MX2021014754A - Metodo y aparato de filtrado en bucle adaptativo. - Google Patents
Metodo y aparato de filtrado en bucle adaptativo.Info
- Publication number
- MX2021014754A MX2021014754A MX2021014754A MX2021014754A MX2021014754A MX 2021014754 A MX2021014754 A MX 2021014754A MX 2021014754 A MX2021014754 A MX 2021014754A MX 2021014754 A MX2021014754 A MX 2021014754A MX 2021014754 A MX2021014754 A MX 2021014754A
- Authority
- MX
- Mexico
- Prior art keywords
- alf
- adaptive parameter
- parameter set
- current
- slice
- Prior art date
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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
- H04N19/80—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
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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
- H04N19/119—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
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
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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
- H04N19/134—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
- H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
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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
- H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
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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
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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
- H04N19/186—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
- H04N19/70—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
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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
- H04N19/90—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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
En este documento se describe un método de decodificación de video que incluye adquirir conjuntos de parámetros de adaptación que incluyan un conjunto de filtros en bucle adaptativo (ALF) que incluya una pluralidad de ALFs, determinar un conjunto de parámetros de adaptación aplicado a una imagen o segmento actual y que incluya un conjunto de ALF aplicado a la imagen o segmento actual, de entre los conjuntos de parámetros adaptativos, determinar un conjunto de parámetros de adaptación aplicado a un bloque de árbol de codificación actual (CTB) y que incluya un conjunto de ALF aplicado al CTB actual incluido en la imagen o segmento actual, del conjunto de parámetros de adaptación aplicado a la imagen o segmento actual, y filtrar el CTB actual en función del conjunto de ALF del conjunto de parámetros de adaptación determinado aplicado al CTB actual, en donde los conjuntos de parámetros de adaptación adquiridos incluyen información de número de ALF de croma, y en donde el conjunto de ALF incluye ALFs de croma, cuyo número está indicado por la información de número de ALF de croma.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20190071707 | 2019-06-17 | ||
KR20190071941 | 2019-06-18 | ||
KR20190082429 | 2019-07-09 | ||
PCT/KR2020/007856 WO2020256413A1 (ko) | 2019-06-17 | 2020-06-17 | 적응적 루프내 필터링 방법 및 장치 |
Publications (1)
Publication Number | Publication Date |
---|---|
MX2021014754A true MX2021014754A (es) | 2022-01-18 |
Family
ID=74040225
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2021014754A MX2021014754A (es) | 2019-06-17 | 2020-06-17 | Metodo y aparato de filtrado en bucle adaptativo. |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220248006A1 (es) |
KR (1) | KR20200144075A (es) |
CN (1) | CN113940085B (es) |
MX (1) | MX2021014754A (es) |
WO (1) | WO2020256413A1 (es) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111742552B (zh) * | 2019-06-25 | 2021-08-31 | 北京大学 | 环路滤波的方法与装置 |
JP7401666B2 (ja) * | 2019-11-04 | 2023-12-19 | 北京字節跳動網絡技術有限公司 | クロス成分適応ループフィルタ |
CA3129687A1 (en) | 2019-12-24 | 2021-07-01 | Telefonaktiebolaget Lm Ericsson (Publ) | Virtual boundary processing for adaptive loop filtering |
JP7001668B2 (ja) * | 2019-12-26 | 2022-01-19 | Kddi株式会社 | 画像復号装置、画像復号方法及びプログラム |
US20230050232A1 (en) * | 2020-01-15 | 2023-02-16 | Lg Electronics Inc. | In-loop filtering-based image coding apparatus and method |
US11706461B2 (en) * | 2021-03-18 | 2023-07-18 | Tencent America LLC | Method and apparatus for video coding |
US20230010869A1 (en) * | 2021-06-30 | 2023-01-12 | Qualcomm Incorporated | Signaled adaptive loop filter with multiple classifiers in video coding |
US11838557B2 (en) * | 2021-11-17 | 2023-12-05 | Mediatek Inc. | Methods and apparatuses of ALF derivation in video encoding system |
CN114726926B (zh) * | 2022-03-30 | 2023-03-31 | 电子科技大学 | 一种用于拉普拉斯信源的自适应变长编码方法 |
CN115131784B (zh) * | 2022-04-26 | 2023-04-18 | 东莞博奥木华基因科技有限公司 | 一种图像处理方法、装置、电子设备及存储介质 |
WO2024016982A1 (en) * | 2022-07-20 | 2024-01-25 | Mediatek Inc. | Adaptive loop filter with adaptive filter strength |
WO2024039088A1 (ko) * | 2022-08-18 | 2024-02-22 | 현대자동차주식회사 | 비선형 교차 성분 관계에 기반하는 cc-alf를 이용하는 비디오 코딩을 위한 방법 및 장치 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2715782T3 (es) * | 2011-04-21 | 2019-06-06 | Hfi Innovation Inc | Procedimiento y aparato para un filtrado en bucle mejorado |
US10778974B2 (en) * | 2017-07-05 | 2020-09-15 | Qualcomm Incorporated | Adaptive loop filter with enhanced classification methods |
KR102643115B1 (ko) * | 2017-11-29 | 2024-03-04 | 한국전자통신연구원 | 루프내 필터링을 이용한 영상 부호화/복호화 방법 및 장치 |
CN117956147A (zh) * | 2019-03-08 | 2024-04-30 | 佳能株式会社 | 自适应环路滤波器 |
WO2020231140A1 (ko) * | 2019-05-14 | 2020-11-19 | 엘지전자 주식회사 | 적응적 루프 필터 기반 비디오 또는 영상 코딩 |
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2020
- 2020-06-17 CN CN202080040649.XA patent/CN113940085B/zh active Active
- 2020-06-17 WO PCT/KR2020/007856 patent/WO2020256413A1/ko active Application Filing
- 2020-06-17 KR KR1020200073842A patent/KR20200144075A/ko active Search and Examination
- 2020-06-17 MX MX2021014754A patent/MX2021014754A/es unknown
- 2020-06-17 US US17/616,602 patent/US20220248006A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
US20220248006A1 (en) | 2022-08-04 |
CN113940085A (zh) | 2022-01-14 |
WO2020256413A1 (ko) | 2020-12-24 |
CN113940085B (zh) | 2024-06-14 |
KR20200144075A (ko) | 2020-12-28 |
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