DE69226889D1 - Bildverarbeitungssystem - Google Patents

Bildverarbeitungssystem

Info

Publication number
DE69226889D1
DE69226889D1 DE69226889T DE69226889T DE69226889D1 DE 69226889 D1 DE69226889 D1 DE 69226889D1 DE 69226889 T DE69226889 T DE 69226889T DE 69226889 T DE69226889 T DE 69226889T DE 69226889 D1 DE69226889 D1 DE 69226889D1
Authority
DE
Germany
Prior art keywords
vision system
machine vision
machine
vision
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.)
Expired - Fee Related
Application number
DE69226889T
Other languages
English (en)
Other versions
DE69226889T2 (de
Inventor
James David Johnston
David Lee Neuhoff
Thrasyvoulos Nicholaou Pappas
Robert James Safranek
Nambirajan Seshadri
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.)
AT&T Corp
Original Assignee
AT&T Corp
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 AT&T Corp filed Critical AT&T Corp
Application granted granted Critical
Publication of DE69226889D1 publication Critical patent/DE69226889D1/de
Publication of DE69226889T2 publication Critical patent/DE69226889T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
    • H04N1/4051—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a dispersed dots halftone pattern, the dots having substantially the same size
    • H04N1/4052—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a dispersed dots halftone pattern, the dots having substantially the same size by error diffusion, i.e. transferring the binarising error to neighbouring dot decisions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/41—Bandwidth or redundancy reduction
    • H04N1/4105—Bandwidth or redundancy reduction for halftone screened pictures
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/94—Vector quantisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N5/926—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation
    • H04N5/9261—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation involving data reduction
    • 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
    • H04N19/102—Methods 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
    • 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
    • H04N19/102—Methods 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/84—Television signal recording using optical recording
    • H04N5/85—Television signal recording using optical recording on discs or drums

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Character Input (AREA)
  • Facsimile Image Signal Circuits (AREA)
DE69226889T 1991-02-22 1992-02-13 Bildverarbeitungssystem Expired - Fee Related DE69226889T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US65979391A 1991-02-22 1991-02-22
US76300291A 1991-09-20 1991-09-20
US07/785,673 US5309526A (en) 1989-05-04 1991-10-31 Image processing system

Publications (2)

Publication Number Publication Date
DE69226889D1 true DE69226889D1 (de) 1998-10-15
DE69226889T2 DE69226889T2 (de) 1999-03-04

Family

ID=27418020

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69226889T Expired - Fee Related DE69226889T2 (de) 1991-02-22 1992-02-13 Bildverarbeitungssystem

Country Status (4)

Country Link
US (2) US5309526A (de)
EP (1) EP0500267B1 (de)
JP (1) JP3078386B2 (de)
DE (1) DE69226889T2 (de)

Families Citing this family (79)

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JP3293920B2 (ja) * 1993-01-22 2002-06-17 キヤノン株式会社 画像処理装置およびその方法
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US6137922A (en) 1994-03-02 2000-10-24 Raytheon Company Method and apparatus for compressing and expanding digital data
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US5568572A (en) * 1994-07-01 1996-10-22 Seiko Epson Corporation Method and apparatus for tonal correction in binary printing devices by predistortion of image data
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US6252994B1 (en) 1998-01-26 2001-06-26 Xerox Corporation Adaptive quantization compatible with the JPEG baseline sequential mode
US6175650B1 (en) 1998-01-26 2001-01-16 Xerox Corporation Adaptive quantization compatible with the JPEG baseline sequential mode
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US6307978B1 (en) * 1998-06-03 2001-10-23 Wellesley College System and method for parallel error diffusion dithering
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US6384854B1 (en) 1999-05-07 2002-05-07 Fargo Electronics, Inc. Printer using thermal print head
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JP4064023B2 (ja) 1999-07-28 2008-03-19 株式会社リコー デジタル画像中間調処理方法及び装置、並びに、デジタル画像中間調処理プログラムを記録した記録媒体
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US6678424B1 (en) * 1999-11-11 2004-01-13 Tektronix, Inc. Real time human vision system behavioral modeling
US6697169B1 (en) 1999-12-08 2004-02-24 Sharp Laboratories Of America, Inc. Enhanced error diffusion using a correlated chromatic noise pattern
US6901164B2 (en) * 2000-04-14 2005-05-31 Trusight Ltd. Method for automated high speed improvement of digital color images
US7218784B1 (en) * 2000-05-01 2007-05-15 Xerox Corporation Method and apparatus for controlling image quality and compression ratios
US20040174361A1 (en) * 2000-10-13 2004-09-09 Yosef Yomdin Geometric and brightness modeling of images
US6909435B2 (en) * 2000-12-20 2005-06-21 Thomson Licensing S.A. Reduction of gamma correction contouring in liquid crystal on silicon (LCOS) displays
US8605911B2 (en) 2001-07-10 2013-12-10 Dolby International Ab Efficient and scalable parametric stereo coding for low bitrate audio coding applications
US7865041B1 (en) * 2001-08-09 2011-01-04 Pixelworks, Inc. Artifacts measurement on video decomposable properties by dynamic fuzzy reasoning
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JP2003323364A (ja) * 2002-05-08 2003-11-14 Canon Inc ネットワークデバイス管理装置及び方法、並びにコンピュータプログラム及びコンピュータ可読記憶媒体
US7038710B2 (en) * 2002-07-17 2006-05-02 Koninklijke Philips Electronics, N.V. Method and apparatus for measuring the quality of video data
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US20040085553A1 (en) * 2002-10-30 2004-05-06 Eastman Kodak Company Multitoning a digital image having at least one group of similar colors channels
EP1565878A1 (de) * 2002-11-19 2005-08-24 Koninklijke Philips Electronics N.V. Verfahren und vorrichtung für bildaufbereitung
US7277204B2 (en) * 2003-07-31 2007-10-02 Kodak Il Ltd. Stochastic halftone screening method
US7426462B2 (en) * 2003-09-29 2008-09-16 Sony Corporation Fast codebook selection method in audio encoding
US8576447B2 (en) 2003-10-31 2013-11-05 Hewlett-Packard Development Company, L.P. Error diffusion halftoning with bandpass noise shaping
US7308159B2 (en) * 2004-01-16 2007-12-11 Enuclia Semiconductor, Inc. Image processing system and method with dynamically controlled pixel processing
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US5191640A (en) * 1990-12-26 1993-03-02 Xerox Corporation Method for optimal discrete rendering of images

Also Published As

Publication number Publication date
DE69226889T2 (de) 1999-03-04
US5309526A (en) 1994-05-03
JPH0591331A (ja) 1993-04-09
EP0500267A2 (de) 1992-08-26
JP3078386B2 (ja) 2000-08-21
US5682442A (en) 1997-10-28
EP0500267A3 (en) 1993-05-19
EP0500267B1 (de) 1998-09-09

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee