JP2022511745A5 - - Google Patents

Info

Publication number
JP2022511745A5
JP2022511745A5 JP2021528450A JP2021528450A JP2022511745A5 JP 2022511745 A5 JP2022511745 A5 JP 2022511745A5 JP 2021528450 A JP2021528450 A JP 2021528450A JP 2021528450 A JP2021528450 A JP 2021528450A JP 2022511745 A5 JP2022511745 A5 JP 2022511745A5
Authority
JP
Japan
Prior art keywords
clipping function
max
function
clipping
vanish
Prior art date
Application number
JP2021528450A
Other languages
English (en)
Japanese (ja)
Other versions
JP2022511745A (ja
JP7308946B2 (ja
JPWO2020126411A5 (https=
Filing date
Publication date
Priority claimed from GB1821156.5A external-priority patent/GB2580173B/en
Application filed filed Critical
Publication of JP2022511745A publication Critical patent/JP2022511745A/ja
Publication of JP2022511745A5 publication Critical patent/JP2022511745A5/ja
Publication of JPWO2020126411A5 publication Critical patent/JPWO2020126411A5/ja
Priority to JP2023109613A priority Critical patent/JP7549709B2/ja
Application granted granted Critical
Publication of JP7308946B2 publication Critical patent/JP7308946B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2021528450A 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 Active JP7308946B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2023109613A 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

Applications Claiming Priority (5)

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

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2023109613A Division 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

Publications (4)

Publication Number Publication Date
JP2022511745A JP2022511745A (ja) 2022-02-01
JP2022511745A5 true JP2022511745A5 (https=) 2022-08-19
JPWO2020126411A5 JPWO2020126411A5 (https=) 2022-08-19
JP7308946B2 JP7308946B2 (ja) 2023-07-14

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 After (1)

Application Number Title Priority Date Filing Date
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

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
JP2022511745A5 (https=)
JPWO2020126411A5 (https=)
CN104244015B (zh) 用于移除视频数据中的编码伪影的方法和系统
CN102714723B (zh) 使用胶片颗粒遮蔽压缩伪影
JP2016026458A5 (https=)
US20190066272A1 (en) Techniques for synthesizing film grain
JP2019513323A5 (https=)
JPWO2019142163A5 (https=)
RU2017105059A (ru) Устройство обработки изображений, способ обработки изображений, носитель записи и программа
JP2016524417A5 (https=)
US12087032B2 (en) Image adjustment apparatus, image adjustment method, and program
JP2016538749A5 (https=)
JP2016518769A5 (https=)
JP2013008346A (ja) イメージのエッジ向上方法
TW201624414A (zh) 影像縮放技術
CN101383044A (zh) 图像中的空间扩散
JP6504174B2 (ja) 装置及び方法
EP4651491A3 (en) Filtering-based image coding and decoding methods
US9843703B2 (en) Image processing apparatus and method of controlling the same
JP6901895B2 (ja) 帯域制限装置及びプログラム
US9002133B2 (en) Multi layered image enhancement technique
JP2016511591A5 (https=)
CN114846790A (zh) 低复杂度图像滤波器
US20150117776A1 (en) Image processing apparatus and image processing method
TW201933278A (zh) 影像處理方法及影像處理裝置