JP2008541672A5 - - Google Patents

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Publication number
JP2008541672A5
JP2008541672A5 JP2008512582A JP2008512582A JP2008541672A5 JP 2008541672 A5 JP2008541672 A5 JP 2008541672A5 JP 2008512582 A JP2008512582 A JP 2008512582A JP 2008512582 A JP2008512582 A JP 2008512582A JP 2008541672 A5 JP2008541672 A5 JP 2008541672A5
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JP
Japan
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threshold
coefficient
signal power
transform
noise
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JP2008512582A
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English (en)
Japanese (ja)
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JP2008541672A (ja
JP4988715B2 (ja
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Priority claimed from US11/437,515 external-priority patent/US8050331B2/en
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Publication of JP2008541672A5 publication Critical patent/JP2008541672A5/ja
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Publication of JP4988715B2 publication Critical patent/JP4988715B2/ja
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JP2008512582A 2005-05-20 2006-05-19 ビデオ符号化におけるノイズフィルタリング方法及び装置 Active JP4988715B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US68324005P 2005-05-20 2005-05-20
US60/683,240 2005-05-20
US11/437,515 US8050331B2 (en) 2005-05-20 2006-05-18 Method and apparatus for noise filtering in video coding
US11/437,515 2006-05-18
PCT/US2006/019641 WO2006127546A2 (en) 2005-05-20 2006-05-19 Method and apparatus for noise filtering in video coding

Publications (3)

Publication Number Publication Date
JP2008541672A JP2008541672A (ja) 2008-11-20
JP2008541672A5 true JP2008541672A5 (enExample) 2009-08-13
JP4988715B2 JP4988715B2 (ja) 2012-08-01

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Family Applications (1)

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JP2008512582A Active JP4988715B2 (ja) 2005-05-20 2006-05-19 ビデオ符号化におけるノイズフィルタリング方法及び装置

Country Status (5)

Country Link
US (1) US8050331B2 (enExample)
EP (1) EP1882236B1 (enExample)
JP (1) JP4988715B2 (enExample)
CN (1) CN101203882B (enExample)
WO (1) WO2006127546A2 (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8208548B2 (en) * 2006-02-09 2012-06-26 Qualcomm Incorporated Video encoding
US8077769B2 (en) * 2006-03-28 2011-12-13 Sony Corporation Method of reducing computations in transform and scaling processes in a digital video encoder using a threshold-based approach
US8831111B2 (en) * 2006-05-19 2014-09-09 The Hong Kong University Of Science And Technology Decoding with embedded denoising
US20080159637A1 (en) * 2006-12-27 2008-07-03 Ricardo Citro Deblocking filter hardware accelerator with interlace frame support
US20100128803A1 (en) * 2007-06-08 2010-05-27 Oscar Divorra Escoda Methods and apparatus for in-loop de-artifacting filtering based on multi-lattice sparsity-based filtering
BRPI0812191A2 (pt) * 2007-06-08 2014-11-18 Thomson Licensing Método e aparelho para filtragem multitreliça com base em esparsidade
KR101228020B1 (ko) * 2007-12-05 2013-01-30 삼성전자주식회사 사이드 매칭을 이용한 영상의 부호화 방법 및 장치, 그복호화 방법 및 장치
US8731062B2 (en) * 2008-02-05 2014-05-20 Ntt Docomo, Inc. Noise and/or flicker reduction in video sequences using spatial and temporal processing
US20090268818A1 (en) * 2008-04-29 2009-10-29 International Business Machines Corporation Method and system for integrating noise filtering in predictive video coding
US10123050B2 (en) * 2008-07-11 2018-11-06 Qualcomm Incorporated Filtering video data using a plurality of filters
EP2351374A1 (en) * 2008-11-25 2011-08-03 Thomson Licensing Methods and apparatus for sparsity-based de-artifact filtering for video encoding and decoding
EP2192786A1 (en) * 2008-11-27 2010-06-02 Panasonic Corporation Frequency domain filters for video coding
KR101483179B1 (ko) * 2010-10-06 2015-01-19 에스케이 텔레콤주식회사 주파수 마스크 테이블을 이용한 주파수변환 블록 부호화 방법 및 장치와 그를 이용한 영상 부호화/복호화 방법 및 장치
GB2486692B (en) * 2010-12-22 2014-04-16 Canon Kk Method for encoding a video sequence and associated encoding device
US9681125B2 (en) * 2011-12-29 2017-06-13 Pelco, Inc Method and system for video coding with noise filtering
US9154782B2 (en) * 2013-09-16 2015-10-06 Magnum Semiconductor, Inc. Apparatuses and methods for adjusting coefficients using dead zones
US10368107B2 (en) * 2016-08-15 2019-07-30 Qualcomm Incorporated Intra video coding using a decoupled tree structure

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9019538D0 (en) * 1990-09-07 1990-10-24 Philips Electronic Associated Tracking a moving object
JPH0678296A (ja) * 1992-07-09 1994-03-18 Mitsubishi Electric Corp 画像符号化装置及び画像雑音除去装置
JPH0715631A (ja) * 1993-06-29 1995-01-17 Nippon Telegr & Teleph Corp <Ntt> 画像信号雑音除去方法および装置
JPH07212627A (ja) * 1994-01-18 1995-08-11 Sony Corp ノイズ低減装置
US5706054A (en) * 1995-12-01 1998-01-06 Intel Corporation Method and apparatus for adjusting video data to limit the effects of automatic focusing control on motion estimation video coders
JPH09212623A (ja) * 1996-01-30 1997-08-15 Fuji Photo Film Co Ltd 画像処理方法
IT1289206B1 (it) * 1996-09-12 1998-09-29 Sgs Thomson Microelectronics Metodo di ricompressione e decompressione adpcm di un flusso di dati digitali costituente un segnale video digitale e stimatore
FR2755527B1 (fr) * 1996-11-07 1999-01-08 Thomson Multimedia Sa Procede de prediction compensee en mouvement et codeur utilisant un tel procede
JP4046969B2 (ja) * 2000-11-09 2008-02-13 キヤノン株式会社 画像処理装置、及びその方法、並びにプログラム、記憶媒体
JP2002218466A (ja) * 2001-01-24 2002-08-02 Nec Corp ノイズ除去装置、帯域分割型逆ｄｃｔ回路、及びこれらの方法、プログラム
US7643688B2 (en) * 2003-10-10 2010-01-05 Hewlett-Packard Development Company, L.P. Reducing artifacts in compressed images

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