JP2022511745A5 - - Google Patents

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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
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clipping function
max
function
clipping
vanish
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JP7308946B2 (ja
JP2022511745A (ja
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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)

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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
GB1901775.5A GB2580190B (en) 2018-12-21 2019-02-08 Adaptive loop filter using a nonlinear function
GB1901775.5 2019-02-08
PCT/EP2019/083066 WO2020126411A1 (en) 2018-12-21 2019-11-29 Adaptive loop filtering (alf) with non-linear clipping

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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

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JP2022511745A JP2022511745A (ja) 2022-02-01
JP2022511745A5 true JP2022511745A5 (enExample) 2022-08-19
JP7308946B2 JP7308946B2 (ja) 2023-07-14

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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

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US (7) US11750804B2 (enExample)
EP (6) EP4708871A2 (enExample)
JP (2) JP7308946B2 (enExample)
KR (1) KR102764983B1 (enExample)
CN (6) CN113228646B (enExample)
BR (1) BR112021012035A2 (enExample)
ES (1) ES3060652T3 (enExample)
GB (2) GB2580173B (enExample)
TW (1) TWI834773B (enExample)
WO (1) WO2020126411A1 (enExample)

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
CN117956148A (zh) * 2019-03-08 2024-04-30 佳能株式会社 自适应环路滤波器
KR20230165888A (ko) * 2019-04-02 2023-12-05 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 양방향 광학 흐름 기반 비디오 코딩 및 디코딩
WO2020211867A1 (en) 2019-04-19 2020-10-22 Beijing Bytedance Network Technology Co., Ltd. Delta motion vector in prediction refinement with optical flow process
CN118540470A (zh) 2019-04-19 2024-08-23 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
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
CN113766248B (zh) * 2019-06-25 2022-10-18 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
CN115462071B (zh) * 2020-03-11 2025-03-25 抖音视界有限公司 处理视频数据的方法及装置、介质、存储比特流的方法
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
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
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
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
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
WO2024012167A1 (en) * 2022-07-15 2024-01-18 Mediatek Inc. Method and apparatus for adaptive loop filter with non-local or high degree taps for video coding
WO2024017200A1 (en) * 2022-07-18 2024-01-25 Mediatek Inc. Method and apparatus for adaptive loop filter with tap constraints for video coding
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
CN103891292B (zh) 2011-10-24 2018-02-02 寰发股份有限公司 视频数据环路滤波处理方法及其装置
EP2774371B1 (en) * 2011-11-03 2020-08-26 Sun Patent Trust Efficient rounding for deblocking
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
WO2013103893A1 (en) * 2012-01-05 2013-07-11 General Instrument Corporation Devices and methods for multipass 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.
CN107736027B (zh) * 2015-06-12 2021-06-01 松下知识产权经营株式会社 图像编码方法、图像解码方法、图像编码装置及图像解码装置
WO2016204374A1 (ko) 2015-06-18 2016-12-22 엘지전자 주식회사 영상 코딩 시스템에서 영상 필터링 방법 및 장치
JP2019521571A (ja) * 2016-05-13 2019-07-25 インターデジタル ヴイシー ホールディングス， インコーポレイテッド 適応クリッピングを用いた映像コード化の方法および装置
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
US11973948B2 (en) * 2019-06-19 2024-04-30 Sony Group Corporation Image processing device and method
MX2022000992A (es) * 2019-07-26 2022-05-03 Hfi Innovation Inc Metodo y aparato de filtracion de bucle adaptativo de componentes cruzados para codificacion de video.
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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