JP2023123788A5 - - Google Patents
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- JP2023123788A5 JP2023123788A5 JP2023109613A JP2023109613A JP2023123788A5 JP 2023123788 A5 JP2023123788 A5 JP 2023123788A5 JP 2023109613 A JP2023109613 A JP 2023109613A JP 2023109613 A JP2023109613 A JP 2023109613A JP 2023123788 A5 JP2023123788 A5 JP 2023123788A5
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- Prior art keywords
- value
- sample
- clipping
- function
- filtering
- Prior art date
- 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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- 238000001914 filtration Methods 0.000 claims 15
- 238000000034 method Methods 0.000 claims 13
- 230000003044 adaptive effect Effects 0.000 claims 4
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1821156.5 | 2018-12-21 | ||
| GB1821156.5A GB2580173B (en) | 2018-12-21 | 2018-12-21 | A filter |
| GB1901775.5 | 2019-02-08 | ||
| GB1901775.5A GB2580190B (en) | 2018-12-21 | 2019-02-08 | Adaptive loop filter using a nonlinear function |
| PCT/EP2019/083066 WO2020126411A1 (en) | 2018-12-21 | 2019-11-29 | Adaptive loop filtering (alf) with non-linear clipping |
| JP2021528450A JP7308946B2 (ja) | 2018-12-21 | 2019-11-29 | 非線形クリッピングのアダプティブループフィルタ |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021528450A Division JP7308946B2 (ja) | 2018-12-21 | 2019-11-29 | 非線形クリッピングのアダプティブループフィルタ |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2023123788A JP2023123788A (ja) | 2023-09-05 |
| JP2023123788A5 true JP2023123788A5 (https=) | 2023-09-14 |
| JP7549709B2 JP7549709B2 (ja) | 2024-09-11 |
Family
ID=65364473
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021528450A Active JP7308946B2 (ja) | 2018-12-21 | 2019-11-29 | 非線形クリッピングのアダプティブループフィルタ |
| JP2023109613A Active JP7549709B2 (ja) | 2018-12-21 | 2023-07-03 | 非線形クリッピングのアダプティブループフィルタ |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021528450A Active JP7308946B2 (ja) | 2018-12-21 | 2019-11-29 | 非線形クリッピングのアダプティブループフィルタ |
Country Status (10)
| Country | Link |
|---|---|
| US (7) | US11750804B2 (https=) |
| EP (6) | EP3900334B1 (https=) |
| JP (2) | JP7308946B2 (https=) |
| KR (1) | KR102764983B1 (https=) |
| CN (6) | CN118354072A (https=) |
| BR (1) | BR112021012035A2 (https=) |
| ES (1) | ES3060652T3 (https=) |
| GB (2) | GB2580173B (https=) |
| TW (1) | TWI834773B (https=) |
| WO (1) | WO2020126411A1 (https=) |
Families Citing this family (38)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2580173B (en) * | 2018-12-21 | 2022-07-27 | Canon Kk | A filter |
| WO2020182620A1 (en) * | 2019-03-08 | 2020-09-17 | Canon Kabushiki Kaisha | An adaptive loop filter |
| CN113728651B (zh) | 2019-04-02 | 2022-10-25 | 北京字节跳动网络技术有限公司 | 视频处理中的自适应环路滤波 |
| CN113728626B (zh) | 2019-04-19 | 2023-05-30 | 北京字节跳动网络技术有限公司 | 不同运动矢量细化中的基于区域的梯度计算 |
| CN113711609B (zh) | 2019-04-19 | 2023-12-01 | 北京字节跳动网络技术有限公司 | 利用光流的预测细化过程中的增量运动矢量 |
| US11284114B2 (en) * | 2019-04-23 | 2022-03-22 | Qualcomm Incorporated | Adaptive loop filter set index signaling |
| US11368684B2 (en) * | 2019-04-23 | 2022-06-21 | Qualcomm Incorporated | Adaptation parameter sets (APS) for adaptive loop filter (ALF) parameters |
| 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 |
| JP6912642B2 (ja) | 2019-06-20 | 2021-08-04 | Kddi株式会社 | 画像復号装置、画像復号方法及びプログラム |
| WO2020258055A1 (zh) * | 2019-06-25 | 2020-12-30 | 北京大学 | 环路滤波的方法与装置 |
| WO2021025167A1 (en) * | 2019-08-08 | 2021-02-11 | Panasonic Intellectual Property Corporation Of America | System and method for video coding |
| US12200206B2 (en) | 2019-12-17 | 2025-01-14 | Telefonaktiebolaget Lm Ericsson (Publ) | Low complexity image filter |
| CN115299051B (zh) | 2020-03-11 | 2026-01-27 | 抖音视界有限公司 | 视频编解码的一致性窗口参数 |
| WO2021244419A1 (en) | 2020-05-31 | 2021-12-09 | Beijing Bytedance Network Technology Co., Ltd. | Constraint signaling using general constraint information syntax element |
| US12120301B2 (en) * | 2020-09-30 | 2024-10-15 | Qualcomm Incorporated | Constraining operational bit depth of adaptive loop filtering for coding of video data at different bit depth |
| JP7320573B2 (ja) * | 2020-11-18 | 2023-08-03 | Kddi株式会社 | 画像復号装置、画像復号方法及びプログラム |
| JP6941752B1 (ja) * | 2020-11-18 | 2021-09-29 | Kddi株式会社 | 画像復号装置、画像復号方法及びプログラム |
| US11546638B2 (en) * | 2020-12-08 | 2023-01-03 | Tencent America LLC | Method and apparatus for video filtering |
| WO2022155922A1 (zh) * | 2021-01-22 | 2022-07-28 | Oppo广东移动通信有限公司 | 视频编解码方法与系统、及视频编码器与视频解码器 |
| CN113852831B (zh) * | 2021-03-05 | 2023-03-28 | 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 |
| US11785213B2 (en) * | 2021-03-12 | 2023-10-10 | Tencent America LLC | Method and apparatus for video filtering |
| US11750846B2 (en) * | 2021-03-22 | 2023-09-05 | Tencent America LLC | Method and apparatus for video filtering |
| WO2023020309A1 (en) * | 2021-08-14 | 2023-02-23 | Beijing Bytedance Network Technology Co., Ltd. | Advanced fusion mode for adaptive loop filter in video coding |
| CN117882371A (zh) * | 2021-08-14 | 2024-04-12 | 抖音视界有限公司 | 视频编解码中的自适应环路滤波器的融合模式 |
| CN117813823A (zh) * | 2021-08-14 | 2024-04-02 | 抖音视界有限公司 | 视频编解码中自适应环路滤波器的改进融合模式 |
| US20260012586A1 (en) * | 2022-07-15 | 2026-01-08 | Mediatek Inc. | Method and Apparatus for Adaptive Loop Filter with Non-Local or High Degree Taps for Video Coding |
| CN119586142A (zh) * | 2022-07-18 | 2025-03-07 | 联发科技股份有限公司 | 用于视频编解码的包含抽头约束的适应性环滤波器的方法和装置 |
| WO2024082899A1 (en) * | 2022-10-18 | 2024-04-25 | Mediatek Inc. | Method and apparatus of adaptive loop filter selection for positional taps in video coding |
| US20240357095A1 (en) * | 2023-04-13 | 2024-10-24 | Qualcomm Incorporated | Adaptive video filter |
| US12445623B2 (en) * | 2023-08-14 | 2025-10-14 | Tencent America LLC | Adaptive range for clipping processes for video and image compression |
| CN117221556A (zh) * | 2023-08-22 | 2023-12-12 | 星宸科技股份有限公司 | 色度帧内预测模式的决定方法及图像编码装置 |
| CN120281910A (zh) * | 2024-01-08 | 2025-07-08 | 腾讯科技（深圳）有限公司 | 解码方法、编码方法、电子设备及存储介质 |
| WO2025185711A1 (en) * | 2024-03-07 | 2025-09-12 | Mediatek Inc. | Method and device of alternative clipping in adaptive loop filter |
| WO2026000233A1 (zh) * | 2024-06-26 | 2026-01-02 | Oppo广东移动通信有限公司 | 编解码方法、编解码器、码流以及存储介质 |
| WO2026010342A1 (ko) * | 2024-07-02 | 2026-01-08 | 삼성전자 주식회사 | 영상의 필터링 장치 및 방법 |
| WO2026007113A1 (zh) * | 2024-07-05 | 2026-01-08 | Oppo广东移动通信有限公司 | 编解码方法、码流、编码器、解码器以及存储介质 |
| WO2026021541A1 (en) * | 2024-07-24 | 2026-01-29 | Douyin Vision Co., Ltd. | Method, apparatus, and medium for video processing |
Family Cites Families (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101754010A (zh) * | 2008-12-18 | 2010-06-23 | 北京中星微电子有限公司 | 视频数据编码的环路滤波方法和滤波器 |
| KR101647376B1 (ko) * | 2009-03-30 | 2016-08-10 | 엘지전자 주식회사 | 비디오 신호 처리 방법 및 장치 |
| US8259819B2 (en) | 2009-12-10 | 2012-09-04 | Hong Kong Applied Science and Technology Research Institute Company Limited | Method and apparatus for improving video quality by utilizing a unified loop filter |
| US9094658B2 (en) | 2010-05-10 | 2015-07-28 | Mediatek Inc. | Method and apparatus of adaptive loop filtering |
| US20120183078A1 (en) | 2011-01-14 | 2012-07-19 | Samsung Electronics Co., Ltd. | Filter adaptation with directional features for video/image coding |
| JP2012213128A (ja) * | 2011-03-24 | 2012-11-01 | Sony Corp | 画像処理装置および方法 |
| US9641866B2 (en) | 2011-08-18 | 2017-05-02 | Qualcomm Incorporated | Applying partition-based filters |
| WO2013060250A1 (en) | 2011-10-24 | 2013-05-02 | Mediatek Inc. | Method and apparatus for non-cross-tile loop filtering |
| TWI652941B (zh) * | 2011-11-03 | 2019-03-01 | 太陽專利信託 | 用於解區塊之有效修整技術（二） |
| GB201119206D0 (en) | 2011-11-07 | 2011-12-21 | Canon Kk | Method and device for providing compensation offsets for a set of reconstructed samples of an image |
| US9955153B2 (en) * | 2012-01-05 | 2018-04-24 | Google Technology Holdings LLC | Devices and methods for sample adaptive offset coding |
| TWI569625B (zh) | 2012-04-06 | 2017-02-01 | Sony Corp | Image processing apparatus and method, program, and recording medium |
| EP3069511A4 (en) | 2013-11-15 | 2017-09-27 | MediaTek Inc. | Method of block-based adaptive loop filtering |
| KR102276854B1 (ko) * | 2014-07-31 | 2021-07-13 | 삼성전자주식회사 | 인루프 필터 파라미터 예측을 사용하는 비디오 부호화 방법 및 그 장치, 비디오 복호화 방법 및 그 장치 |
| MX368598B (es) * | 2015-05-20 | 2019-10-08 | Ericsson Telefon Ab L M | Procesamiento y codificacion de pixeles. |
| EP3310058B1 (en) * | 2015-06-12 | 2023-02-22 | Panasonic Intellectual Property Management Co., Ltd. | Image coding method, image decoding method, image coding device and image decoding device |
| WO2016204374A1 (ko) | 2015-06-18 | 2016-12-22 | 엘지전자 주식회사 | 영상 코딩 시스템에서 영상 필터링 방법 및 장치 |
| CA3023986A1 (en) | 2016-05-13 | 2017-11-16 | Interdigital Vc Holdings, Inc. | Method and apparatus for video coding with adaptive clipping |
| EP3244611A1 (en) * | 2016-05-13 | 2017-11-15 | Thomson Licensing | Method and apparatus for video coding with adaptive clipping of pixel values |
| EP3297282A1 (en) * | 2016-09-15 | 2018-03-21 | Thomson Licensing | Method and apparatus for video coding with adaptive clipping |
| TWI833248B (zh) | 2017-04-06 | 2024-02-21 | 美商松下電器（美國）知識產權公司 | 解碼方法及編碼方法 |
| WO2019078686A1 (ko) * | 2017-10-20 | 2019-04-25 | 한국전자통신연구원 | 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
| GB2580173B (en) * | 2018-12-21 | 2022-07-27 | Canon Kk | A filter |
| US11356662B2 (en) * | 2019-05-21 | 2022-06-07 | Qualcomm Incorporated | Simplification of clipping value calculation for adaptive loop filters |
| JP7494850B2 (ja) * | 2019-06-19 | 2024-06-04 | ソニーグループ株式会社 | 画像処理装置および方法 |
| US11997266B2 (en) * | 2019-07-26 | 2024-05-28 | Hfi Innovation Inc. | Method and apparatus of cross-component adaptive loop filtering for video coding |
| JP2021034848A (ja) * | 2019-08-22 | 2021-03-01 | シャープ株式会社 | 画像復号装置 |
| US11284115B2 (en) * | 2020-03-31 | 2022-03-22 | Sharp Kabushiki Kaisha | Systems and methods for applying adaptive loop filters in video coding |
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2018
- 2018-12-21 GB GB1821156.5A patent/GB2580173B/en active Active
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2019
- 2019-02-08 GB GB1901775.5A patent/GB2580190B/en active Active
- 2019-11-29 EP EP19813297.9A patent/EP3900334B1/en active Active
- 2019-11-29 EP EP25226911.3A patent/EP4708871A2/en active Pending
- 2019-11-29 EP EP25226919.6A patent/EP4708873A2/en active Pending
- 2019-11-29 CN CN202410366021.9A patent/CN118354072A/zh active Pending
- 2019-11-29 TW TW108143684A patent/TWI834773B/zh active
- 2019-11-29 WO PCT/EP2019/083066 patent/WO2020126411A1/en not_active Ceased
- 2019-11-29 KR KR1020217021789A patent/KR102764983B1/ko active Active
- 2019-11-29 CN CN202410366023.8A patent/CN118354073A/zh active Pending
- 2019-11-29 ES ES19813297T patent/ES3060652T3/es active Active
- 2019-11-29 US US17/415,654 patent/US11750804B2/en active Active
- 2019-11-29 BR BR112021012035-1A patent/BR112021012035A2/pt unknown
- 2019-11-29 CN CN202410366016.8A patent/CN118354071A/zh active Pending
- 2019-11-29 CN CN202410366025.7A patent/CN118354074A/zh active Pending
- 2019-11-29 EP EP25226925.3A patent/EP4708875A2/en active Pending
- 2019-11-29 EP EP25226922.0A patent/EP4708874A2/en active Pending
- 2019-11-29 CN CN202410366031.2A patent/CN118413643A/zh active Pending
- 2019-11-29 JP JP2021528450A patent/JP7308946B2/ja active Active
- 2019-11-29 EP EP25226914.7A patent/EP4708872A2/en active Pending
- 2019-11-29 CN CN201980085269.5A patent/CN113228646B/zh active Active
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2023
- 2023-07-03 JP JP2023109613A patent/JP7549709B2/ja active Active
- 2023-07-20 US US18/356,072 patent/US12284343B2/en active Active
- 2023-07-20 US US18/356,112 patent/US12250375B2/en active Active
- 2023-07-20 US US18/356,063 patent/US12250374B2/en active Active
- 2023-07-20 US US18/355,933 patent/US12052416B2/en active Active
- 2023-07-20 US US18/356,007 patent/US12250373B2/en active Active
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2025
- 2025-01-17 US US19/030,190 patent/US20250168334A1/en active Pending
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