CN1647539A - 低速率应用的数字图像处理方法 - Google Patents

低速率应用的数字图像处理方法 Download PDF

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Publication number
CN1647539A
CN1647539A CNA038091283A CN03809128A CN1647539A CN 1647539 A CN1647539 A CN 1647539A CN A038091283 A CNA038091283 A CN A038091283A CN 03809128 A CN03809128 A CN 03809128A CN 1647539 A CN1647539 A CN 1647539A
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CN
China
Prior art keywords
data
corrected
digital image
processing
blocks
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.)
Pending
Application number
CNA038091283A
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English (en)
Chinese (zh)
Inventor
A·布尔热
J·容格
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.)
Koninklijke Philips NV
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Koninklijke Philips Electronics NV
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Publication date
Application filed by Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of CN1647539A publication Critical patent/CN1647539A/zh
Pending legal-status Critical Current

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    • 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
    • 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
    • H04N19/10—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
    • H04N19/17—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 an image region, e.g. an object
    • H04N19/176—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 an image region, e.g. an object the region being a block, e.g. a macroblock
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CNA038091283A 2002-04-23 2003-04-16 低速率应用的数字图像处理方法 Pending CN1647539A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0205087 2002-04-23
FR02/05087 2002-04-23

Publications (1)

Publication Number Publication Date
CN1647539A true CN1647539A (zh) 2005-07-27

Family

ID=29266091

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA038091283A Pending CN1647539A (zh) 2002-04-23 2003-04-16 低速率应用的数字图像处理方法

Country Status (7)

Country Link
US (1) US20060029281A1 (https=)
EP (1) EP1502443A1 (https=)
JP (1) JP2005524303A (https=)
KR (1) KR20040106383A (https=)
CN (1) CN1647539A (https=)
AU (1) AU2003219404A1 (https=)
WO (1) WO2003092294A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2432069A (en) * 2005-11-03 2007-05-09 Tandberg Television Asa Reducing block noise by applying a dither signal in areas of low spatial detail
US8027547B2 (en) * 2007-08-09 2011-09-27 The United States Of America As Represented By The Secretary Of The Navy Method and computer program product for compressing and decompressing imagery data
JP6803830B2 (ja) 2014-08-07 2020-12-23 イマジナリス エス．アール．エル． 改善された操作性を有するｘ線撮像デバイス
US11265528B2 (en) * 2019-07-03 2022-03-01 Tencent America LLC Methods and systems for color smoothing for point cloud compression

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4672437A (en) * 1985-07-08 1987-06-09 Honeywell Inc. Fiber optic inspection system
JP3466705B2 (ja) * 1993-05-28 2003-11-17 ゼロックス・コーポレーション 圧縮画像の圧縮解除方法
US5493416A (en) * 1994-10-31 1996-02-20 Xerox Corporation Method combining error diffusion and traditional halftoning with arbitrary screen orientation
US5831872A (en) * 1995-06-27 1998-11-03 Motorola, Inc. Method and system for compressing a video signal using dynamic frame recovery
US6188799B1 (en) * 1997-02-07 2001-02-13 Matsushita Electric Industrial Co., Ltd. Method and apparatus for removing noise in still and moving pictures
IT1296643B1 (it) * 1997-12-16 1999-07-14 Cselt Centro Studi Lab Telecom Procedimento e apparecchiatura per l'introduzione di distorsioni di riferimento in segnali video.
JP3613983B2 (ja) * 1998-06-25 2005-01-26 ソニー株式会社 画像生成装置及び方法、並びに電子スチルカメラ
US6674903B1 (en) * 1998-10-05 2004-01-06 Agfa-Gevaert Method for smoothing staircase effect in enlarged low resolution images
US6373981B1 (en) * 1998-12-21 2002-04-16 Xerox Corporation Method and apparatus for segmenting data to create mixed raster content planes
US6400844B1 (en) * 1998-12-02 2002-06-04 Xerox Corporation Method and apparatus for segmenting data to create mixed raster content planes
JP2000175052A (ja) * 1998-12-07 2000-06-23 Xerox Corp ピクセルマップ表現の処理方法及び装置
JP4018310B2 (ja) * 1999-04-21 2007-12-05 株式会社リコー 画像二値化装置、画像撮像装置、画像二値化方法、画像撮像方法およびその方法の各工程としてコンピュータを機能させるためのプログラムを記録したコンピュータ読取可能な記録媒体
CN1182725C (zh) * 2000-02-04 2004-12-29 皇家菲利浦电子有限公司 减少分块人为干扰的方法
AU2001276876A1 (en) * 2000-07-11 2002-01-21 Mediaflow, Llc Adaptive edge detection and enhancement for image processing
US20030012453A1 (en) * 2001-07-06 2003-01-16 Jasc Software, Inc. Method for removing defects from images
US6810144B2 (en) * 2001-07-20 2004-10-26 Koninklijke Philips Electronics N.V. Methods of and system for detecting a cartoon in a video data stream
US7310445B2 (en) * 2003-11-26 2007-12-18 International Business Machines Corporation Classification of image blocks by region contrast significance and uses therefor in selective image enhancement in video and image coding

Also Published As

Publication number Publication date
KR20040106383A (ko) 2004-12-17
US20060029281A1 (en) 2006-02-09
JP2005524303A (ja) 2005-08-11
AU2003219404A1 (en) 2003-11-10
EP1502443A1 (en) 2005-02-02
WO2003092294A1 (en) 2003-11-06

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