DE69711781T2 - Vorrichtung zum Erzeugen von Eingangsdaten für einen Interpolator - Google Patents

Vorrichtung zum Erzeugen von Eingangsdaten für einen Interpolator

Info

Publication number
DE69711781T2
DE69711781T2 DE69711781T DE69711781T DE69711781T2 DE 69711781 T2 DE69711781 T2 DE 69711781T2 DE 69711781 T DE69711781 T DE 69711781T DE 69711781 T DE69711781 T DE 69711781T DE 69711781 T2 DE69711781 T2 DE 69711781T2
Authority
DE
Germany
Prior art keywords
color space
interpolator
memory
bits
cube
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
DE69711781T
Other languages
German (de)
English (en)
Other versions
DE69711781D1 (de
Inventor
Vondran, Jr.
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.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of DE69711781D1 publication Critical patent/DE69711781D1/de
Publication of DE69711781T2 publication Critical patent/DE69711781T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46Colour picture communication systems
    • H04N1/56Processing of colour picture signals
    • H04N1/60Colour correction or control
    • H04N1/6016Conversion to subtractive colour signals
    • H04N1/6019Conversion to subtractive colour signals using look-up tables

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Color Image Communication Systems (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
  • Dot-Matrix Printers And Others (AREA)
DE69711781T 1996-08-02 1997-01-16 Vorrichtung zum Erzeugen von Eingangsdaten für einen Interpolator Expired - Fee Related DE69711781T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/691,633 US5717507A (en) 1996-08-02 1996-08-02 Apparatus for generating interpolator input data

Publications (2)

Publication Number Publication Date
DE69711781D1 DE69711781D1 (de) 2002-05-16
DE69711781T2 true DE69711781T2 (de) 2002-10-17

Family

ID=24777324

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69711781T Expired - Fee Related DE69711781T2 (de) 1996-08-02 1997-01-16 Vorrichtung zum Erzeugen von Eingangsdaten für einen Interpolator

Country Status (4)

Country Link
US (1) US5717507A (enExample)
EP (1) EP0822708B1 (enExample)
JP (1) JP3976849B2 (enExample)
DE (1) DE69711781T2 (enExample)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19641822A1 (de) * 1996-10-10 1998-04-16 Hell Ag Linotype Verfahren zur Interpolation in einem n-dimensionalen Farbraum
JP3493104B2 (ja) * 1996-10-24 2004-02-03 シャープ株式会社 カラー画像処理装置
US6281984B1 (en) * 1997-03-25 2001-08-28 International Business Machines Corporation Enhanced system, method and program for converting an externally defined four dimensional colorant (CMYK) into an equivalent four dimensional colorant defined in terms of the four inks (C′M′Y′K′) that are associated with a given printer
US6252576B1 (en) 1998-08-06 2001-06-26 In-System Design, Inc. Hardware-efficient system for hybrid-bilinear image scaling
JP3022898B1 (ja) * 1999-03-12 2000-03-21 ブラザー工業株式会社 カラ―コピ―システム
US6809740B1 (en) 2000-07-26 2004-10-26 Lexmark International, Inc. Dithered quantization using neighborhood mask array to approximate interpolate
US7072084B2 (en) * 2001-02-08 2006-07-04 Ricoh Company, Ltd. Color converting device emphasizing a contrast of output color data corresponding to a black character
JP2003263890A (ja) * 2002-03-06 2003-09-19 Ricoh Co Ltd 半導体記憶装置
US6753988B1 (en) 2002-03-29 2004-06-22 Cypress Semiconductor Corp. Apparatus and method for color data conversion
US20040042020A1 (en) * 2002-08-29 2004-03-04 Vondran Gary L. Color space conversion
US7342682B2 (en) * 2002-12-05 2008-03-11 Canon Kabushiki Kaisha Incremental color transform creation
US8054518B2 (en) * 2003-05-30 2011-11-08 Hewlett-Packard Development Company, L.P. Color imaging devices, color imaging methods, and color separation methods
US7304769B2 (en) * 2003-05-30 2007-12-04 Hewlett-Packard Development Company, L.P. Color imaging devices, color image forming methods, and color image data processing methods
US7209145B2 (en) 2004-04-02 2007-04-24 Xerox Corporation Color device profile having a buffered look-up table
US7573612B2 (en) * 2007-03-30 2009-08-11 Kabushiki Kaisha Toshiba Color conversion apparatus, color conversion method and color conversion program
US9392143B1 (en) * 2010-03-31 2016-07-12 Ambarella, Inc. High performance memory system for 3D color correction
US9692943B2 (en) 2013-01-29 2017-06-27 Hewlett-Packard Development Company, L.P. Method of preparing the rendering with a color output device of at least one object
IL272813B (en) 2013-04-08 2022-07-01 Dolby Int Ab "A method for encoding and a method for decoding a search panel and compatible devices"
JP6315937B2 (ja) * 2013-10-15 2018-04-25 高田 周一 データ変換装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3893166A (en) * 1972-01-05 1975-07-01 Crosfield Electronics Ltd Colour correcting image reproducing methods and apparatus
US4275413A (en) * 1978-03-30 1981-06-23 Takashi Sakamoto Linear interpolator for color correction
JPS57208765A (en) * 1981-06-18 1982-12-21 Dainippon Screen Mfg Co Ltd Signal interpolating method for memory device
US4477833A (en) * 1981-08-12 1984-10-16 R. R. Donnelley & Sons Company Method of color conversion with improved interpolation
JPS63159983A (ja) * 1986-12-23 1988-07-02 Dainippon Screen Mfg Co Ltd ルツクアツプテ−ブルデ−タの生成方法および装置
EP0273398B1 (en) * 1986-12-25 1995-02-08 Konica Corporation Method of correcting color images
US5121196A (en) * 1988-11-18 1992-06-09 Konica Corporation Color processing method and apparatus with a color patch
US5208872A (en) * 1990-03-30 1993-05-04 The United States Of America As Represented By The United States National Aeronautics And Space Administration Programmable remapper with single flow architecture
JP2903808B2 (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
US5337166A (en) * 1992-02-14 1994-08-09 Fuji Xerox Co., Ltd. Color signal transforming apparatus
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
US5432892A (en) * 1992-11-25 1995-07-11 International Business Machines Corporation Volummetric linear interpolation
DE59207069D1 (de) * 1992-12-02 1996-10-10 Eastman Kodak Co Verfahren zur Farbtransformation
US5684981A (en) * 1995-01-18 1997-11-04 Hewlett-Packard Company Memory organization and method for multiple variable digital data transformation

Also Published As

Publication number Publication date
EP0822708A1 (en) 1998-02-04
JPH10117292A (ja) 1998-05-06
JP3976849B2 (ja) 2007-09-19
EP0822708B1 (en) 2002-04-10
US5717507A (en) 1998-02-10
DE69711781D1 (de) 2002-05-16

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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