| EP4340367A3 (en) | 2024-04-24 |
| ZA202106942B (en) | 2022-08-31 |
| JP2022529763A (ja) | 2022-06-24 |
| US20210344915A1 (en) | 2021-11-04 |
| EP3903485A1 (en) | 2021-11-03 |
| KR20210113390A (ko) | 2021-09-15 |
| US12088799B2 (en) | 2024-09-10 |
| AU2020265960A1 (en) | 2021-08-19 |
| WO2020221203A1 (en) | 2020-11-05 |
| CA3128919A1 (en) | 2020-11-05 |
| JP7271683B2 (ja) | 2023-05-11 |
| EP3903485A4 (en) | 2022-03-02 |
| JP7529349B2 (ja) | 2024-08-06 |
| JP7529348B2 (ja) | 2024-08-06 |
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Legal Events
| Date | Code | Title | Description |
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| B154 | Notification of filing of divisional application [chapter 15.50 patent gazette] |
Free format text: O PEDIDO FOI DIVIDIDO NO BR122023007960-4 PROTOCOLO 870230034958 EM 26/04/2023 16:51.O PEDIDO FOI DIVIDIDO NO BR122023007966-3 PROTOCOLO 870230034973 EM 26/04/2023 16:59.O PEDIDO FOI DIVIDIDO NO BR122023007979-5 PROTOCOLO 870230035009 EM 26/04/2023 17:42. |