FR2772492B1 - Interpolation radiale dissymetrique et radiale elaguee dissymetrique - Google Patents

Interpolation radiale dissymetrique et radiale elaguee dissymetrique

Info

Publication number
FR2772492B1
FR2772492B1 FR9812078A FR9812078A FR2772492B1 FR 2772492 B1 FR2772492 B1 FR 2772492B1 FR 9812078 A FR9812078 A FR 9812078A FR 9812078 A FR9812078 A FR 9812078A FR 2772492 B1 FR2772492 B1 FR 2772492B1
Authority
FR
France
Prior art keywords
dissymmetric
radial
elague
interpolation
radial interpolation
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
FR9812078A
Other languages
English (en)
Other versions
FR2772492A1 (fr
Inventor
Gary L 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
Publication of FR2772492A1 publication Critical patent/FR2772492A1/fr
Application granted granted Critical
Publication of FR2772492B1 publication Critical patent/FR2772492B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G06T3/4007—Scaling of whole images or parts thereof, e.g. expanding or contracting based on interpolation, e.g. bilinear interpolation
    • 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
    • H04N1/6019—Conversion to subtractive colour signals using look-up tables

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Color Image Communication Systems (AREA)
FR9812078A 1997-12-12 1998-09-28 Interpolation radiale dissymetrique et radiale elaguee dissymetrique Expired - Fee Related FR2772492B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/989,962 US5966474A (en) 1997-12-12 1997-12-12 Non-symmetric radial and non-symmetric pruned radial interpolation

Publications (2)

Publication Number Publication Date
FR2772492A1 FR2772492A1 (fr) 1999-06-18
FR2772492B1 true FR2772492B1 (fr) 2005-09-02

Family

ID=25535615

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9812078A Expired - Fee Related FR2772492B1 (fr) 1997-12-12 1998-09-28 Interpolation radiale dissymetrique et radiale elaguee dissymetrique

Country Status (3)

Country Link
US (1) US5966474A (fr)
FR (1) FR2772492B1 (fr)
GB (1) GB2333921B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1039742A1 (fr) 1999-03-19 2000-09-27 Hewlett-Packard Company Procédé d'interpolation
JP2002152534A (ja) * 2000-11-14 2002-05-24 Matsushita Electric Ind Co Ltd 三次元信号変換方法及び装置
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
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
US7154636B2 (en) * 2004-09-28 2006-12-26 Canon Kabushiki Kaisha Color appearance space to CMYK mapping using relative purity
US8391647B1 (en) 2010-02-17 2013-03-05 Hewlett-Packard Development Company, L.P. Pixel replacement

Family Cites Families (21)

* 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
JPH087553B2 (ja) * 1988-10-27 1996-01-29 インターナショナル・ビジネス・マシーンズ・コーポレーション 色画像量子化方法及び装置
US5121196A (en) * 1988-11-18 1992-06-09 Konica Corporation Color processing method and apparatus with a color patch
US5208875A (en) * 1989-03-07 1993-05-04 Sony Corporation Digital picture signal processing apparatus
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
WO1992001260A1 (fr) * 1990-07-09 1992-01-23 Eastman Kodak Company Circuit associant de maniere selective les signaux de coefficient de puissance de deux
JPH04354287A (ja) * 1991-05-30 1992-12-08 Sony Corp 画像補間回路
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
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
US5345541A (en) * 1991-12-20 1994-09-06 Apple Computer, Inc. Method and apparatus for approximating a value between two endpoint values in a three-dimensional image rendering device
US5337166A (en) * 1992-02-14 1994-08-09 Fuji Xerox Co., Ltd. Color signal transforming apparatus
EP0601241B1 (fr) * 1992-12-02 1996-09-04 Eastman Kodak Company Procédé de transformation de couleurs
US5390035A (en) * 1992-12-23 1995-02-14 International Business Machines Corporation Method and means for tetrahedron/octahedron packing and tetrahedron extraction for function approximation
US5504821A (en) * 1993-03-31 1996-04-02 Matsushita Electric Industrial Co., Ltd. Color converting apparatus for performing a three-dimensional color conversion of a colored picture in a color space with a small capacity of memory
US5732162A (en) * 1993-10-28 1998-03-24 Xerox Corporation Two dimensional linearity and registration error correction in a hyperacuity printer
US5684981A (en) * 1995-01-18 1997-11-04 Hewlett-Packard Company Memory organization and method for multiple variable digital data transformation
AU5957496A (en) * 1995-06-06 1996-12-24 Apple Computer, Inc. A caching system for interpolation processing
US5774386A (en) * 1995-09-08 1998-06-30 Eastman Kodak Company Method and apparatus for performing function evaluation using a cache

Also Published As

Publication number Publication date
US5966474A (en) 1999-10-12
GB9826984D0 (en) 1999-02-03
FR2772492A1 (fr) 1999-06-18
GB2333921B (en) 2002-04-10
GB2333921A (en) 1999-08-04

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse

Effective date: 20090529