BR112021018144A2 - Filtro em laço adaptativo (alf) baseado em blocos com conjunto de parâmetros adaptativos (aps) na codificação de vídeo - Google Patents
Filtro em laço adaptativo (alf) baseado em blocos com conjunto de parâmetros adaptativos (aps) na codificação de vídeoInfo
- Publication number
- BR112021018144A2 BR112021018144A2 BR112021018144A BR112021018144A BR112021018144A2 BR 112021018144 A2 BR112021018144 A2 BR 112021018144A2 BR 112021018144 A BR112021018144 A BR 112021018144A BR 112021018144 A BR112021018144 A BR 112021018144A BR 112021018144 A2 BR112021018144 A2 BR 112021018144A2
- Authority
- BR
- Brazil
- Prior art keywords
- adaptive
- parameter set
- adaptive parameter
- alf
- aps
- 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
- H04N19/117—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
- H04N19/42—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
- H04N19/426—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 using memory downsizing methods
-
- 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
- H04N19/46—Embedding additional information in the video signal during the compression process
- H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
-
- 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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
- H04N19/31—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the temporal domain
-
- 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
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962824259P | 2019-03-26 | 2019-03-26 | |
| US16/822,990 US11683487B2 (en) | 2019-03-26 | 2020-03-18 | Block-based adaptive loop filter (ALF) with adaptive parameter set (APS) in video coding |
| PCT/US2020/023655 WO2020197937A1 (en) | 2019-03-26 | 2020-03-19 | Block-based adaptive loop filter (alf) with adaptive parameter set (aps) in video coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112021018144A2 true BR112021018144A2 (pt) | 2021-11-16 |
Family
ID=72605357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112021018144A BR112021018144A2 (pt) | 2019-03-26 | 2020-03-19 | Filtro em laço adaptativo (alf) baseado em blocos com conjunto de parâmetros adaptativos (aps) na codificação de vídeo |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US11683487B2 (https=) |
| EP (1) | EP3949412B1 (https=) |
| JP (1) | JP7423653B2 (https=) |
| KR (1) | KR20210135251A (https=) |
| CN (1) | CN113615189B (https=) |
| BR (1) | BR112021018144A2 (https=) |
| ES (1) | ES3053322T3 (https=) |
| PL (1) | PL3949412T3 (https=) |
| SG (1) | SG11202109048SA (https=) |
| TW (1) | TWI859207B (https=) |
| WO (1) | WO2020197937A1 (https=) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9210426B2 (en) * | 2011-06-30 | 2015-12-08 | Mitsubishi Electric Corporation | Image coding device, image decoding device, image coding method, and image decoding method |
| BR112021016895A2 (pt) * | 2019-02-27 | 2021-11-03 | Huawei Tech Co Ltd | Codificador, decodificador e métodos correspondentes |
| US11546587B2 (en) * | 2019-04-11 | 2023-01-03 | Mediatek Inc. | Adaptive loop filter with adaptive parameter set |
| TW202518896A (zh) * | 2019-06-20 | 2025-05-01 | 日商索尼股份有限公司 | 影像處理裝置及影像處理方法 |
| AU2020310952A1 (en) | 2019-07-08 | 2022-01-20 | Voiceage Corporation | Method and system for coding metadata in audio streams and for efficient bitrate allocation to audio streams coding |
| WO2021191114A1 (en) * | 2020-03-26 | 2021-09-30 | Interdigital Vc Holdings France | Signaling coding parameters in video coding |
| CN115428444B (zh) | 2020-04-01 | 2025-01-17 | 抖音视界有限公司 | 对自适应参数集语法元素的约束 |
| CN115606183A (zh) | 2020-04-07 | 2023-01-13 | 抖音视界有限公司（Cn） | 参考图片环绕的剪裁操作 |
| EP4118825A4 (en) * | 2020-04-09 | 2023-08-09 | Beijing Bytedance Network Technology Co., Ltd. | DEBLOCK SIGNALING IN VIDEO CODING |
| WO2021204251A1 (en) | 2020-04-10 | 2021-10-14 | Beijing Bytedance Network Technology Co., Ltd. | Use of header syntax elements and adaptation parameter set |
| WO2021209061A1 (en) | 2020-04-17 | 2021-10-21 | Beijing Bytedance Network Technology Co., Ltd. | Presence of adaptation parameter set units |
| KR102917555B1 (ko) | 2020-04-26 | 2026-01-23 | 바이트댄스 아이엔씨 | 비디오 코딩 신택스 요소의 조건적 시그널링 |
| CN113824956B (zh) * | 2020-08-24 | 2022-12-23 | 杭州海康威视数字技术股份有限公司 | 滤波方法、装置、设备及机器可读存储介质 |
| US11863742B2 (en) | 2020-12-03 | 2024-01-02 | Alibaba Group Holding Limited | Method for using adaptive loop filter and system thereof |
| US11743507B2 (en) * | 2020-12-16 | 2023-08-29 | Tencent America LLC | Method and apparatus for video filtering |
| US12439095B2 (en) * | 2021-04-16 | 2025-10-07 | Tencent America LLC | Entropy coding of sign map for transform coefficients |
| US12309433B2 (en) * | 2021-05-20 | 2025-05-20 | Lemon Inc. | On padding methods for neural network-based in-loop filter |
| EP4281926A4 (en) | 2021-07-13 | 2024-07-17 | Samsung Electronics Co., Ltd. | SYSTEM AND METHOD FOR RENDERING DIFFERENTIAL VIDEO ON GRAPHIC DISPLAYS |
| US12348789B1 (en) * | 2021-07-22 | 2025-07-01 | Meta Platforms, Inc. | Optimization of constrained directional enhancement filtering (CDEF) |
| US12160562B2 (en) * | 2021-09-15 | 2024-12-03 | Tencent America LLC | On propagating intra prediction mode information of IBC block by using block vector |
| US11838557B2 (en) * | 2021-11-17 | 2023-12-05 | Mediatek Inc. | Methods and apparatuses of ALF derivation in video encoding system |
| CN116456086A (zh) * | 2022-01-07 | 2023-07-18 | 腾讯科技（深圳）有限公司 | 环路滤波方法、视频编解码方法、装置、介质及电子设备 |
| EP4559183A1 (en) * | 2022-07-20 | 2025-05-28 | Mediatek Inc. | Adaptive loop filter with adaptive filter strength |
| CN120380765A (zh) * | 2022-12-02 | 2025-07-25 | 联发科技股份有限公司 | 方法和装置用于适应性环路滤波（alf）与固定滤波器用于视频编解码 |
| CN120731601A (zh) * | 2023-02-16 | 2025-09-30 | 抖音视界有限公司 | 视频编解码中经多个自适应环路滤波器处理的重建 |
| WO2025149075A1 (en) * | 2024-01-11 | 2025-07-17 | Douyin Vision Co., Ltd. | Line buffer for in-loop filter in video coding |
| US20250392710A1 (en) * | 2024-06-20 | 2025-12-25 | Qualcomm Incorporated | Temporal scalability for adaptive loop filter scaling factors for video coding |
| WO2026016999A1 (en) * | 2024-07-15 | 2026-01-22 | Douyin Vision Co., Ltd. | Parameter and control information reusing for loop-filters in video coding |
| WO2026080199A1 (en) * | 2024-10-11 | 2026-04-16 | Qualcomm Incorporated | Adaptive loop filter joint optimization for video coding |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080178219A1 (en) * | 2007-01-23 | 2008-07-24 | At&T Knowledge Ventures, Lp | System and method for providing video content |
| US9001883B2 (en) | 2011-02-16 | 2015-04-07 | Mediatek Inc | Method and apparatus for slice common information sharing |
| US9807403B2 (en) * | 2011-10-21 | 2017-10-31 | Qualcomm Incorporated | Adaptive loop filtering for chroma components |
| CN103096047B (zh) | 2011-11-01 | 2018-06-19 | 中兴通讯股份有限公司 | 一种分片层参数集解码及编码方法和装置 |
| US9538200B2 (en) | 2012-01-19 | 2017-01-03 | Qualcomm Incorporated | Signaling of deblocking filter parameters in video coding |
| TWI524739B (zh) * | 2012-02-10 | 2016-03-01 | 美國博通公司 | 根據視頻編碼的採樣點自適應偏移（sao） |
| WO2013144144A1 (en) * | 2012-03-30 | 2013-10-03 | Panasonic Corporation | Syntax and semantics for adaptive loop filter and sample adaptive offset |
| US9386307B2 (en) * | 2012-06-14 | 2016-07-05 | Qualcomm Incorporated | Grouping of bypass-coded bins for SAO syntax elements |
| US20130343465A1 (en) | 2012-06-26 | 2013-12-26 | Qualcomm Incorporated | Header parameter sets for video coding |
| AU2013285333A1 (en) | 2012-07-02 | 2015-02-05 | Nokia Technologies Oy | Method and apparatus for video coding |
| US10506230B2 (en) * | 2017-01-04 | 2019-12-10 | Qualcomm Incorporated | Modified adaptive loop filter temporal prediction for temporal scalability support |
| US11451773B2 (en) | 2018-06-01 | 2022-09-20 | Qualcomm Incorporated | Block-based adaptive loop filter (ALF) design and signaling |
| US11284075B2 (en) | 2018-09-12 | 2022-03-22 | Qualcomm Incorporated | Prediction of adaptive loop filter parameters with reduced memory consumption for video coding |
| GB201902829D0 (en) * | 2019-03-01 | 2019-04-17 | Canon Kk | Method and apparatus for encoding and decoding a video bitsream for merging regions of interest |
| WO2020182620A1 (en) * | 2019-03-08 | 2020-09-17 | Canon Kabushiki Kaisha | An adaptive loop filter |
| US11159791B2 (en) * | 2019-03-16 | 2021-10-26 | Mediatek Inc. | Method and apparatus for signaling adaptive loop filter parameters in video coding |
-
2020
- 2020-03-18 US US16/822,990 patent/US11683487B2/en active Active
- 2020-03-19 PL PL20720572.5T patent/PL3949412T3/pl unknown
- 2020-03-19 JP JP2021556314A patent/JP7423653B2/ja active Active
- 2020-03-19 CN CN202080022065.XA patent/CN113615189B/zh active Active
- 2020-03-19 EP EP20720572.5A patent/EP3949412B1/en active Active
- 2020-03-19 SG SG11202109048S patent/SG11202109048SA/en unknown
- 2020-03-19 TW TW109109276A patent/TWI859207B/zh active
- 2020-03-19 WO PCT/US2020/023655 patent/WO2020197937A1/en not_active Ceased
- 2020-03-19 ES ES20720572T patent/ES3053322T3/es active Active
- 2020-03-19 BR BR112021018144A patent/BR112021018144A2/pt unknown
- 2020-03-19 KR KR1020217029091A patent/KR20210135251A/ko active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US20200314424A1 (en) | 2020-10-01 |
| EP3949412C0 (en) | 2025-10-29 |
| JP7423653B2 (ja) | 2024-01-29 |
| JP2022525470A (ja) | 2022-05-16 |
| PL3949412T3 (pl) | 2026-02-09 |
| SG11202109048SA (en) | 2021-10-28 |
| ES3053322T3 (en) | 2026-01-21 |
| WO2020197937A1 (en) | 2020-10-01 |
| CN113615189A (zh) | 2021-11-05 |
| US11683487B2 (en) | 2023-06-20 |
| CN113615189B (zh) | 2025-02-14 |
| KR20210135251A (ko) | 2021-11-12 |
| TW202044831A (zh) | 2020-12-01 |
| EP3949412A1 (en) | 2022-02-09 |
| TWI859207B (zh) | 2024-10-21 |
| EP3949412B1 (en) | 2025-10-29 |
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