BR112022013083A2 - Método e aparelho de codificação/decodificação de imagem para executar predição com base em tipo de modo de predição reconfigurado de nó folha e método de transmissão de fluxo de bits - Google Patents
Método e aparelho de codificação/decodificação de imagem para executar predição com base em tipo de modo de predição reconfigurado de nó folha e método de transmissão de fluxo de bitsInfo
- Publication number
- BR112022013083A2 BR112022013083A2 BR112022013083A BR112022013083A BR112022013083A2 BR 112022013083 A2 BR112022013083 A2 BR 112022013083A2 BR 112022013083 A BR112022013083 A BR 112022013083A BR 112022013083 A BR112022013083 A BR 112022013083A BR 112022013083 A2 BR112022013083 A2 BR 112022013083A2
- Authority
- BR
- Brazil
- Prior art keywords
- prediction mode
- mode type
- current block
- leaf node
- image encoding
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 6
- 230000005540 biological transmission Effects 0.000 title abstract 2
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
- H04N19/90—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
-
- 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
- H04N19/157—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
-
- 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
-
- 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
- H04N19/50—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)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962956093P | 2019-12-31 | 2019-12-31 | |
| US202062959943P | 2020-01-11 | 2020-01-11 | |
| US202062980442P | 2020-02-24 | 2020-02-24 | |
| PCT/KR2020/019287 WO2021137577A1 (ko) | 2019-12-31 | 2020-12-31 | 리프 노드의 재설정된 예측 모드 타입에 기반하여 예측을 수행하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112022013083A2 true BR112022013083A2 (pt) | 2022-09-06 |
Family
ID=76686671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112022013083A BR112022013083A2 (pt) | 2019-12-31 | 2020-12-31 | Método e aparelho de codificação/decodificação de imagem para executar predição com base em tipo de modo de predição reconfigurado de nó folha e método de transmissão de fluxo de bits |
Country Status (18)
| Country | Link |
|---|---|
| US (2) | US12113975B2 (https=) |
| EP (2) | EP4087244B1 (https=) |
| JP (2) | JP7444998B2 (https=) |
| KR (1) | KR20220115971A (https=) |
| CN (5) | CN119946275A (https=) |
| AU (3) | AU2020416341B2 (https=) |
| BR (1) | BR112022013083A2 (https=) |
| CA (2) | CA3166540A1 (https=) |
| ES (1) | ES3057180T3 (https=) |
| FI (1) | FI4087244T3 (https=) |
| HR (1) | HRP20251583T1 (https=) |
| LT (1) | LT4087244T (https=) |
| MX (5) | MX2022008084A (https=) |
| PL (1) | PL4087244T3 (https=) |
| PT (1) | PT4087244T (https=) |
| RS (1) | RS67538B1 (https=) |
| SI (1) | SI4087244T1 (https=) |
| WO (1) | WO2021137577A1 (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4087244B1 (en) * | 2019-12-31 | 2025-11-19 | Lg Electronics Inc. | Image encoding/decoding method and apparatus for performing prediction on basis of reconfigured prediction mode type of leaf node, and bitstream transmission method |
| US11930208B2 (en) * | 2020-01-10 | 2024-03-12 | Tencent America LLC | Method and apparatus for signaling skip mode flag |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010131903A2 (en) * | 2009-05-12 | 2010-11-18 | Lg Electronics Inc. | Method and apparatus for processing a video signal |
| LT2945382T (lt) * | 2010-04-23 | 2017-09-11 | M&K Holdings Inc. | Aparatas, skirtas vaizdo kodavimui |
| KR102257335B1 (ko) * | 2010-11-25 | 2021-05-27 | 엘지전자 주식회사 | 영상 정보의 시그널링 방법 및 이를 이용한 영상 정보의 복호화 방법 |
| KR101533720B1 (ko) * | 2011-10-17 | 2015-07-03 | 주식회사 케이티 | 영상 부호화/복호화 방법 및 그 장치 |
| CN115134594B (zh) * | 2015-06-05 | 2024-07-23 | 杜比实验室特许公司 | 用于执行帧间预测的图像编解码方法、比特流存储方法 |
| WO2017222237A1 (ko) * | 2016-06-22 | 2017-12-28 | 한국전자통신연구원 | 화면 내 예측 방법 및 장치 |
| US11039130B2 (en) | 2016-10-28 | 2021-06-15 | Electronics And Telecommunications Research Institute | Video encoding/decoding method and apparatus, and recording medium in which bit stream is stored |
| JP2020031252A (ja) * | 2016-12-22 | 2020-02-27 | シャープ株式会社 | 画像復号装置及び画像符号化装置 |
| WO2019098464A1 (ko) | 2017-11-14 | 2019-05-23 | 삼성전자 주식회사 | 부호화 방법 및 그 장치, 복호화 방법 및 그 장치 |
| KR20190107581A (ko) * | 2018-03-12 | 2019-09-20 | 한국전자통신연구원 | 인트라 예측 모드의 유도를 위한 방법 및 장치 |
| US10771781B2 (en) | 2018-03-12 | 2020-09-08 | Electronics And Telecommunications Research Institute | Method and apparatus for deriving intra prediction mode |
| BR122021012456B1 (pt) * | 2019-01-15 | 2022-03-22 | Lg Electronics Inc | Método de decodificação de uma imagem realizado por um aparelho de decodificação, método de codificação de uma imagem realizado por um aparelho de codificação, aparelho de decodificação para decodificação de imagem, aparelho de codificação para codificação de imagem e mídia de armazenamento digital legível por computador não transitória |
| CN114208174B (zh) * | 2019-07-29 | 2023-11-28 | 北京字节跳动网络技术有限公司 | 预测过程中的调色板模式编解码 |
| CN117714683A (zh) * | 2019-09-02 | 2024-03-15 | 北京字节跳动网络技术有限公司 | 基于色彩格式的视频区分割 |
| EP4026322A4 (en) * | 2019-09-07 | 2024-01-03 | Beijing Dajia Internet Information Technology Co., Ltd. | PREDICTION MODE SIGNALING IN VIDEO CODING |
| US20210092405A1 (en) * | 2019-09-19 | 2021-03-25 | Qualcomm Incorporated | Matrix combination for matrix-weighted intra prediction in video coding |
| KR102649584B1 (ko) * | 2019-09-21 | 2024-03-21 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 크로마 인트라 모드에 기초한 크기 제한 |
| WO2021133450A1 (en) * | 2019-12-23 | 2021-07-01 | Tencent America LLC | Method and apparatus for video coding |
| EP4087244B1 (en) * | 2019-12-31 | 2025-11-19 | Lg Electronics Inc. | Image encoding/decoding method and apparatus for performing prediction on basis of reconfigured prediction mode type of leaf node, and bitstream transmission method |
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2020
- 2020-12-31 EP EP20910040.3A patent/EP4087244B1/en active Active
- 2020-12-31 RS RS20251282A patent/RS67538B1/sr unknown
- 2020-12-31 EP EP25187455.8A patent/EP4604553A3/en active Pending
- 2020-12-31 CA CA3166540A patent/CA3166540A1/en active Pending
- 2020-12-31 HR HRP20251583TT patent/HRP20251583T1/hr unknown
- 2020-12-31 JP JP2022540750A patent/JP7444998B2/ja active Active
- 2020-12-31 SI SI202030700T patent/SI4087244T1/sl unknown
- 2020-12-31 CN CN202510092433.2A patent/CN119946275A/zh active Pending
- 2020-12-31 AU AU2020416341A patent/AU2020416341B2/en active Active
- 2020-12-31 CN CN202510092436.6A patent/CN119946277A/zh active Pending
- 2020-12-31 ES ES20910040T patent/ES3057180T3/es active Active
- 2020-12-31 FI FIEP20910040.3T patent/FI4087244T3/fi active
- 2020-12-31 US US17/789,939 patent/US12113975B2/en active Active
- 2020-12-31 PT PT209100403T patent/PT4087244T/pt unknown
- 2020-12-31 MX MX2022008084A patent/MX2022008084A/es unknown
- 2020-12-31 BR BR112022013083A patent/BR112022013083A2/pt unknown
- 2020-12-31 PL PL20910040.3T patent/PL4087244T3/pl unknown
- 2020-12-31 CA CA3296461A patent/CA3296461A1/en active Pending
- 2020-12-31 LT LTEPPCT/KR2020/019287T patent/LT4087244T/lt unknown
- 2020-12-31 KR KR1020227022064A patent/KR20220115971A/ko not_active Ceased
- 2020-12-31 CN CN202510092438.5A patent/CN119946278A/zh active Pending
- 2020-12-31 CN CN202510092435.1A patent/CN119946276A/zh active Pending
- 2020-12-31 WO PCT/KR2020/019287 patent/WO2021137577A1/ko not_active Ceased
- 2020-12-31 CN CN202080097605.0A patent/CN115176465B/zh active Active
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2022
- 2022-06-28 MX MX2025012918A patent/MX2025012918A/es unknown
- 2022-06-28 MX MX2025012916A patent/MX2025012916A/es unknown
- 2022-06-28 MX MX2025012915A patent/MX2025012915A/es unknown
- 2022-06-28 MX MX2025012917A patent/MX2025012917A/es unknown
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2024
- 2024-02-22 JP JP2024025563A patent/JP7841007B2/ja active Active
- 2024-03-06 AU AU2024201463A patent/AU2024201463B2/en active Active
- 2024-09-05 US US18/825,219 patent/US20240430422A1/en active Pending
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2026
- 2026-02-20 AU AU2026201282A patent/AU2026201282A1/en active Pending
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