BRPI0812190A2 - Métodos e aparelho para filtração de remoção de artefatos em loop com base em filtração baseada em dispersão de múltiplas treliças - Google Patents

Métodos e aparelho para filtração de remoção de artefatos em loop com base em filtração baseada em dispersão de múltiplas treliças

Info

Publication number
BRPI0812190A2
BRPI0812190A2 BRPI0812190-7A2A BRPI0812190A BRPI0812190A2 BR PI0812190 A2 BRPI0812190 A2 BR PI0812190A2 BR PI0812190 A BRPI0812190 A BR PI0812190A BR PI0812190 A2 BRPI0812190 A2 BR PI0812190A2
Authority
BR
Brazil
Prior art keywords
trelition
artification
loop
methods
filtering based
Prior art date
Application number
BRPI0812190-7A2A
Other languages
English (en)
Inventor
Oscar Divorra Escoda
Peng Yin
Original Assignee
Thomson Licensing
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 filed Critical Thomson Licensing
Publication of BRPI0812190A2 publication Critical patent/BRPI0812190A2/pt

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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
    • H04N19/154Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/174Methods 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 slice, e.g. a line of blocks or a group of blocks
    • 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
    • H04N19/46Embedding 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
    • H04N19/60Methods 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
    • 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
    • H04N19/85Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BRPI0812190-7A2A 2007-06-08 2008-06-03 Métodos e aparelho para filtração de remoção de artefatos em loop com base em filtração baseada em dispersão de múltiplas treliças BRPI0812190A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US94268607P 2007-06-08 2007-06-08
PCT/US2008/006971 WO2008153856A1 (en) 2007-06-08 2008-06-03 Methods and apparatus for in-loop de-artifacting filtering based on multi-lattice sparsity-based filtering

Publications (1)

Publication Number Publication Date
BRPI0812190A2 true BRPI0812190A2 (pt) 2014-11-18

Family

ID=39847062

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0812190-7A2A BRPI0812190A2 (pt) 2007-06-08 2008-06-03 Métodos e aparelho para filtração de remoção de artefatos em loop com base em filtração baseada em dispersão de múltiplas treliças

Country Status (7)

Country Link
US (1) US20100128803A1 (pt)
EP (1) EP2160901A1 (pt)
JP (1) JP5345139B2 (pt)
KR (1) KR101554906B1 (pt)
CN (1) CN101779464B (pt)
BR (1) BRPI0812190A2 (pt)
WO (1) WO2008153856A1 (pt)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7724827B2 (en) 2003-09-07 2010-05-25 Microsoft Corporation Multi-layer run level encoding and decoding
KR20100103822A (ko) * 2008-01-14 2010-09-28 톰슨 라이센싱 다중 격자 성김-기반의 필터링을 사용하는 아티팩트 제거 필터링 방법 및 장치
JP2012510202A (ja) * 2008-11-25 2012-04-26 トムソン ライセンシング ビデオ符号化および復号のためのスパース性に基づくアーティファクト除去フィルタリングを行う方法および装置
CN106954072B (zh) * 2009-03-12 2020-05-05 交互数字麦迪逊专利控股公司 去伪像滤波的基于区域的滤波器参数选择的方法和装置
KR101378749B1 (ko) * 2009-04-14 2014-03-28 톰슨 라이센싱 성김에 기반한 아티팩트 제거 필터링에서 가변 변환들에 응답하여 필터 파라미터 결정 및 선택을 위한 방법과 장치
JP5604825B2 (ja) * 2009-08-19 2014-10-15 ソニー株式会社 画像処理装置および方法
JP2011151431A (ja) * 2009-12-25 2011-08-04 Sony Corp 画像処理装置および方法
WO2012012444A2 (en) * 2010-07-19 2012-01-26 Dolby Laboratories Licensing Corporation Enhancement methods for sampled and multiplexed image and video data
CN102377993B (zh) * 2010-08-05 2014-09-03 富士通株式会社 帧内预测模式选择方法和系统
WO2012029181A1 (ja) * 2010-09-03 2012-03-08 株式会社 東芝 動画像符号化方法及び復号化方法、符号化装置及び復号化装置
US8787443B2 (en) * 2010-10-05 2014-07-22 Microsoft Corporation Content adaptive deblocking during video encoding and decoding
GB2484969B (en) * 2010-10-29 2013-11-20 Canon Kk Improved reference frame for video encoding and decoding
US10244239B2 (en) 2010-12-28 2019-03-26 Dolby Laboratories Licensing Corporation Parameter set for picture segmentation
US20120183078A1 (en) * 2011-01-14 2012-07-19 Samsung Electronics Co., Ltd. Filter adaptation with directional features for video/image coding
US9001883B2 (en) 2011-02-16 2015-04-07 Mediatek Inc Method and apparatus for slice common information sharing
US9042458B2 (en) 2011-04-01 2015-05-26 Microsoft Technology Licensing, Llc Multi-threaded implementations of deblock filtering
WO2012169054A1 (ja) * 2011-06-09 2012-12-13 株式会社東芝 動画像符号化方法、及び装置、動画像復号方法、及び装置
US9942573B2 (en) * 2011-06-22 2018-04-10 Texas Instruments Incorporated Systems and methods for reducing blocking artifacts
US9313497B2 (en) * 2012-01-25 2016-04-12 Intel Corporation Systems, methods, and computer program products for transform coefficient sub-sampling
US9584805B2 (en) * 2012-06-08 2017-02-28 Qualcomm Incorporated Prediction mode information downsampling in enhanced layer coding
US20140072048A1 (en) * 2012-09-13 2014-03-13 Samsung Electronics Co., Ltd Method and apparatus for a switchable de-ringing filter for image/video coding
GB2509703B (en) * 2013-01-04 2016-09-14 Canon Kk Method and apparatus for encoding an image into a video bitstream and decoding corresponding video bitstream using enhanced inter layer residual prediction
US9451254B2 (en) 2013-07-19 2016-09-20 Qualcomm Incorporated Disabling intra prediction filtering
US9712834B2 (en) 2013-10-01 2017-07-18 Dolby Laboratories Licensing Corporation Hardware efficient sparse FIR filtering in video codec
US10516898B2 (en) 2013-10-10 2019-12-24 Intel Corporation Systems, methods, and computer program products for scalable video coding based on coefficient sampling
TWI513291B (zh) * 2013-12-12 2015-12-11 Ind Tech Res Inst 影像處理的方法、裝置及電腦可讀取媒體
KR101974261B1 (ko) * 2016-06-24 2019-04-30 한국과학기술원 Cnn 기반 인루프 필터를 포함하는 부호화 방법과 장치 및 복호화 방법과 장치
EP3646606B1 (en) * 2017-06-30 2021-07-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Video coding concept using prediction loop filter
US11343538B2 (en) * 2017-11-24 2022-05-24 Sony Corporation Image processing apparatus and method
KR102520626B1 (ko) * 2018-01-22 2023-04-11 삼성전자주식회사 아티팩트 감소 필터를 이용한 영상 부호화 방법 및 그 장치, 영상 복호화 방법 및 그 장치
MX2021001607A (es) 2018-12-07 2021-04-19 Huawei Tech Co Ltd Un codificador, un decodificador y metodos correspondientes de derivacion de la intensidad de limite del filtro de desbloqueo.
US11663702B2 (en) 2018-12-19 2023-05-30 Dolby Laboratories Licensing Corporation Image debanding using adaptive sparse filtering
CN111521396B (zh) * 2020-05-11 2021-09-24 电子科技大学 基于平移不变高密度小波包变换的轴承故障诊断方法
CN113810686B (zh) * 2020-06-01 2023-02-24 杭州海康威视数字技术股份有限公司 一种编解码方法、装置及其设备
CN113709488B (zh) * 2020-06-30 2023-02-28 杭州海康威视数字技术股份有限公司 一种编解码方法、装置及其设备

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5325449A (en) * 1992-05-15 1994-06-28 David Sarnoff Research Center, Inc. Method for fusing images and apparatus therefor
US6075875A (en) * 1996-09-30 2000-06-13 Microsoft Corporation Segmentation of image features using hierarchical analysis of multi-valued image data and weighted averaging of segmentation results
FI106071B (fi) * 1997-03-13 2000-11-15 Nokia Mobile Phones Ltd Mukautuva suodatin
US6137904A (en) * 1997-04-04 2000-10-24 Sarnoff Corporation Method and apparatus for assessing the visibility of differences between two signal sequences
US7010163B1 (en) * 2001-04-20 2006-03-07 Shell & Slate Software Method and apparatus for processing image data
US7876820B2 (en) * 2001-09-04 2011-01-25 Imec Method and system for subband encoding and decoding of an overcomplete representation of the data structure
US7263240B2 (en) * 2002-01-14 2007-08-28 Eastman Kodak Company Method, system, and software for improving signal quality using pyramidal decomposition
EP1588565A1 (en) * 2003-01-20 2005-10-26 Koninklijke Philips Electronics N.V. Video coding
FR2852773A1 (fr) * 2003-03-20 2004-09-24 France Telecom Procedes et dispositifs de codage et de decodage d'une sequence d'images par decomposition mouvement/texture et codage par ondelettes
US7352909B2 (en) * 2003-06-02 2008-04-01 Seiko Epson Corporation Weighted overcomplete de-noising
WO2006031737A2 (en) * 2004-09-14 2006-03-23 Gary Demos High quality wide-range multi-layer compression coding system
JP4419069B2 (ja) * 2004-09-30 2010-02-24 ソニー株式会社 画像処理装置および方法、記録媒体、並びにプログラム
US8050331B2 (en) * 2005-05-20 2011-11-01 Ntt Docomo, Inc. Method and apparatus for noise filtering in video coding
JP4895204B2 (ja) * 2007-03-22 2012-03-14 富士フイルム株式会社 画像成分分離装置、方法、およびプログラム、ならびに、正常画像生成装置、方法、およびプログラム
BRPI0812191A2 (pt) * 2007-06-08 2014-11-18 Thomson Licensing Método e aparelho para filtragem multitreliça com base em esparsidade
WO2009081238A1 (en) * 2007-12-26 2009-07-02 Zoran (France) Filter banks for enhancing signals using oversampled subband transforms

Also Published As

Publication number Publication date
JP2010529777A (ja) 2010-08-26
WO2008153856A1 (en) 2008-12-18
CN101779464B (zh) 2014-02-12
KR20100021587A (ko) 2010-02-25
EP2160901A1 (en) 2010-03-10
US20100128803A1 (en) 2010-05-27
KR101554906B1 (ko) 2015-09-22
JP5345139B2 (ja) 2013-11-20
CN101779464A (zh) 2010-07-14

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Legal Events

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B15K Others concerning applications: alteration of classification

Ipc: H04N 19/59 (2014.01), H04N 19/117 (2014.01), H04N

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B25G Requested change of headquarter approved

Owner name: THOMSON LICENSING (FR)

B25A Requested transfer of rights approved

Owner name: THOMSON LICENSING DTV (FR)

B25A Requested transfer of rights approved

Owner name: INTERDIGITAL MADISON PATENT HOLDINGS (FR)

B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements