MX2022008040A - Filtros en bucle para la codificacion de video. - Google Patents
Filtros en bucle para la codificacion de video.Info
- Publication number
- MX2022008040A MX2022008040A MX2022008040A MX2022008040A MX2022008040A MX 2022008040 A MX2022008040 A MX 2022008040A MX 2022008040 A MX2022008040 A MX 2022008040A MX 2022008040 A MX2022008040 A MX 2022008040A MX 2022008040 A MX2022008040 A MX 2022008040A
- Authority
- MX
- Mexico
- Prior art keywords
- sample
- image sample
- filter
- image
- related image
- Prior art date
Links
- 230000003044 adaptive effect Effects 0.000 abstract 1
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
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
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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
-
- 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
- H04N19/156—Availability of hardware or computational resources, e.g. encoding based on power-saving criteria
-
- 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
- H04N19/182—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
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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
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
- H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
-
- 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
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
Esta solicitud se refiere a la codificación de datos de video que incluyen una pluralidad de muestras de imágenes de un fotograma de video. Cada muestra de imagen corresponde a una de una muestra de luminancia y una muestra de crominancia. Cada muestra de imagen se filtra con el uso de un filtro en bucle adaptativo que tiene una longitud de filtro y un conjunto de coeficientes de filtro. Un conjunto de muestras de imágenes relacionadas se identifica en la longitud de filtro de cada muestra de imagen. Para cada muestra de imagen relacionada se identifica un índice de valor de recorte respectivo y un coeficiente de filtro correspondiente. Una diferencia de cada muestra de imagen relacionada y la muestra de imagen respectiva se recorta con base en el índice de valor de recorte respectivo que corresponde con un valor límite de recorte respectivo igual a 2 a una potencia de un número de recorte respectivo. La muestra de imagen respectiva se modifica con la diferencia recortada de cada una de las muestras de imágenes relacionadas con base en el coeficiente de filtro respectivo.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962954485P | 2019-12-28 | 2019-12-28 | |
| PCT/US2020/067159 WO2021134064A1 (en) | 2019-12-28 | 2020-12-28 | In-loop filters for video coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX2022008040A true MX2022008040A (es) | 2022-08-22 |
Family
ID=76575702
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2022008040A MX2022008040A (es) | 2019-12-28 | 2020-12-28 | Filtros en bucle para la codificacion de video. |
| MX2025012879A MX2025012879A (es) | 2019-12-28 | 2022-06-24 | Filtros en bucle para la codificacion de video |
| MX2025012878A MX2025012878A (es) | 2019-12-28 | 2022-06-24 | Filtros en bucle para la codificacion de video |
| MX2025012877A MX2025012877A (es) | 2019-12-28 | 2022-06-24 | Filtros en bucle para la codificacion de video |
| MX2025012880A MX2025012880A (es) | 2019-12-28 | 2022-06-24 | Filtros en bucle para la codificacion de video |
Family Applications After (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2025012879A MX2025012879A (es) | 2019-12-28 | 2022-06-24 | Filtros en bucle para la codificacion de video |
| MX2025012878A MX2025012878A (es) | 2019-12-28 | 2022-06-24 | Filtros en bucle para la codificacion de video |
| MX2025012877A MX2025012877A (es) | 2019-12-28 | 2022-06-24 | Filtros en bucle para la codificacion de video |
| MX2025012880A MX2025012880A (es) | 2019-12-28 | 2022-06-24 | Filtros en bucle para la codificacion de video |
Country Status (13)
| Country | Link |
|---|---|
| US (3) | US12003729B2 (es) |
| EP (5) | EP4661403A3 (es) |
| JP (2) | JP7336037B2 (es) |
| KR (2) | KR102585317B1 (es) |
| CN (3) | CN115643402B (es) |
| DK (1) | DK4082213T3 (es) |
| ES (3) | ES3055884T3 (es) |
| FI (1) | FI4082213T3 (es) |
| HU (1) | HUE068218T2 (es) |
| MX (5) | MX2022008040A (es) |
| PL (1) | PL4082213T3 (es) |
| PT (1) | PT4082213T (es) |
| WO (1) | WO2021134064A1 (es) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120050419B (zh) * | 2025-04-25 | 2025-07-15 | 马栏山音视频实验室 | 基于视频帧间差异的时域滤波方法、装置、设备及介质 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9094658B2 (en) * | 2010-05-10 | 2015-07-28 | Mediatek Inc. | Method and apparatus of adaptive loop filtering |
| AU2015261734A1 (en) * | 2015-11-30 | 2017-06-15 | Canon Kabushiki Kaisha | Method, apparatus and system for encoding and decoding video data according to local luminance intensity |
| EP3297282A1 (en) * | 2016-09-15 | 2018-03-21 | Thomson Licensing | Method and apparatus for video coding with adaptive clipping |
| WO2018105579A1 (ja) * | 2016-12-09 | 2018-06-14 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | 符号化装置、復号装置、符号化方法及び復号方法 |
| US10708592B2 (en) * | 2018-04-02 | 2020-07-07 | Qualcomm Incorporated | Deblocking filter for video coding and processing |
| US11477448B2 (en) * | 2019-01-25 | 2022-10-18 | Hfi Innovation Inc. | Method and apparatus for non-linear adaptive loop filtering in video coding |
| GB2582029A (en) * | 2019-03-08 | 2020-09-09 | Canon Kk | An adaptive loop filter |
| CN117956147A (zh) * | 2019-03-08 | 2024-04-30 | 佳能株式会社 | 自适应环路滤波器 |
| AU2020270246A1 (en) * | 2019-05-04 | 2021-12-02 | Huawei Technologies Co., Ltd. | An encoder, a decoder and corresponding methods using an adaptive loop filter |
| US11356662B2 (en) * | 2019-05-21 | 2022-06-07 | Qualcomm Incorporated | Simplification of clipping value calculation for adaptive loop filters |
| JP6811931B2 (ja) | 2019-06-20 | 2021-01-13 | Kddi株式会社 | 画像復号装置、画像復号方法及びプログラム |
| CN117459725A (zh) * | 2019-06-24 | 2024-01-26 | 华为技术有限公司 | 用于非线性自适应环路滤波器的限幅电平 |
| KR20220081999A (ko) * | 2019-09-23 | 2022-06-16 | 브이아이디 스케일, 인크. | 공동 컴포넌트 비디오 프레임 필터링 |
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2020
- 2020-12-28 HU HUE20906639A patent/HUE068218T2/hu unknown
- 2020-12-28 CN CN202211311004.2A patent/CN115643402B/zh active Active
- 2020-12-28 EP EP25210707.3A patent/EP4661403A3/en active Pending
- 2020-12-28 ES ES24190516T patent/ES3055884T3/es active Active
- 2020-12-28 FI FIEP20906639.8T patent/FI4082213T3/fi active
- 2020-12-28 CN CN202410884188.4A patent/CN118869993B/zh active Active
- 2020-12-28 EP EP20906639.8A patent/EP4082213B1/en active Active
- 2020-12-28 DK DK20906639.8T patent/DK4082213T3/da active
- 2020-12-28 WO PCT/US2020/067159 patent/WO2021134064A1/en not_active Ceased
- 2020-12-28 ES ES20906639T patent/ES2994635T3/es active Active
- 2020-12-28 ES ES24190508T patent/ES3054685T3/es active Active
- 2020-12-28 PL PL20906639.8T patent/PL4082213T3/pl unknown
- 2020-12-28 CN CN202080097101.9A patent/CN115176481A/zh active Pending
- 2020-12-28 PT PT209066398T patent/PT4082213T/pt unknown
- 2020-12-28 KR KR1020227026338A patent/KR102585317B1/ko active Active
- 2020-12-28 EP EP24190508.2A patent/EP4429242B1/en active Active
- 2020-12-28 KR KR1020237033374A patent/KR20230145216A/ko active Pending
- 2020-12-28 EP EP24190516.5A patent/EP4429243B1/en active Active
- 2020-12-28 JP JP2022539344A patent/JP7336037B2/ja active Active
- 2020-12-28 MX MX2022008040A patent/MX2022008040A/es unknown
- 2020-12-28 EP EP24190565.2A patent/EP4429244B1/en active Active
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2022
- 2022-06-24 MX MX2025012879A patent/MX2025012879A/es unknown
- 2022-06-24 MX MX2025012878A patent/MX2025012878A/es unknown
- 2022-06-24 MX MX2025012877A patent/MX2025012877A/es unknown
- 2022-06-24 MX MX2025012880A patent/MX2025012880A/es unknown
- 2022-06-28 US US17/852,230 patent/US12003729B2/en active Active
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2023
- 2023-08-18 JP JP2023133434A patent/JP7551868B2/ja active Active
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2024
- 2024-04-04 US US18/627,289 patent/US12395636B2/en active Active
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2025
- 2025-07-25 US US19/281,007 patent/US20250358423A1/en active Pending
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