NL1001788C2 - Werkwijze en beeldreproductie-inrichting voor het reproduceren van grijswaarden. - Google Patents

Werkwijze en beeldreproductie-inrichting voor het reproduceren van grijswaarden. Download PDF

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Publication number
NL1001788C2
NL1001788C2 NL1001788A NL1001788A NL1001788C2 NL 1001788 C2 NL1001788 C2 NL 1001788C2 NL 1001788 A NL1001788 A NL 1001788A NL 1001788 A NL1001788 A NL 1001788A NL 1001788 C2 NL1001788 C2 NL 1001788C2
Authority
NL
Netherlands
Prior art keywords
group
pixels
pixel
values
value
Prior art date
Application number
NL1001788A
Other languages
English (en)
Dutch (nl)
Inventor
Petrus Antonius Ma Cornelissen
Abraham Moolenaar
Original Assignee
Oce Tech Bv
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 Oce Tech Bv filed Critical Oce Tech Bv
Priority to NL1001788A priority Critical patent/NL1001788C2/nl
Priority to DE69608214T priority patent/DE69608214T2/de
Priority to EP96203210A priority patent/EP0777377B1/fr
Priority to US08/755,564 priority patent/US5818971A/en
Priority to JP08336389A priority patent/JP3089216B2/ja
Application granted granted Critical
Publication of NL1001788C2 publication Critical patent/NL1001788C2/nl

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
NL1001788A 1995-11-30 1995-11-30 Werkwijze en beeldreproductie-inrichting voor het reproduceren van grijswaarden. NL1001788C2 (nl)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL1001788A NL1001788C2 (nl) 1995-11-30 1995-11-30 Werkwijze en beeldreproductie-inrichting voor het reproduceren van grijswaarden.
DE69608214T DE69608214T2 (de) 1995-11-30 1996-11-19 Verfahren und Bildwiedergabevorrichtung zur Wiedergabe von Grauwerten
EP96203210A EP0777377B1 (fr) 1995-11-30 1996-11-19 Procédé et dispositif de reproduction d'images pour la reproduction de valeurs de gris
US08/755,564 US5818971A (en) 1995-11-30 1996-11-27 Method and image reproduction device for reproducing grey values using a combination of error diffusion and cluster dithering for enhanced resolution and tone
JP08336389A JP3089216B2 (ja) 1995-11-30 1996-12-02 グレー値を再生するための画像再生装置及び方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1001788 1995-11-30
NL1001788A NL1001788C2 (nl) 1995-11-30 1995-11-30 Werkwijze en beeldreproductie-inrichting voor het reproduceren van grijswaarden.

Publications (1)

Publication Number Publication Date
NL1001788C2 true NL1001788C2 (nl) 1997-06-04

Family

ID=19761948

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1001788A NL1001788C2 (nl) 1995-11-30 1995-11-30 Werkwijze en beeldreproductie-inrichting voor het reproduceren van grijswaarden.

Country Status (5)

Country Link
US (1) US5818971A (fr)
EP (1) EP0777377B1 (fr)
JP (1) JP3089216B2 (fr)
DE (1) DE69608214T2 (fr)
NL (1) NL1001788C2 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100440944B1 (ko) * 1997-07-15 2004-09-18 삼성전자주식회사 이진화상의 해상도를 축소시키는 방법 및 장치
US6226019B1 (en) * 1997-12-26 2001-05-01 Canon Kabushiki Kaisha Imaging forming apparatus for forming an image by digital processing
US6307978B1 (en) * 1998-06-03 2001-10-23 Wellesley College System and method for parallel error diffusion dithering
US6353687B1 (en) * 1998-12-18 2002-03-05 Xerox Corporation System and apparatus for single subpixel elimination with local error compensation in an high addressable error diffusion process
JP3508836B2 (ja) * 1999-06-22 2004-03-22 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 ２次元コードの概略位置検出装置及び検出方法
US7184066B2 (en) * 2001-05-09 2007-02-27 Clairvoyante, Inc Methods and systems for sub-pixel rendering with adaptive filtering
US7265876B2 (en) * 2002-05-09 2007-09-04 Seiko Epson Corporation PWM rendering for color/gray-scale text and graphics for laser printer
US7079154B2 (en) * 2003-01-18 2006-07-18 Hewlett-Packard Development Company, L.P. Sub-pixel assembly with dithering
US7376282B2 (en) * 2003-11-20 2008-05-20 Xerox Corporation Method for designing nearly circularly symmetric descreening filters that can be efficiently implemented in VLIW (very long instruction word) media processors
US7817871B2 (en) * 2004-08-18 2010-10-19 Adobe Systems Incorporated Scaling of raster images without blurring of edges
KR100648657B1 (ko) * 2004-10-11 2006-11-24 삼성전자주식회사 클러스터를 통한 오차 확산장치
US7468814B2 (en) * 2005-02-08 2008-12-23 Astro-Med, Inc. Algorithm for controlling half toning process
US20070076265A1 (en) * 2005-10-03 2007-04-05 Lexmark International, Inc. Method of bit depth reduction for an apparatus
KR102227632B1 (ko) * 2014-10-28 2021-03-16 삼성디스플레이 주식회사 표시 패널 구동 장치, 이를 포함하는 표시 장치, 및 표시 장치의 구동 방법
US10225438B2 (en) * 2015-10-30 2019-03-05 Hewlett-Packard Development Company, L.P. Halftoning of object data for a three-dimensional object

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0201674A2 (fr) * 1985-04-12 1986-11-20 International Business Machines Corporation Procédé pour reproduire des images numériques à teintes multiples à l'aide d'une imprimante à deux teintes et à dimension de point fixe
EP0291300A2 (fr) * 1987-05-11 1988-11-17 The Mead Corporation Appareil de production d'images
US5339171A (en) * 1990-04-24 1994-08-16 Ricoh Company, Ltd. Image processing apparatus especially suitable for producing smooth-edged output multi-level tone data having fewer levels than input multi-level tone data
US5363210A (en) * 1991-09-30 1994-11-08 Ricoh Company, Ltd. Apparatus outputting quantized image data, selecting from filters with different error spreading effects

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0380767A (ja) * 1989-08-24 1991-04-05 Ricoh Co Ltd 画像の階調記録装置
US5268774A (en) * 1991-11-27 1993-12-07 Xerox Corporation Halftoning with enhanced dynamic range and edge enhanced error diffusion
US5374997A (en) * 1992-07-31 1994-12-20 Xerox Corporation High addressability error diffusion with minimum mark size
US5321525A (en) * 1992-12-14 1994-06-14 Xerox Corporation Clustered halftoning with dot-to-dot error diffusion

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0201674A2 (fr) * 1985-04-12 1986-11-20 International Business Machines Corporation Procédé pour reproduire des images numériques à teintes multiples à l'aide d'une imprimante à deux teintes et à dimension de point fixe
EP0291300A2 (fr) * 1987-05-11 1988-11-17 The Mead Corporation Appareil de production d'images
US5339171A (en) * 1990-04-24 1994-08-16 Ricoh Company, Ltd. Image processing apparatus especially suitable for producing smooth-edged output multi-level tone data having fewer levels than input multi-level tone data
US5363210A (en) * 1991-09-30 1994-11-08 Ricoh Company, Ltd. Apparatus outputting quantized image data, selecting from filters with different error spreading effects

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
STOFFEL J. C. ET AL.: "A SURVEY OF ELECTRONIC TECHNIQUES FOR PICTORIAL IMAGE REPRODUCTION", IEEE TRANSACTIONS ON COMMUNICATIONS, vol. 29, no. 12, December 1981 (1981-12-01), pages 1898 - 1925, XP000560531 *

Also Published As

Publication number Publication date
DE69608214T2 (de) 2000-10-26
JPH09186867A (ja) 1997-07-15
JP3089216B2 (ja) 2000-09-18
DE69608214D1 (de) 2000-06-15
EP0777377A1 (fr) 1997-06-04
US5818971A (en) 1998-10-06
EP0777377B1 (fr) 2000-05-10

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Effective date: 20010601