JP2023123788A5 - - Google Patents
Download PDFInfo
- Publication number
- 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
- Authority
- JP
- Japan
- 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.)
- Granted
Links
- 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 |
| 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 |
| PCT/EP2019/083066 WO2020126411A1 (en) | 2018-12-21 | 2019-11-29 | Adaptive loop filtering (alf) with non-linear clipping |
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 (cg-RX-API-DMAC7.html) | 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 (9)
| Country | Link |
|---|---|
| US (7) | US11750804B2 (cg-RX-API-DMAC7.html) |
| EP (1) | EP3900334A1 (cg-RX-API-DMAC7.html) |
| JP (2) | JP7308946B2 (cg-RX-API-DMAC7.html) |
| KR (1) | KR102764983B1 (cg-RX-API-DMAC7.html) |
| CN (6) | CN118413643A (cg-RX-API-DMAC7.html) |
| BR (1) | BR112021012035A2 (cg-RX-API-DMAC7.html) |
| GB (2) | GB2580173B (cg-RX-API-DMAC7.html) |
| TW (1) | TWI834773B (cg-RX-API-DMAC7.html) |
| WO (1) | WO2020126411A1 (cg-RX-API-DMAC7.html) |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2580173B (en) * | 2018-12-21 | 2022-07-27 | Canon Kk | A filter |
| US11991353B2 (en) * | 2019-03-08 | 2024-05-21 | Canon Kabushiki Kaisha | Adaptive loop filter |
| WO2020200277A1 (en) * | 2019-04-02 | 2020-10-08 | Beijing Bytedance Network Technology Co., Ltd. | Adaptive loop filtering in video processing |
| WO2020211864A1 (en) | 2019-04-19 | 2020-10-22 | Beijing Bytedance Network Technology Co., Ltd. | Region based gradient calculation in different motion vector refinements |
| WO2020211867A1 (en) | 2019-04-19 | 2020-10-22 | Beijing Bytedance Network Technology Co., Ltd. | Delta motion vector in prediction refinement with optical flow process |
| US11368684B2 (en) * | 2019-04-23 | 2022-06-21 | Qualcomm Incorporated | Adaptation parameter sets (APS) for adaptive loop filter (ALF) parameters |
| US11284114B2 (en) * | 2019-04-23 | 2022-03-22 | Qualcomm Incorporated | Adaptive loop filter set index signaling |
| 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 |
| KR20240163760A (ko) * | 2019-06-25 | 2024-11-19 | 에스지 디제이아이 테크놀러지 코., 엘티디 | 루프 필터링 방법 및 장치 |
| WO2021025167A1 (en) * | 2019-08-08 | 2021-02-11 | Panasonic Intellectual Property Corporation Of America | System and method for video coding |
| CA3161484A1 (en) * | 2019-12-17 | 2021-06-24 | Jacob Strom | Low complexity image filter |
| CN115299051A (zh) * | 2020-03-11 | 2022-11-04 | 抖音视界有限公司 | 视频编解码的一致性窗口参数 |
| KR20230016655A (ko) | 2020-05-31 | 2023-02-02 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 로컬 이중 트리 모드 유형 정의가 있는 팔레트 모드 |
| 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 |
| 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 |
| 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 |
| US11546638B2 (en) * | 2020-12-08 | 2023-01-03 | Tencent America LLC | Method and apparatus for video filtering |
| CN116746152A (zh) * | 2021-01-22 | 2023-09-12 | 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 |
| CN114640858B (zh) * | 2021-03-05 | 2023-05-26 | 杭州海康威视数字技术股份有限公司 | 滤波方法、装置及设备 |
| 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 |
| WO2023020318A1 (en) * | 2021-08-14 | 2023-02-23 | Beijing Bytedance Network Technology Co., Ltd. | Fusion mode for adaptive loop filter in video coding |
| 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 |
| WO2023020309A1 (en) * | 2021-08-14 | 2023-02-23 | Beijing Bytedance Network Technology Co., Ltd. | Advanced fusion mode for adaptive loop filter in video coding |
| CN119999195A (zh) * | 2022-07-15 | 2025-05-13 | 联发科技股份有限公司 | 使用非局部或高阶抽头的适应性环路滤波器的视频编解码方法和装置 |
| 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 |
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 |
| US20140198844A1 (en) | 2011-10-24 | 2014-07-17 | Mediatek Inc. | Method and apparatus for non-cross-tile loop filtering |
| TWI568249B (zh) | 2011-11-03 | 2017-01-21 | 太陽專利信託 | 用於解區塊之有效修整技術 |
| 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 |
| TWI667913B (zh) | 2012-04-06 | 2019-08-01 | 日商新力股份有限公司 | Image processing device, image processing method, computer program, and recording medium |
| WO2015070739A1 (en) | 2013-11-15 | 2015-05-21 | 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. |
| JP6715466B2 (ja) | 2015-06-12 | 2020-07-01 | パナソニックＩｐマネジメント株式会社 | 画像符号化方法、画像復号方法、画像符号化装置および画像復号装置 |
| KR20180019549A (ko) | 2015-06-18 | 2018-02-26 | 엘지전자 주식회사 | 영상 코딩 시스템에서 영상 필터링 방법 및 장치 |
| KR20190029526A (ko) | 2016-05-13 | 2019-03-20 | 인터디지털 브이씨 홀딩스 인코포레이티드 | 적응형 클리핑에 의한 비디오 코딩을 위한 방법 및 장치 |
| 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 |
| TWI894814B (zh) | 2017-04-06 | 2025-08-21 | 美商松下電器（美國）知識產權公司 | 編碼裝置、解碼裝置、電腦可讀取之非暫時性的媒體 |
| CN115442598B (zh) * | 2017-10-20 | 2025-10-14 | 英迪股份有限公司 | 图像编码、解码方法以及存储比特流的记录介质 |
| 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 |
| CN120281922A (zh) * | 2019-06-19 | 2025-07-08 | 索尼集团公司 | 图像处理装置和方法 |
| EP4005213A4 (en) * | 2019-07-26 | 2023-05-31 | HFI Innovation Inc. | INTER-COMPONENT ADAPTIVE LOOP FILTERING METHOD AND APPARATUS 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 |
-
2018
- 2018-12-21 GB GB1821156.5A patent/GB2580173B/en active Active
-
2019
- 2019-02-08 GB GB1901775.5A patent/GB2580190B/en active Active
- 2019-11-29 EP EP19813297.9A patent/EP3900334A1/en active Pending
- 2019-11-29 CN CN202410366031.2A patent/CN118413643A/zh active Pending
- 2019-11-29 TW TW108143684A patent/TWI834773B/zh active
- 2019-11-29 CN CN202410366016.8A patent/CN118354071A/zh active Pending
- 2019-11-29 BR BR112021012035-1A patent/BR112021012035A2/pt unknown
- 2019-11-29 KR KR1020217021789A patent/KR102764983B1/ko active Active
- 2019-11-29 CN CN202410366021.9A patent/CN118354072A/zh active Pending
- 2019-11-29 CN CN202410366025.7A patent/CN118354074A/zh active Pending
- 2019-11-29 CN CN201980085269.5A patent/CN113228646B/zh active Active
- 2019-11-29 US US17/415,654 patent/US11750804B2/en active Active
- 2019-11-29 WO PCT/EP2019/083066 patent/WO2020126411A1/en not_active Ceased
- 2019-11-29 JP JP2021528450A patent/JP7308946B2/ja active Active
- 2019-11-29 CN CN202410366023.8A patent/CN118354073A/zh active Pending
-
2023
- 2023-07-03 JP JP2023109613A patent/JP7549709B2/ja active Active
- 2023-07-20 US US18/355,933 patent/US12052416B2/en active Active
- 2023-07-20 US US18/356,063 patent/US12250374B2/en active Active
- 2023-07-20 US US18/356,007 patent/US12250373B2/en active Active
- 2023-07-20 US US18/356,112 patent/US12250375B2/en active Active
- 2023-07-20 US US18/356,072 patent/US12284343B2/en active Active
-
2025
- 2025-01-17 US US19/030,190 patent/US20250168334A1/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2023123788A5 (cg-RX-API-DMAC7.html) | ||
| JP7202545B2 (ja) | オーディオ信号を処理するための方法および装置、オーディオデコーダならびにオーディオエンコーダ | |
| KR101388540B1 (ko) | 클리핑 제어를 위한 방법 및 장치 | |
| JPWO2020211770A5 (cg-RX-API-DMAC7.html) | ||
| CN112951197B (zh) | 一种音频混音方法、装置、介质及设备 | |
| KR20190085988A (ko) | 상관해제 필터들의 적응적 제어를 위한 방법 및 장치 | |
| JP4901542B2 (ja) | 音声信号生成装置及び方法 | |
| WO2012085410A1 (fr) | Filtrage perfectionne dans le domaine transforme | |
| EP4429242A3 (en) | In-loop filters for video coding | |
| CN114331926B (zh) | 基于换元思想的两通道图滤波器组系数设计优化方法 | |
| Liu et al. | Deep Learning Based Modeling of Audio Signal Enhancement and Segmentation | |
| HK40115863A (en) | Method and apparatus for processing an audio signal, computer readable medium and audio decoder | |
| den Brinker et al. | Similarities and differences between warped linear prediction and laguerre linear prediction | |
| HK40098015A (en) | Method and apparatus for processing an audio signal, computer readable medium and audio decoder | |
| CN101944890A (zh) | 音频转采样方法及其系统 | |
| HK1259289B (en) | Methods for encoding and decoding an audio signal, audio decoder and audio encoder | |
| Matsui et al. | A SYSTEM FOR BEAUTIFYING FACE IMAGES USING INTERACTIVE EVOLUTIONARY COMPUTING AND ENHANCEMENT | |
| HK1236275B (en) | Method and apparatus for processing an audio signal, audio decoder, and audio encoder | |
| HK1236275A1 (en) | Method and apparatus for processing an audio signal, audio decoder, and audio encoder |