JP2006509435A5 - - Google Patents

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Publication number
JP2006509435A5
JP2006509435A5 JP2004558198A JP2004558198A JP2006509435A5 JP 2006509435 A5 JP2006509435 A5 JP 2006509435A5 JP 2004558198 A JP2004558198 A JP 2004558198A JP 2004558198 A JP2004558198 A JP 2004558198A JP 2006509435 A5 JP2006509435 A5 JP 2006509435A5
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JP
Japan
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block
step size
encoded
quality
criterion
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JP2004558198A
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English (en)
Japanese (ja)
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JP2006509435A (ja
JP4444840B2 (ja
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Priority claimed from GBGB0228556.7A external-priority patent/GB0228556D0/en
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Publication of JP2006509435A5 publication Critical patent/JP2006509435A5/ja
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Publication of JP4444840B2 publication Critical patent/JP4444840B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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JP2004558198A 2002-12-06 2003-11-18 ビデオ品質の測定 Expired - Lifetime JP4444840B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0228556.7A GB0228556D0 (en) 2002-12-06 2002-12-06 Video quality measurement
PCT/GB2003/005002 WO2004054274A1 (en) 2002-12-06 2003-11-18 Video quality measurement

Publications (3)

Publication Number Publication Date
JP2006509435A JP2006509435A (ja) 2006-03-16
JP2006509435A5 true JP2006509435A5 (cg-RX-API-DMAC7.html) 2009-07-16
JP4444840B2 JP4444840B2 (ja) 2010-03-31

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ID=9949248

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004558198A Expired - Lifetime JP4444840B2 (ja) 2002-12-06 2003-11-18 ビデオ品質の測定

Country Status (8)

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US (1) US7869517B2 (cg-RX-API-DMAC7.html)
EP (1) EP1568235B1 (cg-RX-API-DMAC7.html)
JP (1) JP4444840B2 (cg-RX-API-DMAC7.html)
CN (1) CN100563351C (cg-RX-API-DMAC7.html)
AU (1) AU2003302799A1 (cg-RX-API-DMAC7.html)
CA (1) CA2506664A1 (cg-RX-API-DMAC7.html)
GB (1) GB0228556D0 (cg-RX-API-DMAC7.html)
WO (1) WO2004054274A1 (cg-RX-API-DMAC7.html)

Families Citing this family (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7366352B2 (en) * 2003-03-20 2008-04-29 International Business Machines Corporation Method and apparatus for performing fast closest match in pattern recognition
US20040207643A1 (en) * 2003-04-18 2004-10-21 Bozidar Janko Attention model enhanced video waveform monitor
US8442108B2 (en) * 2004-07-12 2013-05-14 Microsoft Corporation Adaptive updates in motion-compensated temporal filtering
US8340177B2 (en) 2004-07-12 2012-12-25 Microsoft Corporation Embedded base layer codec for 3D sub-band coding
US8374238B2 (en) * 2004-07-13 2013-02-12 Microsoft Corporation Spatial scalability in 3D sub-band decoding of SDMCTF-encoded video
CN101080931B (zh) * 2004-12-14 2010-06-16 三星电子株式会社 用于对图像编码和解码的设备及其方法
WO2006103323A1 (fr) * 2005-03-29 2006-10-05 France Telecom Procédé et dispositif d'évaluation d'une qualité d'un signal représentatif d'au moins un stimulus, telle que perçue par un destinataire dudit stimulus
WO2006118559A1 (en) * 2005-04-29 2006-11-09 Chubb International Holdings Limited Automatic video quality monitoring for surveillance cameras
US8422546B2 (en) * 2005-05-25 2013-04-16 Microsoft Corporation Adaptive video encoding using a perceptual model
KR100646233B1 (ko) 2005-05-30 2006-11-23 연세대학교 산학협력단 코덱 보조정보를 이용한 동영상 화질 평가 시스템 및 방법
EP1729529A1 (en) * 2005-06-02 2006-12-06 BRITISH TELECOMMUNICATIONS public limited company Video signal loss detection
US8254438B2 (en) * 2005-12-05 2012-08-28 British Telecommunications Public Limited Company Video quality measurement
US7956930B2 (en) 2006-01-06 2011-06-07 Microsoft Corporation Resampling and picture resizing operations for multi-resolution video coding and decoding
US7873224B2 (en) 2006-03-01 2011-01-18 Qualcomm Incorporated Enhanced image/video quality through artifact evaluation
US7995649B2 (en) 2006-04-07 2011-08-09 Microsoft Corporation Quantization adjustment based on texture level
US8503536B2 (en) * 2006-04-07 2013-08-06 Microsoft Corporation Quantization adjustments for DC shift artifacts
US20070237237A1 (en) * 2006-04-07 2007-10-11 Microsoft Corporation Gradient slope detection for video compression
US8059721B2 (en) 2006-04-07 2011-11-15 Microsoft Corporation Estimating sample-domain distortion in the transform domain with rounding compensation
US8711925B2 (en) 2006-05-05 2014-04-29 Microsoft Corporation Flexible quantization
US20070283269A1 (en) * 2006-05-31 2007-12-06 Pere Obrador Method and system for onboard camera video editing
JP4817246B2 (ja) * 2006-07-31 2011-11-16 Kddi株式会社 映像品質の客観評価装置
DE602007010493D1 (de) * 2006-09-29 2010-12-23 Thomson Licensing Räumliche Maskierung unter Verwendung eines örtlichen Aktivitätsmaßes
EP1937002B1 (en) 2006-12-21 2017-11-01 Rohde & Schwarz GmbH & Co. KG Method and device for estimating the image quality of compressed images and/or video sequences
JP2010515392A (ja) * 2007-01-04 2010-05-06 ブリティッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー 映像信号符号化
US8238424B2 (en) * 2007-02-09 2012-08-07 Microsoft Corporation Complexity-based adaptive preprocessing for multiple-pass video compression
US8396118B2 (en) * 2007-03-19 2013-03-12 Sony Corporation System and method to control compressed video picture quality for a given average bit rate
US8498335B2 (en) * 2007-03-26 2013-07-30 Microsoft Corporation Adaptive deadzone size adjustment in quantization
US20080240257A1 (en) * 2007-03-26 2008-10-02 Microsoft Corporation Using quantization bias that accounts for relations between transform bins and quantization bins
US8243797B2 (en) * 2007-03-30 2012-08-14 Microsoft Corporation Regions of interest for quality adjustments
US8442337B2 (en) * 2007-04-18 2013-05-14 Microsoft Corporation Encoding adjustments for animation content
US8331438B2 (en) 2007-06-05 2012-12-11 Microsoft Corporation Adaptive selection of picture-level quantization parameters for predicted video pictures
KR101394151B1 (ko) * 2007-10-04 2014-05-14 삼성전자주식회사 시감 특성을 이용한 영상 부호화 장치 및 방법
KR101439484B1 (ko) * 2007-12-20 2014-09-16 삼성전자주식회사 잡음을 고려하여 영상을 복호화하는 방법 및 장치
US8953673B2 (en) 2008-02-29 2015-02-10 Microsoft Corporation Scalable video coding and decoding with sample bit depth and chroma high-pass residual layers
EP2101503A1 (en) 2008-03-11 2009-09-16 British Telecommunications Public Limited Company Video coding
JP2009260940A (ja) * 2008-03-21 2009-11-05 Nippon Telegr & Teleph Corp <Ntt> 映像品質客観評価方法、映像品質客観評価装置、およびプログラム
US8711948B2 (en) 2008-03-21 2014-04-29 Microsoft Corporation Motion-compensated prediction of inter-layer residuals
EP2106154A1 (en) 2008-03-28 2009-09-30 Deutsche Telekom AG Audio-visual quality estimation
US8189933B2 (en) * 2008-03-31 2012-05-29 Microsoft Corporation Classifying and controlling encoding quality for textured, dark smooth and smooth video content
US8897359B2 (en) 2008-06-03 2014-11-25 Microsoft Corporation Adaptive quantization for enhancement layer video coding
EP2144449A1 (en) 2008-07-07 2010-01-13 BRITISH TELECOMMUNICATIONS public limited company Video quality measurement
US9571856B2 (en) 2008-08-25 2017-02-14 Microsoft Technology Licensing, Llc Conversion operations in scalable video encoding and decoding
US8213503B2 (en) 2008-09-05 2012-07-03 Microsoft Corporation Skip modes for inter-layer residual video coding and decoding
EP2200319A1 (en) 2008-12-10 2010-06-23 BRITISH TELECOMMUNICATIONS public limited company Multiplexed video streaming
US8422795B2 (en) 2009-02-12 2013-04-16 Dolby Laboratories Licensing Corporation Quality evaluation of sequences of images
EP2219342A1 (en) 2009-02-12 2010-08-18 BRITISH TELECOMMUNICATIONS public limited company Bandwidth allocation control in multiple video streaming
EP2227012A1 (en) * 2009-03-05 2010-09-08 Sony Corporation Method and system for providing reliable motion vectors
EP2882189A1 (en) * 2009-03-13 2015-06-10 Telefonaktiebolaget L M Ericsson (publ) Methods of and arrangements for processing an encoded BIT stream
EP2373049A1 (en) * 2010-03-31 2011-10-05 British Telecommunications Public Limited Company Video quality measurement
JP5635677B2 (ja) 2010-04-19 2014-12-03 ドルビー ラボラトリーズ ライセンシング コーポレイション 高ダイナミックレンジ、視覚ダイナミックレンジおよび広色範囲の画像およびビデオの品質評価
US8743291B2 (en) 2011-04-12 2014-06-03 Dolby Laboratories Licensing Corporation Quality assessment for images that have extended dynamic ranges or wide color gamuts
DE102011081409B3 (de) 2011-08-23 2013-02-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Erzeugung einer digitalen Version eines Videos aus einer analogen Magnetbandaufzeichnung
US9723266B1 (en) 2011-11-07 2017-08-01 Cisco Technology, Inc. Lightweight content aware bit stream video quality monitoring service
US20140254938A1 (en) * 2011-11-24 2014-09-11 Thomson Licensing Methods and apparatus for an artifact detection scheme based on image content
RU2597493C2 (ru) * 2011-11-25 2016-09-10 Томсон Лайсенсинг Оценивание качества видео с рассмотрением искажений перехода сцен
BR112014013252A2 (pt) * 2011-12-09 2017-06-13 Deutsche Telekom Ag método e aparelho para detectar defeitos de qualidade em um fluxo de bits de vídeo
WO2013086654A1 (en) 2011-12-15 2013-06-20 Thomson Licensing Method and apparatus for video quality measurement
US9426478B2 (en) 2014-07-21 2016-08-23 Cisco Technology, Inc. Resolution robust video quality metric

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3289045B2 (ja) 1994-04-12 2002-06-04 三菱電機株式会社 ディジタル記録再生装置
GB2326791B (en) 1994-04-12 1999-02-10 Mitsubishi Electric Corp Digital VTR
US5654759A (en) 1995-02-15 1997-08-05 Hitachi America Ltd. Methods and apparatus for reducing blockiness in decoded video
EP0768008B1 (en) * 1995-04-25 2000-07-05 Koninklijke Philips Electronics N.V. Device and method for coding video pictures
US5847771A (en) * 1996-08-14 1998-12-08 Bell Atlantic Network Services, Inc. Digital entertainment terminal providing multiple digital pictures
JP3116994B2 (ja) * 1996-08-29 2000-12-11 富士ゼロックス株式会社 画質予測装置および方法ならびに画質制御装置および方法
US6011868A (en) * 1997-04-04 2000-01-04 Hewlett-Packard Company Bitstream quality analyzer
US6219067B1 (en) 1998-04-03 2001-04-17 Sarnoff Corporation Measures for characterizing compressed bitstreams
GB9822094D0 (en) 1998-10-09 1998-12-02 Snell & Wilcox Ltd Improvements in data compression
US6418242B1 (en) * 1998-11-18 2002-07-09 Tektronix, Inc. Efficient detection of error blocks in a DCT-based compressed video sequence
EP1157543A1 (en) * 1999-12-17 2001-11-28 Koninklijke Philips Electronics N.V. Signal peaking
JP2001231017A (ja) 2000-02-16 2001-08-24 Kddi Corp 電子透かしを用いた絶対画質評価方法、そのための符号化方法、および符号化装置
US6671324B2 (en) * 2001-04-16 2003-12-30 Mitsubishi Electric Research Laboratories, Inc. Estimating total average distortion in a video with variable frameskip
US6810083B2 (en) * 2001-11-16 2004-10-26 Koninklijke Philips Electronics N.V. Method and system for estimating objective quality of compressed video data

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