JPH103536A - ソース画像を宛先画像に変換するシステム - Google Patents

ソース画像を宛先画像に変換するシステム

Info

Publication number
JPH103536A
JPH103536A JP9043108A JP4310897A JPH103536A JP H103536 A JPH103536 A JP H103536A JP 9043108 A JP9043108 A JP 9043108A JP 4310897 A JP4310897 A JP 4310897A JP H103536 A JPH103536 A JP H103536A
Authority
JP
Japan
Prior art keywords
image
source
pixel
threshold
register
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.)
Withdrawn
Application number
JP9043108A
Other languages
English (en)
Japanese (ja)
Other versions
JPH103536A5 (enExample
Inventor
Robert A Rust
ロバート・エイ・ラスト
David B Fujii
デビッド・ビー・フジイ
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 JPH103536A publication Critical patent/JPH103536A/ja
Publication of JPH103536A5 publication Critical patent/JPH103536A5/ja
Withdrawn legal-status Critical Current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
    • H04N1/4055—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06T3/403—Edge-driven scaling; Edge-based scaling
    • 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
    • H04N1/40068—Modification of image resolution, i.e. determining the values of picture elements at new relative positions

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP9043108A 1996-03-04 1997-02-27 ソース画像を宛先画像に変換するシステム Withdrawn JPH103536A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US606,468 1996-03-04
US08/606,468 US5771105A (en) 1996-03-04 1996-03-04 High speed system for grey level image scaling, threshold matrix alignment and tiling, and creation of a binary half-tone image

Publications (2)

Publication Number Publication Date
JPH103536A true JPH103536A (ja) 1998-01-06
JPH103536A5 JPH103536A5 (enExample) 2004-12-24

Family

ID=24428111

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9043108A Withdrawn JPH103536A (ja) 1996-03-04 1997-02-27 ソース画像を宛先画像に変換するシステム

Country Status (3)

Country Link
US (1) US5771105A (enExample)
EP (1) EP0794655A3 (enExample)
JP (1) JPH103536A (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6930800B1 (en) * 1998-09-09 2005-08-16 Fuji Xerox Co., Ltd. Halftone generation system and halftone generation method
US7062077B1 (en) * 1999-10-29 2006-06-13 Helena Laboratories Corporation Scanner densitometer and data evaluation method
KR100467582B1 (ko) * 2002-01-22 2005-01-24 삼성전자주식회사 이치화를 위한 어드레싱 방법 및 장치
GB2387817A (en) * 2002-04-27 2003-10-29 Hewlett Packard Co Page wide array inkjet printer having halftone controller and multiple printheads, each printing different image strips.
WO2004086750A1 (ja) * 2003-03-27 2004-10-07 Seiko Epson Corporation 画像出力制御システム、画像出力装置および画像処理装置
CN1765118A (zh) * 2003-03-27 2006-04-26 精工爱普生株式会社 图象输出控制系统、图象处理装置及其方法
US6999105B2 (en) * 2003-12-04 2006-02-14 International Business Machines Corporation Image scaling employing horizontal partitioning
US7768673B2 (en) * 2005-09-12 2010-08-03 Kabushiki Kaisha Toshiba Generating multi-bit halftone dither patterns with distinct foreground and background gray scale levels
CN100450142C (zh) * 2005-11-17 2009-01-07 致伸科技股份有限公司 用于印表机的影像处理系统及其影像处理方法
US8374234B2 (en) * 2006-09-29 2013-02-12 Francis S. J. Munoz Digital scaling
JP4799482B2 (ja) * 2007-06-04 2011-10-26 キヤノン株式会社 画像形成装置とその制御方法
TWI503788B (zh) 2013-10-02 2015-10-11 Jar Ferr Yang 還原尺寸重調景深圖框爲原始景深圖框的方法、裝置及系統
US11037330B2 (en) * 2017-04-08 2021-06-15 Intel Corporation Low rank matrix compression

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4246614A (en) * 1979-12-26 1981-01-20 Xerox Corporation Binary graphic printer system having an electronic screen with shift control suited for rescreening
JPS57171337A (en) * 1981-04-14 1982-10-21 Dainippon Screen Mfg Co Ltd Production of halftone plate picture
US4701808A (en) * 1983-11-01 1987-10-20 Canon Kabushiki Kaisha Image processing apparatus with variable magnification and gray level processing
JPS60165873A (ja) * 1984-02-09 1985-08-29 Dainippon Screen Mfg Co Ltd 網点発生器のアドレス発生方法
AU605298B2 (en) * 1987-05-29 1991-01-10 Digital Equipment Corporation System for producing dithered images on asymmetric grids
US5289293A (en) * 1989-03-14 1994-02-22 Canon Kabushiki Kaisha Pixel density conversion and processing
US5297289A (en) * 1989-10-31 1994-03-22 Rockwell International Corporation System which cooperatively uses a systolic array processor and auxiliary processor for pixel signal enhancement
DE69123832T2 (de) * 1991-02-08 1997-07-24 Adobe Systems, Inc., Mountain View, Calif. 94039 Punktgrössesteuerverfahren bei digitaler Halbtonrasterung mit mehrzelliger Schwellenmatrix
US5124803A (en) * 1991-02-25 1992-06-23 Ecrm Method and apparatus for generating digital, angled halftone screens using pixel candidate lists and screen angle correction to prevent moire patterns
EP0529965A3 (en) * 1991-08-23 1993-12-08 Levien Raphael L High speed screening of images
US5438431A (en) * 1992-05-21 1995-08-01 Ostromoukhov; Victor B. Method and apparatus for generating digital halftone images using a rotated dispersed dither matrix
US5526445A (en) * 1993-08-23 1996-06-11 Prepress Solutions, Inc. Spot function endtone noise and growth
US5422742A (en) * 1993-09-08 1995-06-06 Ostromoukhov; Victor B. Method and apparatus for generating halftone images by discrete one-to-one dither tile rotation

Also Published As

Publication number Publication date
US5771105A (en) 1998-06-23
EP0794655A3 (en) 2003-05-14
EP0794655A2 (en) 1997-09-10

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