CA2805722C - Method and apparatus of region-based adaptive loop filtering - Google Patents
Method and apparatus of region-based adaptive loop filtering Download PDFInfo
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
- H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods 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
- H04N19/117—Filters, e.g. for pre-processing or post-processing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods 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
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods 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
- H04N19/156—Availability of hardware or computational resources, e.g. encoding based on power-saving criteria
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods 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
- H04N19/17—Methods 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods 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
- H04N19/17—Methods 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
- H04N19/176—Methods 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods 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
- H04N19/182—Methods 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/189—Methods 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
- H04N19/19—Methods 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/46—Embedding additional information in the video signal during the compression process
- H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/70—Methods 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/80—Details 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)
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)
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)
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 |
-
2011
- 2011-09-30 CN CN201710063716.XA patent/CN107087180B/zh active Active
- 2011-09-30 CN CN201710063705.1A patent/CN106878729B/zh active Active
- 2011-09-30 WO PCT/CN2011/080408 patent/WO2012045269A1/en active Application Filing
- 2011-09-30 KR KR1020137001815A patent/KR101526349B1/ko active IP Right Grant
- 2011-09-30 EP EP11830225.6A patent/EP2625859A4/en not_active Withdrawn
- 2011-09-30 CA CA2805722A patent/CA2805722C/en active Active
- 2011-09-30 CN CN201180048246.0A patent/CN103155557B/zh active Active
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 |