KR102761095B1 - 비디오 코딩을 위한 적응형 루프 필터링 - Google Patents

비디오 코딩을 위한 적응형 루프 필터링 Download PDF

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KR102761095B1
KR102761095B1 KR1020217030932A KR20217030932A KR102761095B1 KR 102761095 B1 KR102761095 B1 KR 102761095B1 KR 1020217030932 A KR1020217030932 A KR 1020217030932A KR 20217030932 A KR20217030932 A KR 20217030932A KR 102761095 B1 KR102761095 B1 KR 102761095B1
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홍빈 리우
리 창
카이 창
시아오 치앙 추앙
지핀 뎅
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두인 비전 컴퍼니 리미티드
바이트댄스 아이엔씨
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/117Filters, e.g. for pre-processing or post-processing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • H04N19/14Coding unit complexity, e.g. amount of activity or edge presence estimation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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 block, e.g. a macroblock
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/184Methods 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 bits, e.g. of the compressed video stream
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/186Methods 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 colour or a chrominance component
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop

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  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020217030932A 2019-04-16 2020-04-16 비디오 코딩을 위한 적응형 루프 필터링 Active KR102761095B1 (ko)

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CN2019082855 2019-04-16
CNPCT/CN2019/082855 2019-04-16
PCT/CN2020/085075 WO2020211810A1 (en) 2019-04-16 2020-04-16 On adaptive loop filtering for video coding

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Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11051017B2 (en) * 2018-12-20 2021-06-29 Qualcomm Incorporated Adaptive loop filter (ALF) index signaling
WO2020224525A1 (en) * 2019-05-03 2020-11-12 Mediatek Inc. Methods and apparatuses of syntax signaling and referencing constraint in video coding system
KR20220016839A (ko) 2019-06-04 2022-02-10 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 기하학적 분할 모드 코딩을 갖는 모션 후보 리스트
CN117395397A (zh) 2019-06-04 2024-01-12 北京字节跳动网络技术有限公司 使用临近块信息的运动候选列表构建
EP3970366B1 (en) 2019-06-14 2025-12-10 Beijing Bytedance Network Technology Co., Ltd. Handling video unit boundaries and virtual boundaries
CN117478878A (zh) 2019-07-09 2024-01-30 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
EP3984223A4 (en) 2019-07-11 2022-11-09 Beijing Bytedance Network Technology Co., Ltd. SAMPLE PADDING IN AN ADAPTIVE LOOP FILTERING
CN114128258B (zh) 2019-07-14 2023-12-22 北京字节跳动网络技术有限公司 视频编解码中的变换块尺寸的限制
CN117676168A (zh) 2019-07-15 2024-03-08 北京字节跳动网络技术有限公司 自适应环路滤波中的分类
EP4014495A4 (en) 2019-09-14 2022-11-02 ByteDance Inc. CHROMINANCE QUANTIFICATION PARAMETER IN VIDEO CODING
KR102707780B1 (ko) 2019-09-18 2024-09-20 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 비디오 코딩에서 적응형 루프 필터의 2-파트 시그널링
CN117278747A (zh) 2019-09-22 2023-12-22 北京字节跳动网络技术有限公司 自适应环路滤波中的填充过程
KR102721536B1 (ko) 2019-09-27 2024-10-25 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 상이한 비디오 유닛들 간의 적응적 루프 필터링
WO2021057996A1 (en) 2019-09-28 2021-04-01 Beijing Bytedance Network Technology Co., Ltd. Geometric partitioning mode in video coding
WO2021072177A1 (en) 2019-10-09 2021-04-15 Bytedance Inc. Cross-component adaptive loop filtering in video coding
JP7454042B2 (ja) 2019-10-10 2024-03-21 北京字節跳動網絡技術有限公司 適応ループ・フィルタリングにおける利用可能でないサンプル位置でのパディング・プロセス
KR20220073746A (ko) 2019-10-14 2022-06-03 바이트댄스 아이엔씨 비디오 처리에서 크로마 양자화 파라미터 사용
WO2021083257A1 (en) 2019-10-29 2021-05-06 Beijing Bytedance Network Technology Co., Ltd. Cross-component adaptive loop filter
CN114930832B (zh) 2019-11-30 2025-10-28 抖音视界(北京)有限公司 跨分量自适应滤波和子块编解码
WO2021118977A1 (en) 2019-12-09 2021-06-17 Bytedance Inc. Using quantization groups in video coding
JP7393550B2 (ja) 2019-12-11 2023-12-06 北京字節跳動網絡技術有限公司 クロス成分適応ループフィルタリングのためのサンプルパディング
CN114902657B (zh) 2019-12-31 2025-06-13 字节跳动有限公司 视频编解码中的自适应颜色变换
KR102750625B1 (ko) 2020-01-05 2025-01-09 두인 비전 컴퍼니 리미티드 비디오 코딩을 위한 일반적인 제약 정보
WO2021143896A1 (en) 2020-01-18 2021-07-22 Beijing Bytedance Network Technology Co., Ltd. Adaptive colour transform in image/video coding
WO2021180022A1 (en) 2020-03-07 2021-09-16 Beijing Bytedance Network Technology Co., Ltd. Handling of transform skip mode in video coding
EP4173290A4 (en) 2020-06-30 2024-01-10 Beijing Bytedance Network Technology Co., Ltd. BOUNDARY LOCATION FOR ADAPTIVE LOOP FILTERING
WO2022037700A1 (en) 2020-08-21 2022-02-24 Beijing Bytedance Network Technology Co., Ltd. Coding mode dependent selection of transform skip mode
CN116601953A (zh) 2020-11-24 2023-08-15 抖音视界有限公司 编解码视频中的位置相关系数重新排序
US11863742B2 (en) 2020-12-03 2024-01-02 Alibaba Group Holding Limited Method for using adaptive loop filter and system thereof
EP4268458A1 (en) * 2020-12-23 2023-11-01 QUALCOMM Incorporated Adaptive loop filter with fixed filters
CN117121481A (zh) 2021-03-17 2023-11-24 抖音视界有限公司 单独树编解码限制
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
WO2023051561A1 (en) * 2021-09-29 2023-04-06 Beijing Bytedance Network Technology Co., Ltd. Method, apparatus, and medium for video processing
US12395628B2 (en) * 2022-03-11 2025-08-19 Qualcomm Incorporated Adaptive loop filter with samples before deblocking filter and samples before sample adaptive offsets
CN114401020B (zh) * 2022-03-25 2022-07-01 北京航空航天大学 基于多维维纳霍夫方程的高速非理想信道自适应补偿方法
WO2024017200A1 (en) * 2022-07-18 2024-01-25 Mediatek Inc. Method and apparatus for adaptive loop filter with tap constraints for video coding
US12425572B2 (en) * 2022-10-20 2025-09-23 Tencent America LLC Local illumination compensation
WO2024128644A1 (en) * 2022-12-13 2024-06-20 Samsung Electronics Co., Ltd. Method, and electronic device for processing a video
CN121040052A (zh) * 2023-04-26 2025-11-28 抖音视界有限公司 用于视频处理的方法、装置和介质
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
WO2026007116A1 (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
WO2026007119A1 (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
WO2026011430A1 (zh) * 2024-07-12 2026-01-15 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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130259118A1 (en) 2011-04-21 2013-10-03 Mediatek Inc. Method and Apparatus for Improved In-Loop Filtering
US20180192050A1 (en) 2017-01-04 2018-07-05 Qualcomm Incorporated Modified adaptive loop filter temporal prediction for temporal scalability support

Family Cites Families (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070058713A1 (en) 2005-09-14 2007-03-15 Microsoft Corporation Arbitrary resolution change downsizing decoder
CN101558652B (zh) 2006-10-20 2011-08-17 诺基亚公司 用于实现低复杂度多视点视频编码的系统和方法
US20090116558A1 (en) 2007-10-15 2009-05-07 Nokia Corporation Motion skip and single-loop encoding for multi-view video content
KR101682147B1 (ko) * 2010-04-05 2016-12-05 삼성전자주식회사 변환 및 역변환에 기초한 보간 방법 및 장치
KR20150013776A (ko) 2010-04-09 2015-02-05 미쓰비시덴키 가부시키가이샤 동화상 부호화 장치 및 동화상 복호 장치
CN107172424B (zh) * 2011-03-30 2020-04-14 Lg 电子株式会社 环路滤波方法及其设备
KR101539312B1 (ko) * 2011-05-27 2015-07-24 미디어텍 인크. 비디오 프로세싱에 대한 라인 버퍼 감소를 위한 방법 및 장치
CN102857746B (zh) * 2011-06-28 2017-03-29 中兴通讯股份有限公司 环路滤波编解码方法及装置
US9432700B2 (en) * 2011-09-27 2016-08-30 Broadcom Corporation Adaptive loop filtering in accordance with video coding
US9357235B2 (en) * 2011-10-13 2016-05-31 Qualcomm Incorporated Sample adaptive offset merged with adaptive loop filter in video coding
US20130107973A1 (en) 2011-10-28 2013-05-02 Qualcomm Incorporated Loop filtering control over tile boundaries
CN103096054B (zh) * 2011-11-04 2015-07-08 华为技术有限公司 一种视频图像滤波处理方法和装置
GB2561782B (en) * 2011-11-08 2019-01-16 Kt Corp Method and apparatus for encoding image, and method and apparatus for decoding image
JP2015080002A (ja) * 2012-01-19 2015-04-23 三菱電機株式会社 動画像符号化装置、動画像復号装置、動画像符号化方法及び動画像復号方法
WO2013145174A1 (ja) * 2012-03-28 2013-10-03 株式会社 東芝 動画像符号化方法、動画像復号方法、動画像符号化装置及び動画像復号装置
US9591331B2 (en) 2012-03-28 2017-03-07 Qualcomm Incorporated Merge signaling and loop filter on/off signaling
WO2013144144A1 (en) * 2012-03-30 2013-10-03 Panasonic Corporation Syntax and semantics for adaptive loop filter and sample adaptive offset
GB2501535A (en) * 2012-04-26 2013-10-30 Sony Corp Chrominance Processing in High Efficiency Video Codecs
TW201507443A (zh) 2013-05-15 2015-02-16 Vid Scale Inc 基於單迴路解碼之多層視訊編碼
US20150049821A1 (en) 2013-08-16 2015-02-19 Qualcomm Incorporated In-loop depth map filtering for 3d video coding
JP6359101B2 (ja) 2013-10-14 2018-07-18 マイクロソフト テクノロジー ライセンシング,エルエルシー ビデオ及び画像の符号化及び復号のためのイントラブロックコピー予測モードの特徴
KR101947151B1 (ko) * 2014-03-14 2019-05-10 브이아이디 스케일, 인크. Rgb 비디오 코딩 향상을 위한 시스템 및 방법
US9736481B2 (en) 2014-03-14 2017-08-15 Qualcomm Incorporated Quantization parameters for color-space conversion coding
KR102355224B1 (ko) 2014-03-16 2022-01-25 브이아이디 스케일, 인크. 무손실 비디오 코딩의 시그널링을 위한 방법 및 장치
US10063867B2 (en) 2014-06-18 2018-08-28 Qualcomm Incorporated Signaling HRD parameters for bitstream partitions
US10057574B2 (en) * 2015-02-11 2018-08-21 Qualcomm Incorporated Coding tree unit (CTU) level adaptive loop filter (ALF)
CN104735450B (zh) * 2015-02-26 2019-06-07 北京大学 一种在视频编解码中进行自适应环路滤波的方法及装置
US11405611B2 (en) * 2016-02-15 2022-08-02 Qualcomm Incorporated Predicting filter coefficients from fixed filters for video coding
CN116962721A (zh) 2016-05-04 2023-10-27 微软技术许可有限责任公司 利用样本值的非相邻参考线进行帧内图片预测的方法
EP3453178A1 (en) 2016-05-06 2019-03-13 VID SCALE, Inc. Systems and methods for motion compensated residual prediction
WO2017195532A1 (ja) * 2016-05-13 2017-11-16 シャープ株式会社 画像復号装置及び画像符号化装置
US20180041778A1 (en) 2016-08-02 2018-02-08 Qualcomm Incorporated Geometry transformation-based adaptive loop filtering
EP3297282A1 (en) * 2016-09-15 2018-03-21 Thomson Licensing Method and apparatus for video coding with adaptive clipping
US10694202B2 (en) 2016-12-01 2020-06-23 Qualcomm Incorporated Indication of bilateral filter usage in video coding
US10708591B2 (en) * 2017-03-20 2020-07-07 Qualcomm Incorporated Enhanced deblocking filtering design in video coding
US10440396B2 (en) * 2017-03-28 2019-10-08 Qualcomm Incorporated Filter information sharing among color components
US10567768B2 (en) * 2017-04-14 2020-02-18 Apple Inc. Techniques for calculation of quantization matrices in video coding
US20180359486A1 (en) * 2017-06-07 2018-12-13 Mediatek Inc. Non-local adaptive loop filter processing
US10778974B2 (en) * 2017-07-05 2020-09-15 Qualcomm Incorporated Adaptive loop filter with enhanced classification methods
EP4676052A3 (en) 2017-11-01 2026-03-25 InterDigital VC Holdings, Inc. Methods for simplifying adaptive loop filter in video coding
US10721469B2 (en) 2017-11-28 2020-07-21 Qualcomm Incorporated Line buffer reduction for adaptive loop filtering in video coding
US11432010B2 (en) 2017-12-19 2022-08-30 Vid Scale, Inc. Face discontinuity filtering for 360-degree video coding
US20190238845A1 (en) 2018-01-26 2019-08-01 Qualcomm Incorporated Adaptive loop filtering on deblocking filter results in video coding
US20190306502A1 (en) 2018-04-02 2019-10-03 Qualcomm Incorporated System and method for improved adaptive loop filtering
CN109031227B (zh) * 2018-06-25 2021-03-23 深圳大学 一种共轭梯度空时自适应处理方法及系统
WO2020143824A1 (en) 2019-01-13 2020-07-16 Beijing Bytedance Network Technology Co., Ltd. Interaction between lut and shared merge list

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130259118A1 (en) 2011-04-21 2013-10-03 Mediatek Inc. Method and Apparatus for Improved In-Loop Filtering
US20180192050A1 (en) 2017-01-04 2018-07-05 Qualcomm Incorporated Modified adaptive loop filter temporal prediction for temporal scalability support

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EP3928516A1 (en) 2021-12-29
JP2023179557A (ja) 2023-12-19
JP2022527012A (ja) 2022-05-27
CN117499679A (zh) 2024-02-02
JP7701271B2 (ja) 2025-07-01
WO2020211810A1 (en) 2020-10-22
KR20210145749A (ko) 2021-12-02
EP3928516A4 (en) 2022-06-15
CN113767623A (zh) 2021-12-07
US11611747B2 (en) 2023-03-21
US20230217021A1 (en) 2023-07-06
CN113767632A (zh) 2021-12-07
US20210385446A1 (en) 2021-12-09
WO2020211809A1 (en) 2020-10-22
CN113767623B (zh) 2024-04-02
CN113767632B (zh) 2023-08-25

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