CN102792690B - 基于分类环路滤波器的方法和装置 - Google Patents

基于分类环路滤波器的方法和装置 Download PDF

Info

Publication number
CN102792690B
CN102792690B CN201180013073.9A CN201180013073A CN102792690B CN 102792690 B CN102792690 B CN 102792690B CN 201180013073 A CN201180013073 A CN 201180013073A CN 102792690 B CN102792690 B CN 102792690B
Authority
CN
China
Prior art keywords
pixel
picture
reconstructed version
filter
classification
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
CN201180013073.9A
Other languages
English (en)
Chinese (zh)
Other versions
CN102792690A (zh
Inventor
许茜
郑云飞
尹鹏
吕小安
J.索尔
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.)
Thomson Licensing SAS
International Digital Madison Patent Holding SAS
Original Assignee
Thomson Licensing SAS
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 Thomson Licensing SAS filed Critical Thomson Licensing SAS
Priority to CN201610346302.3A priority Critical patent/CN105872554A/zh
Publication of CN102792690A publication Critical patent/CN102792690A/zh
Application granted granted Critical
Publication of CN102792690B publication Critical patent/CN102792690B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04N19/10—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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/124—Quantisation
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H04N19/45—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder performing compensation of the inverse transform mismatch, e.g. Inverse Discrete Cosine Transform [IDCT] mismatch
    • 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
    • H04N19/80—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN201180013073.9A 2010-03-09 2011-03-02 基于分类环路滤波器的方法和装置 Active CN102792690B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610346302.3A CN105872554A (zh) 2010-03-09 2011-03-02 基于分类环路滤波器的方法和装置

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US31206310P 2010-03-09 2010-03-09
US61/312,063 2010-03-09
PCT/US2011/000394 WO2011112237A1 (en) 2010-03-09 2011-03-02 Methods and apparatus for a classification-based loop filter

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201610346302.3A Division CN105872554A (zh) 2010-03-09 2011-03-02 基于分类环路滤波器的方法和装置

Publications (2)

Publication Number Publication Date
CN102792690A CN102792690A (zh) 2012-11-21
CN102792690B true CN102792690B (zh) 2016-06-15

Family

ID=44228005

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201180013073.9A Active CN102792690B (zh) 2010-03-09 2011-03-02 基于分类环路滤波器的方法和装置
CN201610346302.3A Pending CN105872554A (zh) 2010-03-09 2011-03-02 基于分类环路滤波器的方法和装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201610346302.3A Pending CN105872554A (zh) 2010-03-09 2011-03-02 基于分类环路滤波器的方法和装置

Country Status (6)

Country Link
US (1) US20120320973A1 (enExample)
EP (1) EP2545711B1 (enExample)
JP (1) JP6029984B2 (enExample)
KR (1) KR101810263B1 (enExample)
CN (2) CN102792690B (enExample)
WO (1) WO2011112237A1 (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120183078A1 (en) * 2011-01-14 2012-07-19 Samsung Electronics Co., Ltd. Filter adaptation with directional features for video/image coding
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
KR20180069789A (ko) * 2015-10-16 2018-06-25 엘지전자 주식회사 영상 코딩 시스템에서 예측 향상을 위한 필터링 방법 및 장치
US20190297320A1 (en) * 2016-05-13 2019-09-26 Sharp Kabushiki Kaisha Image decoding device and image encoding device
KR101974261B1 (ko) * 2016-06-24 2019-04-30 한국과학기술원 Cnn 기반 인루프 필터를 포함하는 부호화 방법과 장치 및 복호화 방법과 장치
KR102053242B1 (ko) * 2017-04-26 2019-12-06 강현인 압축 파라미터를 이용한 영상 복원용 머신러닝 알고리즘 및 이를 이용한 영상 복원방법
WO2019009448A1 (ko) 2017-07-06 2019-01-10 삼성전자 주식회사 영상을 부호화 또는 복호화하는 방법 및 장치
CN115941941B (zh) 2017-11-29 2025-11-21 英迪股份有限公司 采用环内滤波的图像编码/解码方法和装置
GB2572595B (en) * 2018-04-04 2023-03-22 British Broadcasting Corp Video encoding and decoding
CN109862374A (zh) * 2019-01-07 2019-06-07 北京大学 一种自适应环路滤波方法及装置
KR102154424B1 (ko) * 2019-01-18 2020-09-10 한국항공대학교산학협력단 개선된 영상 압축 시스템 및 방법
CN114175637B (zh) * 2019-07-15 2024-04-12 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
EP4018652A4 (en) 2019-09-22 2022-11-02 Beijing Bytedance Network Technology Co., Ltd. FILLING METHOD IN AN ADAPTIVE LOOP FILTER
CN112637610A (zh) * 2019-09-24 2021-04-09 富士通株式会社 去块滤波器的系数获取装置、方法以及图像编解码装置
CN117956146A (zh) 2019-10-10 2024-04-30 北京字节跳动网络技术有限公司 自适应环路滤波中不可用样点位置处的填充处理
CN113971748B (zh) * 2020-07-24 2025-04-29 中移(苏州)软件技术有限公司 图像处理方法、装置、设备及计算机可读存储介质
EP4625980A1 (en) * 2024-03-25 2025-10-01 InterDigital CE Patent Holdings, SAS Content-adapted alf band classifier
WO2025226008A1 (en) * 2024-04-22 2025-10-30 Samsung Electronics Co., Ltd. Method and apparatus for performing scalable de-quantization in a video codec

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008075247A1 (en) * 2006-12-18 2008-06-26 Koninklijke Philips Electronics N.V. Image compression and decompression

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5852475A (en) * 1995-06-06 1998-12-22 Compression Labs, Inc. Transform artifact reduction process
KR100213089B1 (ko) * 1997-01-29 1999-08-02 윤종용 루프필터링 방법 및 루프필터
US6192161B1 (en) * 1999-02-12 2001-02-20 Sony Corporation Method and apparatus for adaptive filter tap selection according to a class
US6707952B1 (en) * 2000-05-30 2004-03-16 Sharp Laboratories Of America, Inc. Method for removing ringing artifacts from locations near dominant edges of an image reconstructed after compression
EP1515567B1 (en) * 2001-09-12 2006-08-23 Matsushita Electric Industrial Co., Ltd. Image coding method and image decoding method
JP2006032999A (ja) * 2004-07-12 2006-02-02 Sharp Corp 画像復号装置及び画像復号方法
EP2001239B1 (en) * 2006-03-27 2017-09-13 Sun Patent Trust Picture coding apparatus and picture decoding apparatus
AU2006252195B8 (en) * 2006-12-21 2011-02-03 Canon Kabushiki Kaisha MPEG noise reduction
EP1944974A1 (en) * 2007-01-09 2008-07-16 Matsushita Electric Industrial Co., Ltd. Position dependent post-filter hints
US20090154567A1 (en) * 2007-12-13 2009-06-18 Shaw-Min Lei In-loop fidelity enhancement for video compression
JPWO2009110559A1 (ja) * 2008-03-07 2011-07-14 株式会社東芝 動画像符号化／復号装置
CA2715211A1 (en) * 2008-03-07 2009-09-11 Kabushiki Kaisha Toshiba Video encoding/decoding method and apparatus
JPWO2009133844A1 (ja) * 2008-04-30 2011-09-01 株式会社東芝 エッジを考慮したフィルタリング機能を備えた動画像符号化／復号化方法及び装置
US8285068B2 (en) 2008-06-25 2012-10-09 Cisco Technology, Inc. Combined deblocking and denoising filter
CN101621687B (zh) * 2008-08-18 2011-06-08 深圳市铁越电气有限公司 H.264到avs视频码流转换方法及其装置
CN101783957B (zh) * 2010-03-12 2012-04-18 清华大学 一种视频预测编码方法和装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008075247A1 (en) * 2006-12-18 2008-06-26 Koninklijke Philips Electronics N.V. Image compression and decompression

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
YU LIU ET AL..Unified Loop Filter for Video Coding.《91. MPEG Meeting；KYOTO (MOTION PICTURE EXPERT GROUP OR ISO/IEC JTC1/SC29/WG11 》.2010,sections Ⅰ.- Ⅲ.. *

Also Published As

Publication number Publication date
WO2011112237A1 (en) 2011-09-15
KR20130030254A (ko) 2013-03-26
EP2545711B1 (en) 2018-05-09
JP2013522956A (ja) 2013-06-13
KR101810263B1 (ko) 2017-12-18
EP2545711A1 (en) 2013-01-16
CN105872554A (zh) 2016-08-17
US20120320973A1 (en) 2012-12-20
CN102792690A (zh) 2012-11-21
JP6029984B2 (ja) 2016-11-24

Similar Documents

Publication Publication Date Title
CN102792690B (zh) 基于分类环路滤波器的方法和装置
US11895296B2 (en) Methods and apparatus for collaborative partition coding for region based filters
CN102292990B (zh) 对视频编码和解码进行基于稀疏性的去伪像滤波的方法和装置
CN102439975B (zh) 用于在基于稀疏性的去伪影滤波中响应于可变变换的滤波器参数的确定和选择的方法和设备
CN102349298B (zh) 用于去伪像滤波的基于区域的滤波器参数选择的方法和装置
US9357221B2 (en) Methods and apparatus for adaptive transform selection for video encoding and decoding
WO2011156250A1 (en) Learned transform and compressive sensing for video coding
CN101911704A (zh) 使用基于多格稀疏性的滤波来进行去伪像滤波的方法和设备
CN102577382B (zh) 用于视频编码器和解码器的有效自适应滤波的方法和装置
WO2011146105A1 (en) Methods and apparatus for adaptive directional filter for video restoration

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20190201

Address after: Paris France

Patentee after: International Digital Madison Patent Holding Co.

Address before: I Si Eli Murli Nor, France

Patentee before: THOMSON LICENSING

Effective date of registration: 20190201

Address after: I Si Eli Murli Nor, France

Patentee after: THOMSON LICENSING

Address before: I Si Eli Murli Nor, France

Patentee before: THOMSON LICENSING

TR01 Transfer of patent right