BR112022004273A2 - Sistemas e métodos para reduzir um erro de reconstrução na codificação de vídeo com base em uma correlação entre componentes - Google Patents
Sistemas e métodos para reduzir um erro de reconstrução na codificação de vídeo com base em uma correlação entre componentesInfo
- Publication number
- BR112022004273A2 BR112022004273A2 BR112022004273A BR112022004273A BR112022004273A2 BR 112022004273 A2 BR112022004273 A2 BR 112022004273A2 BR 112022004273 A BR112022004273 A BR 112022004273A BR 112022004273 A BR112022004273 A BR 112022004273A BR 112022004273 A2 BR112022004273 A2 BR 112022004273A2
- Authority
- BR
- Brazil
- Prior art keywords
- luma
- sample
- location
- systems
- components
- Prior art date
Links
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
- H04N19/117—Filters, e.g. for pre-processing or post-processing
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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
- H04N19/105—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
- H04N19/102—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
- H04N19/167—Position within a video image, e.g. region of interest [ROI]
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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
- H04N19/17—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
- H04N19/172—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 picture, frame or field
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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
- H04N19/17—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
- H04N19/182—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 pixel
-
- 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
- H04N19/70—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
-
- 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
- H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
- H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
-
- 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
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
- H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
sistemas e métodos para reduzir um erro de reconstrução na codificação de vídeo com base em uma correlação entre componentes. a presente invenção refere-se a método de filtragem de dados de vídeo reconstruídos, e a dispositivos (codificação/ decodificação; e sistemas). o método compreende: inserir uma matriz de amostra de imagem de luma reconstruída; definir um local de luma correspondente a uma amostra de saturação corrente para um local definido por um local horizontal em amostras de saturação multiplicado por um valor de sublargura e um local vertical na amostra de saturação multiplicado por um valor de subaltura; derivar os locais de amostra de luma dentro da matriz de amostra de imagem de luma reconstruída usando o local de luma e derivar uma variável usando coeficientes de filtro entre componentes e a matriz de amostra de imagem de luma reconstruída definida por pelo menos um dos locais de amostra de luma, em que a variável é modificada usando um bloco de saturação de amostras atual.
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962899053P | 2019-09-11 | 2019-09-11 | |
US201962901679P | 2019-09-17 | 2019-09-17 | |
US201962904399P | 2019-09-23 | 2019-09-23 | |
US201962905312P | 2019-09-24 | 2019-09-24 | |
US201962910317P | 2019-10-03 | 2019-10-03 | |
PCT/JP2020/024646 WO2021049126A1 (en) | 2019-09-11 | 2020-06-23 | Systems and methods for reducing a reconstruction error in video coding based on a cross-component correlation |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112022004273A2 true BR112022004273A2 (pt) | 2022-06-07 |
Family
ID=74867083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112022004273A BR112022004273A2 (pt) | 2019-09-11 | 2020-06-23 | Sistemas e métodos para reduzir um erro de reconstrução na codificação de vídeo com base em uma correlação entre componentes |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220345698A1 (pt) |
EP (1) | EP4029272A4 (pt) |
CN (4) | CN118214864A (pt) |
BR (1) | BR112022004273A2 (pt) |
WO (1) | WO2021049126A1 (pt) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11202068B2 (en) | 2019-09-16 | 2021-12-14 | Mediatek Inc. | Method and apparatus of constrained cross-component adaptive loop filtering for video coding |
CN114731399A (zh) * | 2019-11-22 | 2022-07-08 | 韩国电子通信研究院 | 自适应环内滤波方法和装置 |
CN114930832A (zh) * | 2019-11-30 | 2022-08-19 | 抖音视界(北京)有限公司 | 跨分量自适应滤波和子块编解码 |
WO2021134706A1 (zh) * | 2019-12-31 | 2021-07-08 | 北京大学 | 环路滤波的方法与装置 |
CN115176466A (zh) | 2020-02-14 | 2022-10-11 | 抖音视界有限公司 | 视频比特流中的子图片信息信令 |
EP4128777A1 (en) * | 2020-03-26 | 2023-02-08 | InterDigital VC Holdings France | Signaling coding parameters in video coding |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9078007B2 (en) * | 2008-10-03 | 2015-07-07 | Qualcomm Incorporated | Digital video coding with interpolation filters and offsets |
US9094658B2 (en) * | 2010-05-10 | 2015-07-28 | Mediatek Inc. | Method and apparatus of adaptive loop filtering |
US20120294353A1 (en) * | 2011-05-16 | 2012-11-22 | Mediatek Inc. | Apparatus and Method of Sample Adaptive Offset for Luma and Chroma Components |
CN105120270B (zh) * | 2011-05-16 | 2018-09-04 | 寰发股份有限公司 | 采用样本自适应偏移处理重构视频的方法及装置 |
US10070152B2 (en) * | 2011-08-24 | 2018-09-04 | Texas Instruments Incorporated | Sample adaptive offset (SAO) parameter signaling |
US10412419B2 (en) * | 2013-07-12 | 2019-09-10 | Qualcomm Incorporated | Adaptive filtering in video coding |
CA2943121C (en) * | 2014-03-18 | 2020-09-08 | Arris Enterprises Llc | Scalable video coding using reference and scaled reference layer offsets |
US20150365703A1 (en) * | 2014-06-13 | 2015-12-17 | Atul Puri | System and method for highly content adaptive quality restoration filtering for video coding |
EP3403406A1 (en) * | 2016-01-15 | 2018-11-21 | VID SCALE, Inc. | System and method for enhanced motion compensation using adaptive filtering |
US10419757B2 (en) * | 2016-08-31 | 2019-09-17 | Qualcomm Incorporated | Cross-component filter |
-
2020
- 2020-06-23 CN CN202410536564.0A patent/CN118214864A/zh active Pending
- 2020-06-23 CN CN202410536546.2A patent/CN118214863A/zh active Pending
- 2020-06-23 EP EP20863730.6A patent/EP4029272A4/en active Pending
- 2020-06-23 WO PCT/JP2020/024646 patent/WO2021049126A1/en unknown
- 2020-06-23 US US17/641,497 patent/US20220345698A1/en active Pending
- 2020-06-23 CN CN202080063608.2A patent/CN114391255B/zh active Active
- 2020-06-23 CN CN202410536566.XA patent/CN118214865A/zh active Pending
- 2020-06-23 BR BR112022004273A patent/BR112022004273A2/pt unknown
Also Published As
Publication number | Publication date |
---|---|
US20220345698A1 (en) | 2022-10-27 |
WO2021049126A1 (en) | 2021-03-18 |
EP4029272A1 (en) | 2022-07-20 |
CN118214864A (zh) | 2024-06-18 |
CN118214863A (zh) | 2024-06-18 |
CN118214865A (zh) | 2024-06-18 |
CN114391255A (zh) | 2022-04-22 |
CN114391255B (zh) | 2024-05-17 |
EP4029272A4 (en) | 2023-10-11 |
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