KR20080106457A - 멀티레벨 하프톤 스크린 생성 방법 - Google Patents

멀티레벨 하프톤 스크린 생성 방법 Download PDF

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Publication number
KR20080106457A
KR20080106457A KR1020087023757A KR20087023757A KR20080106457A KR 20080106457 A KR20080106457 A KR 20080106457A KR 1020087023757 A KR1020087023757 A KR 1020087023757A KR 20087023757 A KR20087023757 A KR 20087023757A KR 20080106457 A KR20080106457 A KR 20080106457A
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KR
South Korea
Prior art keywords
screen
tile
dot
screen dot
halftone
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Withdrawn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
KR1020087023757A
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English (en)
Korean (ko)
Inventor
화이-추 타이
청-후이 쿠오
드미트리 아나톨리에비치 구세브
Original Assignee
이스트맨 코닥 캄파니
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Application filed by 이스트맨 코닥 캄파니 filed Critical 이스트맨 코닥 캄파니
Publication of KR20080106457A publication Critical patent/KR20080106457A/ko
Withdrawn legal-status Critical Current

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    • 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
    • H04N1/40087—Multi-toning, i.e. converting a continuous-tone signal for reproduction with more than two discrete brightnesses or optical densities, e.g. dots of grey and black inks on white paper
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • 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
    • H04N1/00838—Preventing unauthorised reproduction
    • H04N1/00856—Preventive measures
    • H04N1/00864—Modifying the reproduction, e.g. outputting a modified copy of a scanned original
    • H04N1/00867—Modifying the reproduction, e.g. outputting a modified copy of a scanned original with additional data, e.g. by adding a warning message
    • H04N1/0087—Modifying the reproduction, e.g. outputting a modified copy of a scanned original with additional data, e.g. by adding a warning message with hidden additional data, e.g. data invisible to the human eye
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Discrete Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
KR1020087023757A 2006-03-31 2007-03-22 멀티레벨 하프톤 스크린 생성 방법 Withdrawn KR20080106457A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/394,490 2006-03-31
US11/394,490 US7626730B2 (en) 2006-03-31 2006-03-31 Method of making a multilevel halftone screen

Publications (1)

Publication Number Publication Date
KR20080106457A true KR20080106457A (ko) 2008-12-05

Family

ID=38283050

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020087023757A Withdrawn KR20080106457A (ko) 2006-03-31 2007-03-22 멀티레벨 하프톤 스크린 생성 방법

Country Status (6)

Country Link
US (1) US7626730B2 (enExample)
EP (1) EP2002646A1 (enExample)
JP (1) JP5070279B2 (enExample)
KR (1) KR20080106457A (enExample)
CN (1) CN101416482B (enExample)
WO (1) WO2007120433A1 (enExample)

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US7986442B2 (en) * 2007-07-09 2011-07-26 Samsung Electronics Co., Ltd. Apparatus and method to generate a halftoning screen and image forming apparatus for same
JP5592014B2 (ja) 2010-09-30 2014-09-17 エンパイア テクノロジー ディベロップメント エルエルシー 高解像度テクスチャ抽出のためにパターンを投影すること
US8576449B2 (en) 2011-04-28 2013-11-05 Xerox Corporation Parametrically controlled halftone spot function for an irregular halftone grid
US8467099B2 (en) * 2011-05-16 2013-06-18 Xerox Corporation Directional halftone method with enhanced edge and detail rendition
WO2015195882A1 (en) * 2014-06-18 2015-12-23 James Collier Methods and apparatus for cryptography
US10500790B2 (en) * 2015-01-30 2019-12-10 Hewlett-Packard Development Company, L.P. Three-dimensional object substructures
UA127339C2 (uk) * 2016-01-05 2023-07-26 Юніверсіті Оф Лестер СПОСІБ ПРОФІЛАКТИКИ АБО ЗМЕНШЕННЯ УРАЖЕННЯ НИРОК У СУБ'ЄКТА, ЩО СТРАЖДАЄ НА СТЕРОЇДЗАЛЕЖНУ ІМУНОГЛОБУЛІН-А-НЕФРОПАТІЮ (IgAN)
US10062017B2 (en) 2016-04-22 2018-08-28 Eastman Kodak Company Print engine with adaptive processing
US9565337B1 (en) 2016-04-22 2017-02-07 Eastman Kodak Company Computing array of high-resolution halftone pixel values by addressing halftone dot function and averaging values to determine value at printer resolution
EP3463919B1 (en) 2016-05-27 2021-12-08 Esko Software BVBA Method for smoother tonal response in flexographic printing
JOP20190068A1 (ar) * 2016-10-13 2019-04-01 Omeros Corp طرق لتقليل البول البروتيني في خاضع بشري يعاني من الاعتلال الكلوي a الناتج عن الجلوبيولين المناعي
DE102016220199A1 (de) 2016-10-17 2018-04-19 Continental Automotive Gmbh Gleichspannungswandler und Verfahren zum Betreiben eines Gleichspannungswandlers
US10158784B2 (en) 2016-12-07 2018-12-18 Xerox Corporation System and method for adaptively compressing data having noisy images using lossless compression
CN107589921B (zh) * 2017-08-25 2021-03-09 亓文法 一种防复印底纹的生成方法和装置
WO2019076469A1 (en) 2017-10-20 2019-04-25 Hp Indigo B.V. HALF TINT SCREENS INCLUDING CLUSTER PATTERNS HAVING DIFFERENT CENTER POSITIONS
US10885405B2 (en) 2019-05-21 2021-01-05 Eastman Kodak Company Correcting cross-track errors in a linear printhead
US11126107B2 (en) 2019-05-21 2021-09-21 Eastman Kodak Company Printer with cross-track position error correction
US11106954B2 (en) 2019-09-09 2021-08-31 Eastman Kodak Company Correcting in-track errors in a linear printhead
US11138482B2 (en) 2019-09-09 2021-10-05 Eastman Kodak Company Printer with in-track position error correction
WO2021050257A1 (en) 2019-09-09 2021-03-18 Eastman Kodak Company Correcting in-track errors in a linear printhead
US10872278B1 (en) 2019-09-25 2020-12-22 Eastman Kodak Company Correcting tone scale errors in a digital printer
WO2021098955A1 (en) * 2019-11-20 2021-05-27 Hid Global Gmbh Method of generating a secure image
JP7540213B2 (ja) * 2020-06-30 2024-08-27 セイコーエプソン株式会社 画像処理装置、記録装置、画像処理方法、及び、記録方法
US11494599B2 (en) 2020-10-22 2022-11-08 Eastman Kodak Company Temporal correction of tone scale errors in a digital printer
US11797803B1 (en) 2022-08-10 2023-10-24 Eastman Kodak Company Track error correction incorporating anti-aliasing
US11914319B1 (en) 2022-08-10 2024-02-27 Eastman Kodak Company Printer providing in-track error correction incorporating anti-aliasing at cross-track positions

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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
US5341228A (en) 1990-12-04 1994-08-23 Research Corporation Technologies Method and apparatus for halftone rendering of a gray scale image using a blue noise mask
US5396584A (en) 1992-05-29 1995-03-07 Destiny Technology Corporation Multi-bit image edge enhancement method and apparatus
US5258850A (en) 1992-06-05 1993-11-02 Eastman Kodak Company Line screen design for gray scale rendering
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US5553165A (en) 1993-01-11 1996-09-03 Canon, Inc. Parallel error diffusion method and apparatus
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US5956157A (en) 1994-12-08 1999-09-21 Eastman Kodak Company Method and apparatus for locally blending gray dot types of the same or different types to reproduce an image with gray level printing
US5734752A (en) 1996-09-24 1998-03-31 Xerox Corporation Digital watermarking using stochastic screen patterns
US5787238A (en) 1996-11-14 1998-07-28 Xerox Corporation Clustered halftone dot design process
US5859955A (en) 1997-01-21 1999-01-12 Xerox Corporation Stochastically clustered dot halftoning system
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US6493112B1 (en) 1998-01-16 2002-12-10 University Of Delaware Method and apparatus for producing halftone images using green-noise masks having adjustable coarseness
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US6798537B1 (en) 1999-01-27 2004-09-28 The University Of Delaware Digital color halftoning with generalized error diffusion vector green-noise masks
US6606168B1 (en) 1999-03-31 2003-08-12 3M Innovative Properties Company Narrow band, anisotropic stochastic halftone patterns and methods of creating and using the same
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US7102789B2 (en) 2001-09-17 2006-09-05 Sharp Laboratories Of America, Inc. Method for rendering an image comprising multi-level pixels
JP2003209692A (ja) * 2001-11-12 2003-07-25 Seiko Epson Corp ハーフトーン処理装置、ハーフトーン処理方法及びプリンタ
US7139437B2 (en) * 2002-11-12 2006-11-21 Eastman Kodak Company Method and system for removing artifacts in compressed images
US6842184B2 (en) 2002-12-03 2005-01-11 Seiko Epson Corporation Three dimensional stochastic screen for LCD and video
US20040223189A1 (en) * 2003-05-09 2004-11-11 Anoop Bhattacharjya Rapid design of smooth multi-level multi-frequency screens
JP2005136612A (ja) * 2003-10-29 2005-05-26 Dainippon Screen Mfg Co Ltd 網点形成方法、網点形成装置および網点記録媒体
KR100561372B1 (ko) 2004-09-10 2006-03-17 삼성전자주식회사 인간의 시각 특성과 프린터 모델 특성에 기초한 집중형도트 스크린 설계방법 및 장치, 그리고 설계된 스크린을이용하여 이진영상을 출력하는 화상형성장치
US7505176B2 (en) * 2005-03-17 2009-03-17 Kabushiki Kaisha Toshiba Image processing apparatus

Also Published As

Publication number Publication date
EP2002646A1 (en) 2008-12-17
CN101416482B (zh) 2013-06-12
WO2007120433A1 (en) 2007-10-25
US7626730B2 (en) 2009-12-01
US20070236736A1 (en) 2007-10-11
JP2009532943A (ja) 2009-09-10
JP5070279B2 (ja) 2012-11-07
CN101416482A (zh) 2009-04-22

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Date Code Title Description
PA0105 International application

Patent event date: 20080929

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid