CA2805722C - Method and apparatus of region-based adaptive loop filtering - Google Patents

Method and apparatus of region-based adaptive loop filtering Download PDF

Info

Publication number
CA2805722C
CA2805722C CA2805722A CA2805722A CA2805722C CA 2805722 C CA2805722 C CA 2805722C CA 2805722 A CA2805722 A CA 2805722A CA 2805722 A CA2805722 A CA 2805722A CA 2805722 C CA2805722 C CA 2805722C
Authority
CA
Canada
Prior art keywords
region
regions
alf
boundary
filter
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.)
Active
Application number
CA2805722A
Other languages
English (en)
French (fr)
Other versions
CA2805722A1 (en
Inventor
Ching-Yeh Chen
Chih-Ming Fu
Chia-Yang Tsai
Yu-Wen Huang
Shaw-Min Lei
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HFI Innovation Inc
Original Assignee
MediaTek Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US13/093,068 external-priority patent/US9094658B2/en
Priority claimed from US13/158,427 external-priority patent/US9055305B2/en
Priority claimed from US13/177,343 external-priority patent/US8861617B2/en
Application filed by MediaTek Inc filed Critical MediaTek Inc
Publication of CA2805722A1 publication Critical patent/CA2805722A1/en
Application granted granted Critical
Publication of CA2805722C publication Critical patent/CA2805722C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • H04N19/134Methods 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
    • H04N19/146Data rate or code amount at the encoder output
    • H04N19/147Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/156Availability of hardware or computational resources, e.g. encoding based on power-saving criteria
    • 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
    • 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
    • H04N19/182Methods 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 pixel
    • 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
    • H04N19/189Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/19Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding using optimisation based on Lagrange multipliers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process
    • H04N19/463Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CA2805722A 2010-10-05 2011-09-30 Method and apparatus of region-based adaptive loop filtering Active CA2805722C (en)

Applications Claiming Priority (15)

Application Number Priority Date Filing Date Title
US39006810P 2010-10-05 2010-10-05
US61/390,068 2010-10-05
US42172910P 2010-12-10 2010-12-10
US61/421,729 2010-12-10
US201161429313P 2011-01-03 2011-01-03
US61/429,313 2011-01-03
US201161454829P 2011-03-21 2011-03-21
US61/454,829 2011-03-21
US13/093,068 2011-04-25
US13/093,068 US9094658B2 (en) 2010-05-10 2011-04-25 Method and apparatus of adaptive loop filtering
US13/158,427 2011-06-12
US13/158,427 US9055305B2 (en) 2011-01-09 2011-06-12 Apparatus and method of sample adaptive offset for video coding
US13/177,343 US8861617B2 (en) 2010-10-05 2011-07-06 Method and apparatus of region-based adaptive loop filtering
US13/177,343 2011-07-06
PCT/CN2011/080408 WO2012045269A1 (en) 2010-10-05 2011-09-30 Method and apparatus of region-based adaptive loop filtering

Publications (2)

Publication Number Publication Date
CA2805722A1 CA2805722A1 (en) 2012-04-12
CA2805722C true CA2805722C (en) 2016-03-29

Family

ID=45927217

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2805722A Active CA2805722C (en) 2010-10-05 2011-09-30 Method and apparatus of region-based adaptive loop filtering

Country Status (5)

Country Link
EP (1) EP2625859A4 (zh)
KR (1) KR101526349B1 (zh)
CN (3) CN107087180B (zh)
CA (1) CA2805722C (zh)
WO (1) WO2012045269A1 (zh)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP6226863B2 (ja) * 2012-04-13 2017-11-08 三菱電機株式会社 画像符号化装置、画像復号装置、画像符号化方法及び画像復号方法
SI2697973T1 (sl) * 2012-04-16 2017-11-30 Hfi Innovation Inc. Postopek in naprava za zančno filtriranje preko meja rezine ali ploščice
CA3217710A1 (en) * 2012-05-25 2013-11-28 Sun Patent Trust Image encoding and decoding using context adaptive binary arithmetic coding with a bypass mode
CN106851275A (zh) * 2012-05-29 2017-06-13 寰发股份有限公司 视频数据的自适应采样点偏移的处理装置及方法
SG10201510803WA (en) * 2012-06-11 2016-01-28 Samsung Electronics Co Ltd Method and Apparatus for Encoding Videos Sharing SAO Parameter According to Color Component
US9386307B2 (en) * 2012-06-14 2016-07-05 Qualcomm Incorporated Grouping of bypass-coded bins for SAO syntax elements
CN103338374B (zh) 2013-06-21 2016-07-06 华为技术有限公司 图像处理方法及装置
JP6328759B2 (ja) 2013-07-15 2018-05-23 寰發股▲ふん▼有限公司HFI Innovation Inc. ビデオ符号化のサンプル適応オフセット処理の方法
CN104486630B (zh) * 2014-12-16 2017-10-20 北京金山云网络技术有限公司 H.265视频编码中sao模式下偏移量的统计方法
CN104602026B (zh) * 2015-01-22 2017-12-01 复旦大学 一种适用于hevc标准下编码器中全复用的重建环路结构
US9872026B2 (en) * 2015-06-12 2018-01-16 Intel Corporation Sample adaptive offset coding
US11146788B2 (en) 2015-06-12 2021-10-12 Qualcomm Incorporated Grouping palette bypass bins for video coding
KR20180019549A (ko) 2015-06-18 2018-02-26 엘지전자 주식회사 영상 코딩 시스템에서 영상 필터링 방법 및 장치
CN105357538B (zh) * 2015-11-26 2020-01-03 广东中星微电子有限公司 自适应环路滤波方法和装置
CN113994671B (zh) 2019-06-14 2024-05-10 北京字节跳动网络技术有限公司 基于颜色格式处理视频单元边界和虚拟边界
CN114424539A (zh) 2019-06-14 2022-04-29 北京字节跳动网络技术有限公司 处理视频单元边界和虚拟边界
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
JP7291845B2 (ja) 2019-07-11 2023-06-15 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サンプルパディング
WO2021008546A1 (en) 2019-07-15 2021-01-21 Beijing Bytedance Network Technology Co., Ltd. Accessing samples across video unit boundaries in adaptive loop filtering
KR20220061980A (ko) 2019-09-22 2022-05-13 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 적응적 루프 필터링에서의 패딩 프로세스
KR20220063177A (ko) 2019-09-27 2022-05-17 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 상이한 비디오 유닛들 간의 적응적 루프 필터링
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
CN110809158B (zh) * 2019-11-12 2021-06-01 腾讯科技(深圳)有限公司 图像环路滤波处理方法、装置
CN111314711B (zh) * 2020-03-31 2021-05-14 电子科技大学 一种基于自适应自导向滤波的环路滤波方法
US11463691B2 (en) * 2020-06-03 2022-10-04 Tencent America LLC Region adaptive loop filter for video coding
CN114615494A (zh) * 2020-12-04 2022-06-10 咪咕文化科技有限公司 一种图像处理方法、装置及设备
WO2022191525A1 (ko) * 2021-03-08 2022-09-15 현대자동차주식회사 나선스캔 순서를 이용하는 비디오 코딩방법 및 장치
CN114368150B (zh) * 2021-12-22 2022-11-11 鑫精合激光科技发展(北京)有限公司 一种三维打印方法及计算机存储介质
WO2023225854A1 (zh) * 2022-05-24 2023-11-30 Oppo广东移动通信有限公司 一种环路滤波方法、视频编解码方法、装置和系统

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2899977A1 (en) * 2002-01-31 2015-07-29 Samsung Electronics Co., Ltd Filtering method and apparatus for reducing block artifacts or ringing noise
EP1980112B1 (en) * 2006-02-02 2012-10-24 Thomson Licensing Method and apparatus for adaptive weight selection for motion compensated prediction
CN105376567A (zh) * 2006-11-08 2016-03-02 汤姆逊许可证公司 用于环内去伪影滤波的方法和设备
CN101321277A (zh) * 2007-06-09 2008-12-10 华为技术有限公司 去块效应的方法及装置
US9967590B2 (en) * 2008-04-10 2018-05-08 Qualcomm Incorporated Rate-distortion defined interpolation for video coding based on fixed filter or adaptive filter
US9924184B2 (en) * 2008-06-30 2018-03-20 Microsoft Technology Licensing, Llc Error detection, protection and recovery for video decoding
CN101635849B (zh) * 2008-07-24 2011-11-16 青岛海信信芯科技有限公司 一种环路滤波方法及环路滤波器
US8326075B2 (en) * 2008-09-11 2012-12-04 Google Inc. System and method for video encoding using adaptive loop filter
US8548041B2 (en) * 2008-09-25 2013-10-01 Mediatek Inc. Adaptive filter
CN101742292B (zh) * 2008-11-14 2013-03-27 北京中星微电子有限公司 基于图像内容信息的环路滤波方法和滤波器
CN201345710Y (zh) * 2008-12-31 2009-11-11 暨南大学 一种适用于视频解码的环路滤波器
CN101651829A (zh) * 2009-06-29 2010-02-17 北京中星微电子有限公司 一种环路滤波的方法、装置及一种移动多媒体终端芯片
JP5359657B2 (ja) * 2009-07-31 2013-12-04 ソニー株式会社 画像符号化装置および方法、記録媒体、並びにプログラム

Also Published As

Publication number Publication date
EP2625859A4 (en) 2016-03-02
CN103155557B (zh) 2017-03-01
CN103155557A (zh) 2013-06-12
CN107087180A (zh) 2017-08-22
EP2625859A1 (en) 2013-08-14
WO2012045269A1 (en) 2012-04-12
CA2805722A1 (en) 2012-04-12
KR20130030294A (ko) 2013-03-26
CN106878729A (zh) 2017-06-20
KR101526349B1 (ko) 2015-06-05
CN106878729B (zh) 2019-09-24
CN107087180B (zh) 2019-10-29

Similar Documents

Publication Publication Date Title
CA2805722C (en) Method and apparatus of region-based adaptive loop filtering
US8861617B2 (en) Method and apparatus of region-based adaptive loop filtering
US9998737B2 (en) Method and apparatus of adaptive loop filtering
EP2787728B1 (en) Method for inducing a merge candidate block
AU2011313735B2 (en) Method and apparatus of adaptive loop filtering
CN113228638B (zh) 在区块分割中条件式编码或解码视频区块的方法和装置
WO2020239038A1 (en) Video processing methods and apparatuses for determining deblocking filter decision in video coding systems
CN110771166B (zh) 帧内预测装置和方法、编码、解码装置、存储介质
KR20180080115A (ko) 참조 화소에 대하여 적응적 필터링을 수행하기 위한 화면 내 예측 방법 및 장치
US11233991B2 (en) Devices and methods for intra prediction in video coding
KR20180080114A (ko) 예측 블록의 중복성을 고려한 화면 내 예측 방법 및 화면 내 예측을 수행하는 영상 복호화 장치
WO2024016955A1 (en) Out-of-boundary check in video coding
CA3093048C (en) Inter prediction apparatus and method for video coding

Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20130116