CA3131117A1 - Boundary handling for adaptive loop filtering - Google Patents
Boundary handling for adaptive loop filtering Download PDFInfo
- Publication number
- CA3131117A1 CA3131117A1 CA3131117A CA3131117A CA3131117A1 CA 3131117 A1 CA3131117 A1 CA 3131117A1 CA 3131117 A CA3131117 A CA 3131117A CA 3131117 A CA3131117 A CA 3131117A CA 3131117 A1 CA3131117 A1 CA 3131117A1
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- CA
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- Prior art keywords
- sample
- gradient
- video data
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- samples
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- H04N19/10—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
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/147—Data rate or code amount at the encoder output according to rate distortion 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
- H04N19/169—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
-
- 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
- H04N19/80—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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962816728P | 2019-03-11 | 2019-03-11 | |
| US62/816,728 | 2019-03-11 | ||
| US16/814,597 US11910024B2 (en) | 2019-03-11 | 2020-03-10 | Boundary handling for adaptive loop filtering |
| US16/814,597 | 2020-03-10 | ||
| PCT/US2020/022132 WO2020185919A1 (en) | 2019-03-11 | 2020-03-11 | Boundary handling for adaptive loop filtering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA3131117A1 true CA3131117A1 (en) | 2020-09-17 |
Family
ID=72423568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3131117A Pending CA3131117A1 (en) | 2019-03-11 | 2020-03-11 | Boundary handling for adaptive loop filtering |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US11910024B2 (enExample) |
| EP (1) | EP3939321A1 (enExample) |
| JP (1) | JP7507169B2 (enExample) |
| KR (1) | KR20210135246A (enExample) |
| CN (1) | CN113557743B (enExample) |
| AU (1) | AU2020234574B2 (enExample) |
| BR (1) | BR112021017449A2 (enExample) |
| CA (1) | CA3131117A1 (enExample) |
| CL (1) | CL2021002356A1 (enExample) |
| CO (1) | CO2021011792A2 (enExample) |
| IL (1) | IL285638B2 (enExample) |
| MX (1) | MX2021010859A (enExample) |
| MY (1) | MY208959A (enExample) |
| PH (1) | PH12021551988A1 (enExample) |
| SA (1) | SA521430180B1 (enExample) |
| SG (1) | SG11202108952SA (enExample) |
| TW (1) | TWI845635B (enExample) |
| WO (1) | WO2020185919A1 (enExample) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11044473B2 (en) * | 2018-12-21 | 2021-06-22 | Qualcomm Incorporated | Adaptive loop filtering classification in video coding |
| US11153598B2 (en) * | 2019-06-04 | 2021-10-19 | Tencent America LLC | Method and apparatus for video coding using a subblock-based affine motion model |
| CN113994671B (zh) | 2019-06-14 | 2024-05-10 | 北京字节跳动网络技术有限公司 | 基于颜色格式处理视频单元边界和虚拟边界 |
| CN118138754A (zh) | 2019-06-14 | 2024-06-04 | 北京字节跳动网络技术有限公司 | 处理视频单元边界和虚拟边界 |
| CN114097225B (zh) | 2019-07-09 | 2024-04-19 | 北京字节跳动网络技术有限公司 | 用于自适应环路滤波的样点确定 |
| AU2020309130B2 (en) | 2019-07-11 | 2023-06-08 | Beijing Bytedance Network Technology Co., Ltd. | Sample padding in adaptive loop filtering |
| EP3984219A4 (en) | 2019-07-15 | 2022-08-17 | Beijing Bytedance Network Technology Co., Ltd. | Classification in adaptive loop filtering |
| WO2021052509A1 (en) | 2019-09-22 | 2021-03-25 | Beijing Bytedance Network Technology Co., Ltd. | Selective application of sample padding in adaptive loop filtering |
| CN114450954B (zh) | 2019-09-27 | 2024-06-25 | 北京字节跳动网络技术有限公司 | 不同视频单元之间的自适应环路滤波 |
| WO2021068906A1 (en) | 2019-10-10 | 2021-04-15 | Beijing Bytedance Network Technology Co., Ltd. | Padding process at unavailable sample locations in adaptive loop filtering |
| WO2021088835A1 (en) * | 2019-11-04 | 2021-05-14 | Beijing Bytedance Network Technology Co., Ltd. | Cross-component adaptive loop filter |
| US11425405B2 (en) * | 2019-11-15 | 2022-08-23 | Qualcomm Incorporated | Cross-component adaptive loop filter in video coding |
| CN116325734A (zh) | 2020-09-23 | 2023-06-23 | 北京达佳互联信息技术有限公司 | 具有虚拟边界的跨分量样点自适应偏移中的色度编解码增强 |
| CN119547433A (zh) * | 2022-06-28 | 2025-02-28 | 抖音视界有限公司 | 视频编码编解码中用于自适应环路滤波器的填充方法 |
| US20240348796A1 (en) * | 2023-04-13 | 2024-10-17 | Qualcomm Incorporated | Coding affine motion models for video coding |
| US20250014226A1 (en) * | 2023-07-07 | 2025-01-09 | Sony Interactive Entertainment LLC | Optimized partition selection for bc7 texture encoding |
| US20250119540A1 (en) * | 2023-10-06 | 2025-04-10 | Qualcomm Incorporated | Applying a scaling factor to select a filter for filtering decoded video data |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8548041B2 (en) | 2008-09-25 | 2013-10-01 | Mediatek Inc. | Adaptive filter |
| US9525884B2 (en) | 2010-11-02 | 2016-12-20 | Hfi Innovation Inc. | Method and apparatus of slice boundary filtering for high efficiency video coding |
| US9060174B2 (en) * | 2010-12-28 | 2015-06-16 | Fish Dive, Inc. | Method and system for selectively breaking prediction in video coding |
| US9641866B2 (en) | 2011-08-18 | 2017-05-02 | Qualcomm Incorporated | Applying partition-based filters |
| US20130107973A1 (en) | 2011-10-28 | 2013-05-02 | Qualcomm Incorporated | Loop filtering control over tile boundaries |
| EP2853096A4 (en) | 2012-05-21 | 2016-07-06 | Mediatek Singapore Pte Ltd | METHOD AND APPARATUS FOR FILTERING BETWEEN LAYERS FOR SCALABLE VIDEO CODING |
| US9357211B2 (en) * | 2012-12-28 | 2016-05-31 | Qualcomm Incorporated | Device and method for scalable and multiview/3D coding of video information |
| US10057574B2 (en) | 2015-02-11 | 2018-08-21 | Qualcomm Incorporated | Coding tree unit (CTU) level adaptive loop filter (ALF) |
| KR20180014675A (ko) | 2016-08-01 | 2018-02-09 | 한국전자통신연구원 | 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
| US10721469B2 (en) | 2017-11-28 | 2020-07-21 | Qualcomm Incorporated | Line buffer reduction for adaptive loop filtering in video coding |
| CN111615828B (zh) | 2017-11-29 | 2023-01-10 | 韩国电子通信研究院 | 采用环内滤波的图像编码/解码方法和装置 |
| US11570443B2 (en) * | 2018-01-25 | 2023-01-31 | Wilus Institute Of Standards And Technology Inc. | Method and apparatus for video signal processing using sub-block based motion compensation |
| US11451773B2 (en) | 2018-06-01 | 2022-09-20 | Qualcomm Incorporated | Block-based adaptive loop filter (ALF) design and signaling |
-
2020
- 2020-03-10 US US16/814,597 patent/US11910024B2/en active Active
- 2020-03-11 WO PCT/US2020/022132 patent/WO2020185919A1/en not_active Ceased
- 2020-03-11 IL IL285638A patent/IL285638B2/en unknown
- 2020-03-11 PH PH1/2021/551988A patent/PH12021551988A1/en unknown
- 2020-03-11 BR BR112021017449A patent/BR112021017449A2/pt unknown
- 2020-03-11 KR KR1020217028612A patent/KR20210135246A/ko active Pending
- 2020-03-11 MX MX2021010859A patent/MX2021010859A/es unknown
- 2020-03-11 TW TW109108071A patent/TWI845635B/zh active
- 2020-03-11 JP JP2021552913A patent/JP7507169B2/ja active Active
- 2020-03-11 AU AU2020234574A patent/AU2020234574B2/en active Active
- 2020-03-11 MY MYPI2021004688A patent/MY208959A/en unknown
- 2020-03-11 CN CN202080018563.7A patent/CN113557743B/zh active Active
- 2020-03-11 CA CA3131117A patent/CA3131117A1/en active Pending
- 2020-03-11 EP EP20716350.2A patent/EP3939321A1/en active Pending
- 2020-03-11 SG SG11202108952SA patent/SG11202108952SA/en unknown
-
2021
- 2021-08-29 SA SA521430180A patent/SA521430180B1/ar unknown
- 2021-09-08 CO CONC2021/0011792A patent/CO2021011792A2/es unknown
- 2021-09-09 CL CL2021002356A patent/CL2021002356A1/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US20200296425A1 (en) | 2020-09-17 |
| MY208959A (en) | 2025-06-13 |
| JP7507169B2 (ja) | 2024-06-27 |
| AU2020234574A1 (en) | 2021-09-16 |
| AU2020234574B2 (en) | 2025-08-28 |
| CL2021002356A1 (es) | 2022-06-10 |
| TWI845635B (zh) | 2024-06-21 |
| TW202042553A (zh) | 2020-11-16 |
| SA521430180B1 (ar) | 2024-08-28 |
| CN113557743A (zh) | 2021-10-26 |
| MX2021010859A (es) | 2021-10-22 |
| US11910024B2 (en) | 2024-02-20 |
| PH12021551988A1 (en) | 2022-08-22 |
| CN113557743B (zh) | 2025-02-11 |
| SG11202108952SA (en) | 2021-09-29 |
| BR112021017449A2 (pt) | 2021-11-16 |
| JP2022524055A (ja) | 2022-04-27 |
| KR20210135246A (ko) | 2021-11-12 |
| EP3939321A1 (en) | 2022-01-19 |
| CO2021011792A2 (es) | 2021-09-20 |
| IL285638B2 (en) | 2024-10-01 |
| IL285638A (en) | 2021-09-30 |
| IL285638B1 (en) | 2024-06-01 |
| WO2020185919A1 (en) | 2020-09-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20240311 |