DE69424451D1 - Halbtonzitteroptimierungstechniken - Google Patents

Halbtonzitteroptimierungstechniken

Info

Publication number
DE69424451D1
DE69424451D1 DE69424451T DE69424451T DE69424451D1 DE 69424451 D1 DE69424451 D1 DE 69424451D1 DE 69424451 T DE69424451 T DE 69424451T DE 69424451 T DE69424451 T DE 69424451T DE 69424451 D1 DE69424451 D1 DE 69424451D1
Authority
DE
Germany
Prior art keywords
optimization techniques
halftone dither
dither optimization
halftone
techniques
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
DE69424451T
Other languages
English (en)
Other versions
DE69424451T2 (de
Inventor
Jr William Clark Naylor
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Publication of DE69424451D1 publication Critical patent/DE69424451D1/de
Application granted granted Critical
Publication of DE69424451T2 publication Critical patent/DE69424451T2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
DE69424451T 1993-01-11 1994-01-07 Halbtonzitteroptimierungstechniken Expired - Fee Related DE69424451T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPL675493 1993-01-11

Publications (2)

Publication Number Publication Date
DE69424451D1 true DE69424451D1 (de) 2000-06-21
DE69424451T2 DE69424451T2 (de) 2000-10-12

Family

ID=3776645

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69424451T Expired - Fee Related DE69424451T2 (de) 1993-01-11 1994-01-07 Halbtonzitteroptimierungstechniken

Country Status (4)

Country Link
US (1) US5526021A (de)
EP (1) EP0606992B1 (de)
JP (1) JPH06318249A (de)
DE (1) DE69424451T2 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5987219A (en) * 1993-09-01 1999-11-16 Canon Information Systems Research Australia Pty. Ltd. Method of producing a dither matrix by dividing an array into a plurality of regions and altering the borders of each region to have continuous irregular boundaries
AUPM440994A0 (en) * 1994-03-11 1994-04-14 Canon Information Systems Research Australia Pty Ltd A luminance weighted discrete level display
US5579457A (en) * 1994-07-29 1996-11-26 The Harlequin Group Ltd. Image display apparatus and method using irregularly placed curving structures
WO1996004748A1 (en) * 1994-07-29 1996-02-15 The Harlequin Group Limited Image display using evenly distributed intensity clusters
US5832122A (en) * 1995-03-24 1998-11-03 Fuji Photo Film Co., Ltd. Method of processing image data
ES2126482B1 (es) * 1996-04-23 1999-12-01 Univ Valencia Politecnica Procedimiento de calculo del tramado de tipo diffusion o dithering optimo para elaboracion de pantallas de serigrafia.
GB2325556B (en) * 1997-05-20 2001-05-23 Sharp Kk Light modulating devices
US6184527B1 (en) * 1997-08-26 2001-02-06 Raytheon Company Dither correction for infrared detector arrays
US7088473B2 (en) * 2001-02-26 2006-08-08 Sony Corporation System and method for effectively implementing a dither matrix for an electronic printer device
US20040233477A1 (en) * 2003-05-21 2004-11-25 International Business Machines Corporation Digital halftoning
CN100484190C (zh) * 2004-05-28 2009-04-29 瑞昱半导体股份有限公司 半色调化影像的方法、装置和产生递色罩的方法
EP1608146B1 (de) * 2004-06-14 2007-09-19 Océ-Technologies B.V. Verfahren für das Erzeugen einer Zittermatrix
JP2006005926A (ja) 2004-06-14 2006-01-05 Oce Technol Bv ディザマスクを生成する方法
GB2432961A (en) * 2005-12-01 2007-06-06 Screen Technology Ltd A display device with luminance correction means
US7733533B2 (en) * 2006-04-06 2010-06-08 Infoprint Solutions Company Llc Generating threshold values in a dither matrix
US20080024683A1 (en) * 2006-07-31 2008-01-31 Niranjan Damera-Venkata Overlapped multi-projector system with dithering
US20080024469A1 (en) * 2006-07-31 2008-01-31 Niranjan Damera-Venkata Generating sub-frames for projection based on map values generated from at least one training image
JP4757210B2 (ja) 2007-02-09 2011-08-24 大日本スクリーン製造株式会社 閾値マトリクス生成方法、閾値マトリクス生成装置および閾値マトリクス
US8380653B2 (en) * 2010-01-19 2013-02-19 Xerox Corporation Solving continuous stochastic jump control problems with approximate linear programming
US20120087411A1 (en) * 2010-10-12 2012-04-12 Apple Inc. Internal bit depth increase in deblocking filters and ordered dither
JP5802041B2 (ja) 2011-04-12 2015-10-28 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Ｉｎｔｅｒｎａｔｉｏｎａｌ Ｂｕｓｉｎｅｓｓ Ｍａｃｈｉｎｅｓ Ｃｏｒｐｏｒａｔｉｏｎ 情報処理装置、計算方法、プログラムおよび記録媒体
DE102021001265A1 (de) 2021-03-10 2022-09-15 Bundesrepublik Deutschland, vertr. durch das Bundesministerium der Verteidigung, vertr. durch das Bundesamt für Ausrüstung, Informationstechnik und Nutzung der Bundeswehr Computerimplementiertes Verfahren zur Erzeugung eines Tarnmusters

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4920501A (en) * 1988-10-19 1990-04-24 Eastman Kodak Company Digital halftoning with minimum visual modulation patterns
US5164717A (en) * 1989-09-28 1992-11-17 Sun Microsystems, Inc. Method and apparatus for the dithering of antialiased vectors
US5214517A (en) * 1990-02-07 1993-05-25 Eastman Kodak Company Digital halftoning with correlated minimum visual modulation patterns
JP3154240B2 (ja) * 1990-02-07 2001-04-09 ネクスプレス ソルーションズ エル エル シー 相関最小視覚変調パターンによるディジタル中間調調色
US5111310A (en) * 1990-12-04 1992-05-05 Research Technologies Corporation, Inc. Method and apparatus for halftone rendering of a gray scale image using a blue noise mask
US5754311A (en) * 1992-03-10 1998-05-19 Eastman Kodak Company Method and apparatus for generating simultaneously derived correlated digital halftone patterns
US5363213A (en) * 1992-06-08 1994-11-08 Xerox Corporation Unquantized resolution conversion of bitmap images using error diffusion
EP0593304B1 (de) * 1992-10-15 1999-04-14 Digital Equipment Corporation Erzeugung von Schablonen mit homogener Verteilung binärer Elemente, anwendbar bei Halbton-Bildwiedergabe

Also Published As

Publication number Publication date
EP0606992B1 (de) 2000-05-17
EP0606992A3 (de) 1994-11-09
JPH06318249A (ja) 1994-11-15
EP0606992A2 (de) 1994-07-20
US5526021A (en) 1996-06-11
DE69424451T2 (de) 2000-10-12

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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