BR112021016917A2 - Método de decodificação de vídeo, dispositivo de decodificação de vídeo, e método de codificação de vídeo - Google Patents
Método de decodificação de vídeo, dispositivo de decodificação de vídeo, e método de codificação de vídeoInfo
- Publication number
- BR112021016917A2 BR112021016917A2 BR112021016917A BR112021016917A BR112021016917A2 BR 112021016917 A2 BR112021016917 A2 BR 112021016917A2 BR 112021016917 A BR112021016917 A BR 112021016917A BR 112021016917 A BR112021016917 A BR 112021016917A BR 112021016917 A2 BR112021016917 A2 BR 112021016917A2
- Authority
- BR
- Brazil
- Prior art keywords
- component
- video decoding
- video
- residual
- sample
- Prior art date
Links
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
- H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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
- H04N19/134—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
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
-
- 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
-
- 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
- H04N19/102—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
- 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
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)
- Color Television Systems (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962811672P | 2019-02-28 | 2019-02-28 | |
| US201962840003P | 2019-04-29 | 2019-04-29 | |
| PCT/KR2020/002929 WO2020175970A1 (ko) | 2019-02-28 | 2020-02-28 | 크로마 성분을 예측하는 비디오 부호화 및 복호화 방법, 및 크로마 성분을 예측하는 비디오 부호화 및 복호화 장치 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112021016917A2 true BR112021016917A2 (pt) | 2021-11-03 |
Family
ID=72239725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112021016917A BR112021016917A2 (pt) | 2019-02-28 | 2020-02-28 | Método de decodificação de vídeo, dispositivo de decodificação de vídeo, e método de codificação de vídeo |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US12022060B2 (https=) |
| EP (1) | EP3934251A4 (https=) |
| JP (3) | JP7425080B2 (https=) |
| KR (3) | KR20250153323A (https=) |
| CN (5) | CN119277077A (https=) |
| BR (1) | BR112021016917A2 (https=) |
| WO (1) | WO2020175970A1 (https=) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113647106B (zh) * | 2019-03-05 | 2024-08-13 | 弗劳恩霍夫应用研究促进协会 | 混合视频编码工具的用例驱动上下文模型选择 |
| BR112021018089A2 (pt) * | 2019-03-12 | 2021-11-23 | Fraunhofer Ges Forschung | Transformada de intercomponente seletiva (ict) para conversão de imagem e vídeo em código |
| JP2020195013A (ja) * | 2019-05-24 | 2020-12-03 | シャープ株式会社 | 画像復号装置および画像符号化装置 |
| CN114223200B (zh) | 2019-08-14 | 2023-11-17 | 北京字节跳动网络技术有限公司 | 位置相关帧内预测样点滤波 |
| WO2021027928A1 (en) | 2019-08-14 | 2021-02-18 | Beijing Bytedance Network Technology Co., Ltd. | Weighting factors for prediction sample filtering in intra mode |
| EP3881530B1 (en) * | 2019-08-23 | 2024-12-18 | Tencent America LLC | Method and apparatus for video coding |
| US11722675B2 (en) * | 2020-12-29 | 2023-08-08 | Qualcomm Incorporated | Sign prediction for multiple color components in video coding |
| JP7853977B2 (ja) * | 2020-12-29 | 2026-04-30 | クアルコム，インコーポレイテッド | ビデオコーディングにおける複数の色成分に対する符号予測 |
| US12439095B2 (en) * | 2021-04-16 | 2025-10-07 | Tencent America LLC | Entropy coding of sign map for transform coefficients |
| CN119096542A (zh) * | 2022-04-26 | 2024-12-06 | 联发科技股份有限公司 | 通过多条参考线进行交叉分量预测的线性模型推导 |
| KR102561479B1 (ko) | 2022-11-30 | 2023-07-31 | 문영철 | 순환형 작물재배시스템 |
| US12483700B2 (en) * | 2023-04-24 | 2025-11-25 | Tencent America LLC | Cross-component residual prediction by using residual template |
| WO2026064140A1 (en) * | 2024-09-19 | 2026-03-26 | Beijing Dajia Internet Information Technology Co., Ltd | Residual coding for color components |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1214649C (zh) * | 2003-09-18 | 2005-08-10 | 中国科学院计算技术研究所 | 用于视频预测残差系数编码的熵编码方法 |
| KR101138392B1 (ko) * | 2004-12-30 | 2012-04-26 | 삼성전자주식회사 | 색차 성분의 상관관계를 이용한 컬러 영상의 부호화,복호화 방법 및 그 장치 |
| US7970219B2 (en) | 2004-12-30 | 2011-06-28 | Samsung Electronics Co., Ltd. | Color image encoding and decoding method and apparatus using a correlation between chrominance components |
| KR101601840B1 (ko) | 2009-02-23 | 2016-03-22 | 에스케이 텔레콤주식회사 | 채널 상관 관계를 이용한 영상 부호화/복호화 장치 및 방법과 그를 위한 컴퓨터로 읽을 수 있는 기록매체 |
| WO2012138032A1 (ko) | 2011-04-07 | 2012-10-11 | 엘지전자 주식회사 | 영상 정보 부호화 방법 및 복호화 방법 |
| KR101542586B1 (ko) * | 2011-10-19 | 2015-08-06 | 주식회사 케이티 | 영상 부호화/복호화 방법 및 그 장치 |
| US9807401B2 (en) | 2011-11-01 | 2017-10-31 | Qualcomm Incorporated | Transform unit partitioning for chroma components in video coding |
| WO2013107027A1 (en) * | 2012-01-19 | 2013-07-25 | Mediatek Singapore Pte. Ltd. | Methods and apparatuses of cbf coding in hevc |
| US9467701B2 (en) * | 2012-04-05 | 2016-10-11 | Qualcomm Incorporated | Coded block flag coding |
| CN104322064A (zh) | 2012-04-16 | 2015-01-28 | 韩国电子通信研究院 | 编码方法和解码方法以及使用其的设备 |
| CN108632611A (zh) | 2012-06-29 | 2018-10-09 | 韩国电子通信研究院 | 视频解码方法、视频编码方法和计算机可读介质 |
| US10455228B2 (en) | 2016-03-21 | 2019-10-22 | Qualcomm Incorporated | Determining prediction parameters for non-square blocks in video coding |
| WO2017173593A1 (en) | 2016-04-06 | 2017-10-12 | Mediatek Singapore Pte. Ltd. | Separate coding secondary transform syntax elements for different color components |
| WO2017209328A1 (ko) | 2016-06-03 | 2017-12-07 | 엘지전자 주식회사 | 영상 코딩 시스템에서 인트라 예측 방법 및 장치 |
| KR102601268B1 (ko) | 2017-02-24 | 2023-11-10 | 주식회사 케이티 | 비디오 신호 처리 방법 및 장치 |
| US10523966B2 (en) * | 2017-03-31 | 2019-12-31 | Mediatek Inc. | Coding transform blocks |
| US10638126B2 (en) * | 2017-05-05 | 2020-04-28 | Qualcomm Incorporated | Intra reference filter for video coding |
| RU2759218C2 (ru) * | 2017-06-21 | 2021-11-11 | Вид Скейл, Инк. | Адаптивное квантование для кодирования 360-градусного видео |
| KR101997604B1 (ko) * | 2019-01-22 | 2019-07-08 | 에스케이 텔레콤주식회사 | 영상 부호화/복호화 방법 및 장치 |
| CN118474354A (zh) * | 2019-03-04 | 2024-08-09 | 阿里巴巴集团控股有限公司 | 视频解码方法和装置、处理视频内容的方法和装置及介质 |
| WO2021118977A1 (en) * | 2019-12-09 | 2021-06-17 | Bytedance Inc. | Using quantization groups in video coding |
-
2020
- 2020-02-28 KR KR1020257033848A patent/KR20250153323A/ko active Pending
- 2020-02-28 JP JP2021549642A patent/JP7425080B2/ja active Active
- 2020-02-28 CN CN202411711527.5A patent/CN119277077A/zh active Pending
- 2020-02-28 EP EP20762119.4A patent/EP3934251A4/en active Pending
- 2020-02-28 KR KR1020227038487A patent/KR102871363B1/ko active Active
- 2020-02-28 CN CN202080017377.1A patent/CN113545059B/zh active Active
- 2020-02-28 CN CN202411712500.8A patent/CN119316599A/zh active Pending
- 2020-02-28 CN CN202411712372.7A patent/CN119342218A/zh active Pending
- 2020-02-28 CN CN202411712107.9A patent/CN119277078A/zh active Pending
- 2020-02-28 KR KR1020217016261A patent/KR102464910B1/ko active Active
- 2020-02-28 BR BR112021016917A patent/BR112021016917A2/pt unknown
- 2020-02-28 WO PCT/KR2020/002929 patent/WO2020175970A1/ko not_active Ceased
- 2020-02-28 US US17/434,684 patent/US12022060B2/en active Active
-
2024
- 2024-01-18 JP JP2024006377A patent/JP7614414B2/ja active Active
- 2024-05-24 US US18/674,107 patent/US20240314294A1/en active Pending
- 2024-12-26 JP JP2024229570A patent/JP2025031938A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US12022060B2 (en) | 2024-06-25 |
| JP7614414B2 (ja) | 2025-01-15 |
| JP7425080B2 (ja) | 2024-01-30 |
| JP2024026864A (ja) | 2024-02-28 |
| JP2022523378A (ja) | 2022-04-22 |
| CN119277078A (zh) | 2025-01-07 |
| EP3934251A4 (en) | 2022-11-30 |
| WO2020175970A1 (ko) | 2020-09-03 |
| CN119316599A (zh) | 2025-01-14 |
| CN113545059B (zh) | 2024-12-17 |
| CN113545059A (zh) | 2021-10-22 |
| CN119342218A (zh) | 2025-01-21 |
| US20220046232A1 (en) | 2022-02-10 |
| KR102464910B1 (ko) | 2022-11-09 |
| US20240314294A1 (en) | 2024-09-19 |
| KR20250153323A (ko) | 2025-10-24 |
| JP2025031938A (ja) | 2025-03-07 |
| EP3934251A1 (en) | 2022-01-05 |
| KR20210071081A (ko) | 2021-06-15 |
| KR20220151233A (ko) | 2022-11-14 |
| KR102871363B1 (ko) | 2025-10-14 |
| CN119277077A (zh) | 2025-01-07 |
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