JPH10117291A - 補間器入力データの経路を決める装置 - Google Patents

補間器入力データの経路を決める装置

Info

Publication number
JPH10117291A
JPH10117291A JP9207841A JP20784197A JPH10117291A JP H10117291 A JPH10117291 A JP H10117291A JP 9207841 A JP9207841 A JP 9207841A JP 20784197 A JP20784197 A JP 20784197A JP H10117291 A JPH10117291 A JP H10117291A
Authority
JP
Japan
Prior art keywords
color space
interpolator
bits
input data
values
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
JP9207841A
Other languages
English (en)
Japanese (ja)
Other versions
JPH10117291A5 (cg-RX-API-DMAC7.html
Inventor
Jr Gary L Vondran
ゲリー・エル・ボンドラン，ジュニア
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
Publication of JPH10117291A publication Critical patent/JPH10117291A/ja
Publication of JPH10117291A5 publication Critical patent/JPH10117291A5/ja
Pending 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
    • H04N1/46—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Color Image Communication Systems (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Dot-Matrix Printers And Others (AREA)
JP9207841A 1996-08-02 1997-08-01 補間器入力データの経路を決める装置 Pending JPH10117291A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US691,786 1996-08-02
US08/691,786 US5666437A (en) 1996-08-02 1996-08-02 Apparatus for routing interpolator input data by performing a selective two's complement based on sets of lower and higher order bits of input data

Publications (2)

Publication Number Publication Date
JPH10117291A true JPH10117291A (ja) 1998-05-06
JPH10117291A5 JPH10117291A5 (cg-RX-API-DMAC7.html) 2005-03-10

Family

ID=24777977

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9207841A Pending JPH10117291A (ja) 1996-08-02 1997-08-01 補間器入力データの経路を決める装置

Country Status (3)

Country Link
US (1) US5666437A (cg-RX-API-DMAC7.html)
EP (1) EP0822518A3 (cg-RX-API-DMAC7.html)
JP (1) JPH10117291A (cg-RX-API-DMAC7.html)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2747987B2 (ja) * 1995-05-23 1998-05-06 セイコー電子機器株式会社 色補正装置
US6252576B1 (en) 1998-08-06 2001-06-26 In-System Design, Inc. Hardware-efficient system for hybrid-bilinear image scaling
JP2000165691A (ja) 1998-11-27 2000-06-16 Matsushita Electric Ind Co Ltd 色変換方法および装置
RU2165099C2 (ru) * 1999-06-15 2001-04-10 Военный университет связи Сплайн-интерполятор
US6753988B1 (en) 2002-03-29 2004-06-22 Cypress Semiconductor Corp. Apparatus and method for color data conversion
US6801212B1 (en) * 2002-03-29 2004-10-05 Cypress Semiconductor Corp. Apparatus and method for color data interpolation
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
JP4468270B2 (ja) * 2005-08-31 2010-05-26 キヤノン株式会社 正規化方法および多次元補間装置およびプログラム
JP2007068001A (ja) * 2005-09-01 2007-03-15 Ricoh Co Ltd 画像処理方法、プログラム、画像処理装置、画像形成システム
US8009074B2 (en) * 2010-01-12 2011-08-30 Mediatek Inc. Digital-to-analog converter and code mapping method applied to the digital-to-analog converter

Family Cites Families (8)

* 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
US5121196A (en) * 1988-11-18 1992-06-09 Konica Corporation Color processing method and apparatus with a color patch
US5175701A (en) * 1989-07-25 1992-12-29 Eastman Kodak Company System for performing linear interpolation
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
US5666437A (en) 1997-09-09
EP0822518A3 (en) 1999-06-09
EP0822518A2 (en) 1998-02-04

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