CN104396247B - 用于视频译码的基于lcu的自适应环路滤波的方法和装置 - Google Patents

用于视频译码的基于lcu的自适应环路滤波的方法和装置 Download PDF

Info

Publication number
CN104396247B
CN104396247B CN201380018364.6A CN201380018364A CN104396247B CN 104396247 B CN104396247 B CN 104396247B CN 201380018364 A CN201380018364 A CN 201380018364A CN 104396247 B CN104396247 B CN 104396247B
Authority
CN
China
Prior art keywords
lcu
filter
filters
indication
group
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.)
Expired - Fee Related
Application number
CN201380018364.6A
Other languages
English (en)
Chinese (zh)
Other versions
CN104396247A (zh
Inventor
钟仁肃
马尔塔·卡切维奇
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.)
Qualcomm Inc
Original Assignee
Qualcomm 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
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of CN104396247A publication Critical patent/CN104396247A/zh
Application granted granted Critical
Publication of CN104396247B publication Critical patent/CN104396247B/zh
Expired - Fee Related 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
    • H04N19/10Methods 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
    • 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
    • H04N19/136Incoming 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
    • 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
    • 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
    • H04N19/134Methods 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN201380018364.6A 2012-04-09 2013-04-09 用于视频译码的基于lcu的自适应环路滤波的方法和装置 Expired - Fee Related CN104396247B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201261621931P 2012-04-09 2012-04-09
US61/621,931 2012-04-09
US13/858,899 2013-04-08
US13/858,899 US9445088B2 (en) 2012-04-09 2013-04-08 LCU-based adaptive loop filtering for video coding
PCT/US2013/035802 WO2013155084A1 (en) 2012-04-09 2013-04-09 Lcu-based adaptive loop filtering for video coding

Publications (2)

Publication Number Publication Date
CN104396247A CN104396247A (zh) 2015-03-04
CN104396247B true CN104396247B (zh) 2017-09-08

Family

ID=49292277

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201380018364.6A Expired - Fee Related CN104396247B (zh) 2012-04-09 2013-04-09 用于视频译码的基于lcu的自适应环路滤波的方法和装置

Country Status (6)

Country Link
US (1) US9445088B2 (enExample)
EP (1) EP2837179A1 (enExample)
JP (2) JP2015515829A (enExample)
CN (1) CN104396247B (enExample)
IN (1) IN2014MN01848A (enExample)
WO (1) WO2013155084A1 (enExample)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013162450A1 (en) * 2012-04-24 2013-10-31 Telefonaktiebolaget L M Ericsson (Publ) Encoding and deriving parameters for coded multi-layer video sequences
GB2509707B (en) * 2013-01-04 2016-03-16 Canon Kk A method, device, computer program, and information storage means for encoding or decoding a video sequence
EP3138293A4 (en) 2014-04-29 2017-05-24 Microsoft Technology Licensing, LLC Encoder-side decisions for sample adaptive offset filtering
US20150365703A1 (en) * 2014-06-13 2015-12-17 Atul Puri System and method for highly content adaptive quality restoration filtering for video coding
US10057574B2 (en) * 2015-02-11 2018-08-21 Qualcomm Incorporated Coding tree unit (CTU) level adaptive loop filter (ALF)
US10701383B2 (en) 2015-06-16 2020-06-30 Lg Electronics Inc. Method for encoding/decoding image and device for same
WO2016204372A1 (ko) * 2015-06-18 2016-12-22 엘지전자 주식회사 영상 코딩 시스템에서 필터 뱅크를 이용한 영상 필터링 방법 및 장치
CN105049846B (zh) * 2015-08-14 2019-05-21 广东中星微电子有限公司 图像和视频编解码的方法和设备
US10382766B2 (en) * 2016-05-09 2019-08-13 Qualcomm Incorporated Signalling of filtering information
US20180041778A1 (en) * 2016-08-02 2018-02-08 Qualcomm Incorporated Geometry transformation-based adaptive loop filtering
EP3529985A1 (en) 2016-12-23 2019-08-28 Huawei Technologies Co., Ltd. Mixed domain collaborative post filter for lossy still image coding
WO2018117896A1 (en) 2016-12-23 2018-06-28 Huawei Technologies Co., Ltd Low complexity mixed domain collaborative in-loop filter for lossy video coding
EP3552390A1 (en) 2016-12-23 2019-10-16 Huawei Technologies Co., Ltd. Mixed domain collaborative in-loop filter for lossy video coding
DE112017006638B4 (de) 2016-12-28 2023-05-11 Arris Enterprises Llc Verbesserte Videobitstromkodierung
US10638126B2 (en) * 2017-05-05 2020-04-28 Qualcomm Incorporated Intra reference filter for video coding
CN107071496B (zh) * 2017-05-14 2020-01-17 北京工业大学 一种h.265/hevc帧间编码单元深度快速选择方法
BR112020008896A2 (pt) 2017-11-07 2020-10-20 Huawei Technologies Co., Ltd. filtro de interpolação para um aparelho e método de interpredição para codificação de vídeo
EP3711301A1 (en) 2017-11-13 2020-09-23 Huawei Technologies Co., Ltd. In-loop filter apparatus and method for video coding
CN111615828B (zh) 2017-11-29 2023-01-10 韩国电子通信研究院 采用环内滤波的图像编码/解码方法和装置
GB2582029A (en) * 2019-03-08 2020-09-09 Canon Kk An adaptive loop filter
US11159791B2 (en) * 2019-03-16 2021-10-26 Mediatek Inc. Method and apparatus for signaling adaptive loop filter parameters in video coding
CN120263967A (zh) * 2019-07-08 2025-07-04 Lg电子株式会社 解码设备、编码设备和数据发送设备
CN119948879A (zh) * 2022-09-16 2025-05-06 联发科技股份有限公司 用于具有视频编解码的非样本抽头的适应性环路滤波器的方法和装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009120040A2 (en) * 2008-03-27 2009-10-01 Lg Electronics Inc. A method and an apparatus for encoding or decoding a video signal
CN101919253A (zh) * 2008-01-08 2010-12-15 高通股份有限公司 基于水平和垂直对称的滤波系数的视频译码
CN102150427A (zh) * 2008-09-11 2011-08-10 谷歌公司 用于使用自适应环路滤波器进行视频编码的系统和方法
CN102265611A (zh) * 2010-03-15 2011-11-30 联发科技(新加坡)私人有限公司 在混合视频编码中具有多个滤波器的本地环路内滤波
CN102369731A (zh) * 2009-01-15 2012-03-07 高通股份有限公司 基于视频译码中的活动度量的滤波预测

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2262267A1 (en) * 2009-06-10 2010-12-15 Panasonic Corporation Filter coefficient coding scheme for video coding
WO2011096770A2 (ko) 2010-02-02 2011-08-11 (주)휴맥스 영상 부호화/복호화 장치 및 방법
EP2559238B1 (en) 2010-04-13 2015-06-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Adaptive image filtering method and apparatus
US9094658B2 (en) * 2010-05-10 2015-07-28 Mediatek Inc. Method and apparatus of adaptive loop filtering
US20130058421A1 (en) 2010-05-17 2013-03-07 Thomson Licensing Methods and apparatus for adaptive directional filter for video restoration
KR101550112B1 (ko) 2010-07-21 2015-09-11 텔레폰악티에볼라겟엘엠에릭슨(펍) 픽쳐 코딩 및 디코딩
US20120039383A1 (en) * 2010-08-12 2012-02-16 Mediatek Inc. Coding unit synchronous adaptive loop filter flags
US20120044992A1 (en) * 2010-08-17 2012-02-23 Qualcomm Incorporated Low complexity adaptive filter
US9001883B2 (en) * 2011-02-16 2015-04-07 Mediatek Inc Method and apparatus for slice common information sharing
PT2882190T (pt) 2011-04-21 2019-02-25 Hfi Innovation Inc Método e aparelho para filtragem em laço melhorada
US9747255B2 (en) 2011-05-13 2017-08-29 Texas Instruments Incorporated Inverse transformation using pruning for video coding

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101919253A (zh) * 2008-01-08 2010-12-15 高通股份有限公司 基于水平和垂直对称的滤波系数的视频译码
WO2009120040A2 (en) * 2008-03-27 2009-10-01 Lg Electronics Inc. A method and an apparatus for encoding or decoding a video signal
CN102150427A (zh) * 2008-09-11 2011-08-10 谷歌公司 用于使用自适应环路滤波器进行视频编码的系统和方法
CN102369731A (zh) * 2009-01-15 2012-03-07 高通股份有限公司 基于视频译码中的活动度量的滤波预测
CN102265611A (zh) * 2010-03-15 2011-11-30 联发科技(新加坡)私人有限公司 在混合视频编码中具有多个滤波器的本地环路内滤波

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CE8 Subset2:A Joint Proposal on Improving the Adaptive Loop Filter in TMuC0.9 by MediaTek,Qualcomn,and Toshiba;Ching-Yeh Chen et al;《Joint Collaborative Team on Video Coding(JCT-VC) of IUT-T SG16 WP3 and ISO/IEC JTC1/SC29/WG11 4th Meeting:Daegu,KR,20-28 January,2011》;20110128;正文第1-17页 *

Also Published As

Publication number Publication date
WO2013155084A1 (en) 2013-10-17
US9445088B2 (en) 2016-09-13
US20130266059A1 (en) 2013-10-10
IN2014MN01848A (enExample) 2015-07-03
JP2018078569A (ja) 2018-05-17
CN104396247A (zh) 2015-03-04
EP2837179A1 (en) 2015-02-18
JP2015515829A (ja) 2015-05-28

Similar Documents

Publication Publication Date Title
CN104396247B (zh) 用于视频译码的基于lcu的自适应环路滤波的方法和装置
TWI776818B (zh) 用於視頻寫碼之線性模型色度內預測
TWI766844B (zh) 針對視訊寫碼使用與位置相關之預測組合之改良視訊幀內預測
CN104685876B (zh) 用于视频译码中的4:2:2样本格式的经译码块旗标(cbf)译码
EP2781095B1 (en) Adaptive overlapped block motion compensation
CN103140877B (zh) 使用帧内预测的视频译码
AU2012328924C1 (en) Determining boundary strength values for deblocking filtering for video coding
CN104012091B (zh) 用于译码视频数据的方法、装置及设备
CN103999460B (zh) 在变换跳过模式中译码有效系数信息的方法和装置
AU2012335896B2 (en) Signaling quantization matrices for video coding
DK2805494T3 (en) Signaling opbrydnings filter parameters in video coding
KR102182441B1 (ko) 비디오 코딩에서 hevc 확장들을 위한 다중 계층들의 저복잡도 지원
EP2984827B1 (en) Sample adaptive offset scaling based on bit-depth
AU2016271130A1 (en) Coding data using an enhanced context-adaptive binary arithmetic coding (CABAC) design
WO2014100603A1 (en) Multi-type parallelized sample adaptive offset in video coding
WO2013151765A1 (en) Weighted prediction parameter coding
CN114080805A (zh) 用于视频译码的自适应环路滤波的非线性扩展
KR20150110516A (ko) 라인 버퍼가 감소된 디블로킹 필터

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170908

Termination date: 20190409