DE69420760D1 - Bildverarbeitungssystem - Google Patents

Bildverarbeitungssystem

Info

Publication number
DE69420760D1
DE69420760D1 DE69420760T DE69420760T DE69420760D1 DE 69420760 D1 DE69420760 D1 DE 69420760D1 DE 69420760 T DE69420760 T DE 69420760T DE 69420760 T DE69420760 T DE 69420760T DE 69420760 D1 DE69420760 D1 DE 69420760D1
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
DE69420760T
Other languages
English (en)
Other versions
DE69420760T2 (de
Inventor
Robin Alexander Cawley
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.)
Quantel Ltd
Original Assignee
Quantel Ltd
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 Quantel Ltd filed Critical Quantel Ltd
Application granted granted Critical
Publication of DE69420760D1 publication Critical patent/DE69420760D1/de
Publication of DE69420760T2 publication Critical patent/DE69420760T2/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
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/67—Circuits for processing colour signals for matrixing
    • 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
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/6016—Conversion to subtractive colour signals
    • H04N1/6022—Generating a fourth subtractive colour signal, e.g. under colour removal, black masking
    • H04N1/6025—Generating a fourth subtractive colour signal, e.g. under colour removal, black masking using look-up tables
    • 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
    • H04N19/186—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 a colour or a chrominance component

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color Image Communication Systems (AREA)
DE69420760T 1993-02-25 1994-02-24 Bildverarbeitungssystem Expired - Fee Related DE69420760T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9303834A GB2275584B (en) 1993-02-25 1993-02-25 An image processing system

Publications (2)

Publication Number Publication Date
DE69420760D1 true DE69420760D1 (de) 1999-10-28
DE69420760T2 DE69420760T2 (de) 1999-12-30

Family

ID=10731041

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69420760T Expired - Fee Related DE69420760T2 (de) 1993-02-25 1994-02-24 Bildverarbeitungssystem

Country Status (5)

Country Link
US (1) US5568596A (de)
EP (1) EP0613292B1 (de)
JP (1) JPH0795429A (de)
DE (1) DE69420760T2 (de)
GB (1) GB2275584B (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL115026A (en) * 1995-08-21 2001-03-19 Scitex Corp Ltd A method for matching object colors to print colors
US5742277A (en) * 1995-10-06 1998-04-21 Silicon Graphics, Inc. Antialiasing of silhouette edges
US6421140B1 (en) * 1995-12-08 2002-07-16 Canon Kabushiki Kaisha Color space conversion with simplified interpolation
GB2325834B (en) 1997-05-30 2002-03-27 Quantel Ltd An electronic graphic system
US5880744A (en) * 1997-06-27 1999-03-09 Microsoft Corporation Method and apparatus for vector transformation involving a transformation matrix
KR100435257B1 (ko) * 1997-08-07 2004-07-16 삼성전자주식회사 영상신호 처리 시스템에서의 이미지 포맷 변환장치 및 방법
GB9807097D0 (en) * 1998-04-02 1998-06-03 Discreet Logic Inc Processing image data
DE19844495B4 (de) * 1998-09-29 2005-04-07 Man Roland Druckmaschinen Ag Verfahren zur Farbkalibrierung mittels Colormanagement für eine digital ansteuerbare Druckmaschine mit einer wiederbeschreibbaren Druckform
US6320593B1 (en) * 1999-04-20 2001-11-20 Agilent Technologies, Inc. Method of fast bi-cubic interpolation of image information
EP1154637A1 (de) * 2000-05-13 2001-11-14 Orell Füssli Sicherheitsdruck AG Verfahren zur Farbseparation
US6771275B1 (en) * 2000-06-07 2004-08-03 Oak Technology, Inc. Processing system and method using a multi-dimensional look-up table
GB2374745A (en) * 2001-04-18 2002-10-23 Quantel Ltd Chroma keying system using a programmable look-up table
US7027068B2 (en) 2001-09-05 2006-04-11 Autodesk, Inc. Method and apparatus for fast construction of color cubes
US7145571B2 (en) * 2002-11-01 2006-12-05 Tenebraex Corporation Technique for enabling color blind persons to distinguish between various colors
DE102004001295A1 (de) * 2004-01-08 2005-08-11 Thomson Broadcast And Media Solutions Gmbh Abgleichvorrichtung und Verfahren zur Farbkorrektur von digitalen Bilddaten
EP1578140A3 (de) * 2004-03-19 2005-09-28 Thomson Licensing S.A. Verfahren und Vorrichtung zur Verwaltung der Farben
JP5676070B2 (ja) 2004-11-01 2015-02-25 テクニカラー インコーポレイテツド 拡張された色空間コンテンツのマスタリングおよび配信を行う方法およびシステム
EP1964389A2 (de) * 2005-12-21 2008-09-03 Thomson Licensing Eingeschränkte farbpalette in einem farbraum
EP2025176B1 (de) * 2006-06-02 2018-11-14 Thomson Licensing Umsetzung einer kolorimetrischen transformation aus einem eingangsfarbraum in einen ausgangsfarbraum
DE102014010061A1 (de) * 2014-07-07 2016-01-07 Heidelberger Druckmaschinen Ag Verfahren zur Berechung von Ersatzfarben für Sonderfarben

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2053619B (en) * 1979-07-03 1983-11-02 Crosfield Electronics Ltd Interpolation methods and apparatus
DE3364249D1 (en) * 1982-03-30 1986-07-31 Crosfield Electronics Ltd Video retouching systems
US4864388A (en) * 1983-03-28 1989-09-05 Ole Skrydstrup Chroma keyer color discriminator
EP0144461B1 (de) * 1983-12-14 1987-05-20 DR.-ING. RUDOLF HELL GmbH Verfahren und Schaltungsanordnung zum Erkennen von Farbtönen und Farben
US4829584A (en) * 1985-03-26 1989-05-09 Dainippon Screen Mfg. Co., Ltd. Image input system
US4829455A (en) * 1986-04-11 1989-05-09 Quantel Limited Graphics system for video and printed images
GB2206261B (en) * 1987-06-22 1992-02-05 Konishiroku Photo Ind Multicolour image forming method and apparatus
US5018085A (en) * 1988-06-16 1991-05-21 Hallmark Cards, Inc. Color printing system usable for reproduction of computer-generated images
JPH0659085B2 (ja) * 1988-07-12 1994-08-03 大日本スクリーン製造株式会社 画像シミュレーション方法
US4992861A (en) * 1988-10-18 1991-02-12 Eastman Kodak Company Color image reproduction apparatus having a digitally operated look-up table constructed by means of a least squares algorithm
US5012333A (en) * 1989-01-05 1991-04-30 Eastman Kodak Company Interactive dynamic range adjustment system for printing digital images
EP0410719A3 (en) * 1989-07-25 1992-01-22 Seiko Instruments Inc. Colour correction system and method
US5227863A (en) * 1989-11-14 1993-07-13 Intelligent Resources Integrated Systems, Inc. Programmable digital video processing system
US5155588A (en) * 1990-02-06 1992-10-13 Levien Raphael L Color correction and apparatus for photographic reproduction
US5321797A (en) * 1990-06-11 1994-06-14 Eastman Kodak Company Apparatus and method for performing coordinate transformation employing stored values and interpolation
US5233684A (en) * 1990-06-26 1993-08-03 Digital Equipment Corporation Method and apparatus for mapping a digital color image from a first color space to a second color space
EP0503042A1 (de) * 1990-09-17 1992-09-16 Eastman Kodak Company Bildkalibrierung eines digitalen abtasters
GB9023013D0 (en) * 1990-10-23 1990-12-05 Crosfield Electronics Ltd Method and apparatus for generating representation of an image
GB9101493D0 (en) * 1991-01-23 1991-03-06 Crosfield Electronics Ltd Improvements relating to colour image processing
JP2756040B2 (ja) * 1991-01-30 1998-05-25 富士写真フイルム株式会社 Ｕｃｒ量決定方法及び画像処理装置
JP2630687B2 (ja) * 1991-05-14 1997-07-16 大日本スクリーン製造株式会社 画像処理装置
US5523861A (en) * 1991-05-15 1996-06-04 Canon Kabushiki Kaisha Image reader capable of setting density and illumination
JP2903807B2 (ja) * 1991-10-17 1999-06-14 富士ゼロックス株式会社 色信号変換方法および装置
JP2906814B2 (ja) * 1992-02-14 1999-06-21 富士ゼロックス株式会社 色信号変換装置

Also Published As

Publication number Publication date
GB9303834D0 (en) 1993-04-14
US5568596A (en) 1996-10-22
EP0613292B1 (de) 1999-09-22
JPH0795429A (ja) 1995-04-07
DE69420760T2 (de) 1999-12-30
EP0613292A1 (de) 1994-08-31
GB2275584B (en) 1997-05-14
GB2275584A (en) 1994-08-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee