KR20050027271A - 블록킹 아티팩트들의 동적 검출 - Google Patents

블록킹 아티팩트들의 동적 검출 Download PDF

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Publication number
KR20050027271A
KR20050027271A KR1020057001819A KR20057001819A KR20050027271A KR 20050027271 A KR20050027271 A KR 20050027271A KR 1020057001819 A KR1020057001819 A KR 1020057001819A KR 20057001819 A KR20057001819 A KR 20057001819A KR 20050027271 A KR20050027271 A KR 20050027271A
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KR
South Korea
Prior art keywords
grid
current
reference grid
blocking artifacts
processing
Prior art date
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Ceased
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KR1020057001819A
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English (en)
Korean (ko)
Inventor
레셀리에에스텔레
미로소로리아카롤리나
루올빈센트
Original Assignee
코닌클리케 필립스 일렉트로닉스 엔.브이.
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Application filed by 코닌클리케 필립스 일렉트로닉스 엔.브이. filed Critical 코닌클리케 필립스 일렉트로닉스 엔.브이.
Publication of KR20050027271A publication Critical patent/KR20050027271A/ko
Ceased legal-status Critical Current

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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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/527—Global motion vector 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods 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
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods 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
    • H04N19/865—Methods 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 with detection of the former encoding block subdivision in decompressed video

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
KR1020057001819A 2002-07-31 2003-07-09 블록킹 아티팩트들의 동적 검출 Ceased KR20050027271A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR02/09746 2002-07-31
FR0209746 2002-07-31

Publications (1)

Publication Number Publication Date
KR20050027271A true KR20050027271A (ko) 2005-03-18

Family

ID=31198217

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020057001819A Ceased KR20050027271A (ko) 2002-07-31 2003-07-09 블록킹 아티팩트들의 동적 검출

Country Status (7)

Country Link
US (1) US7805018B2 (enExample)
EP (1) EP1527610A1 (enExample)
JP (1) JP2005535204A (enExample)
KR (1) KR20050027271A (enExample)
CN (1) CN100375537C (enExample)
AU (1) AU2003247030A1 (enExample)
WO (1) WO2004014084A1 (enExample)

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US8036485B2 (en) 2007-04-09 2011-10-11 Tektronix, Inc. Systems and methods for measuring loss of detail in a video codec block
US8363978B2 (en) * 2009-03-03 2013-01-29 Samsung Electronics Co., Ltd. System and method for block edge location with varying block sizes and offsets in compressed digital video
US9639919B2 (en) * 2014-10-07 2017-05-02 Stmicroelectronics (Grenoble 2) Sas Detection and correction of artefacts in images or video
US10304178B2 (en) * 2015-09-18 2019-05-28 Taiwan Semiconductor Manfacturing Company, Ltd. Method and system for diagnosing a semiconductor wafer

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FR2735258B1 (fr) * 1995-06-09 1997-09-05 Sgs Thomson Microelectronics Dispositif de decodage d'un flux de donnees
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US5822469A (en) * 1996-10-22 1998-10-13 Hewlett-Packard Company Post-filter for improving halftone image sharpness
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FR2769452B1 (fr) * 1997-10-06 2000-01-14 Telediffusion Fse Procede de synchronisation spatiale d'une image video codee numeriquement et/ou d'identification de la syntaxe d'une sequence video
EP0998146A4 (en) * 1998-05-22 2001-02-28 Matsushita Electronics Corp BLOCK NOISE DETECTOR AND BLOCK NOISE REDUCTION SYSTEM
US6333990B1 (en) * 1998-06-02 2001-12-25 General Electric Company Fourier spectrum method to remove grid line artifacts without changing the diagnostic quality in X-ray images
FR2785116B1 (fr) * 1998-10-27 2000-12-29 France Telecom Procede de controle de la qualite d'images numeriques diffusees
KR100282147B1 (ko) * 1998-11-13 2001-02-15 구자홍 압축 영상 복원 방법
KR100366643B1 (ko) * 1998-11-25 2003-02-19 삼성전자 주식회사 구획현상제거방법및장치
US6427031B1 (en) * 1998-12-31 2002-07-30 Eastman Kodak Company Method for removing artifacts in an electronic image decoded from a block-transform coded representation of an image
US6438275B1 (en) * 1999-04-21 2002-08-20 Intel Corporation Method for motion compensated frame rate upsampling based on piecewise affine warping
US6612159B1 (en) * 1999-08-26 2003-09-02 Schlumberger Technologies, Inc. Overlay registration error measurement made simultaneously for more than two semiconductor wafer layers
CN1197383C (zh) * 1999-09-14 2005-04-13 皇家菲利浦电子有限公司 用于识别数字视频图像中像块伪痕的方法和装置
US6583897B1 (en) * 1999-11-24 2003-06-24 Xerox Corporation Non-local approach to resolution enhancement
KR100335055B1 (ko) * 1999-12-08 2002-05-02 구자홍 압축 영상신호의 블럭현상 및 링현상 제거방법
DE60007956T2 (de) * 2000-02-21 2004-07-15 Motorola, Inc., Schaumburg Vorrichtung und Verfahren zur SISO Dekodierung
US6636645B1 (en) * 2000-06-29 2003-10-21 Eastman Kodak Company Image processing method for reducing noise and blocking artifact in a digital image
EP1202577B1 (fr) * 2000-10-10 2006-05-17 Koninklijke Philips Electronics N.V. Procédé de traîtement de données vidéo
EP1209624A1 (en) * 2000-11-27 2002-05-29 Sony International (Europe) GmbH Method for compressed imaging artefact reduction
US6879400B2 (en) * 2000-12-11 2005-04-12 International Business Machines Corporation Single tone process window metrology target and method for lithographic processing
US6950605B1 (en) * 2000-12-15 2005-09-27 Cirrus Logic, Inc. Method and apparatus for recording real-time audio/video information onto recordable compact disc drives
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US7606423B2 (en) * 2005-09-29 2009-10-20 Intel Corporation Method and apparatus for blocking artifact detection and measurement in block-coded video

Also Published As

Publication number Publication date
US7805018B2 (en) 2010-09-28
CN1672424A (zh) 2005-09-21
JP2005535204A (ja) 2005-11-17
US20050271287A1 (en) 2005-12-08
EP1527610A1 (en) 2005-05-04
AU2003247030A1 (en) 2004-02-23
CN100375537C (zh) 2008-03-12
WO2004014084A1 (en) 2004-02-12

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