DE69015235D1 - Vorrichtung und Methode zur Umwandlung eines punktorganisierten einfarbigen Bildes in ein Grauwertbild mittels Operationen in einer Suchtabelle. - Google Patents

Vorrichtung und Methode zur Umwandlung eines punktorganisierten einfarbigen Bildes in ein Grauwertbild mittels Operationen in einer Suchtabelle.

Info

Publication number
DE69015235D1
DE69015235D1 DE69015235T DE69015235T DE69015235D1 DE 69015235 D1 DE69015235 D1 DE 69015235D1 DE 69015235 T DE69015235 T DE 69015235T DE 69015235 T DE69015235 T DE 69015235T DE 69015235 D1 DE69015235 D1 DE 69015235D1
Authority
DE
Germany
Prior art keywords
organized
gray
converting
operations
point
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
DE69015235T
Other languages
English (en)
Other versions
DE69015235T2 (de
Inventor
Jack Chunsheng Lee
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE69015235D1 publication Critical patent/DE69015235D1/de
Publication of DE69015235T2 publication Critical patent/DE69015235T2/de
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 transformation in the plane of the image
    • G06T3/40—Scaling the whole image or part thereof
    • G06T3/4023—Decimation- or insertion-based scaling, e.g. pixel or line decimation
    • 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
    • H04N1/40075—Descreening, i.e. converting a halftone signal into a corresponding continuous-tone signal; Rescreening, i.e. combined descreening and halftoning
DE69015235T 1989-03-31 1990-01-17 Vorrichtung und Methode zur Umwandlung eines punktorganisierten einfarbigen Bildes in ein Grauwertbild mittels Operationen in einer Suchtabelle. Expired - Fee Related DE69015235T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/331,485 US5029107A (en) 1989-03-31 1989-03-31 Apparatus and accompanying method for converting a bit mapped monochromatic image to a grey scale image using table look up operations

Publications (2)

Publication Number Publication Date
DE69015235D1 true DE69015235D1 (de) 1995-02-02
DE69015235T2 DE69015235T2 (de) 1995-06-29

Family

ID=23294167

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69015235T Expired - Fee Related DE69015235T2 (de) 1989-03-31 1990-01-17 Vorrichtung und Methode zur Umwandlung eines punktorganisierten einfarbigen Bildes in ein Grauwertbild mittels Operationen in einer Suchtabelle.

Country Status (4)

Country Link
US (1) US5029107A (de)
EP (1) EP0389743B1 (de)
JP (1) JPH02286267A (de)
DE (1) DE69015235T2 (de)

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WO1992012594A2 (en) * 1991-01-10 1992-07-23 Wang Laboratories, Inc. Image undithering apparatus and method
DE69225843T2 (de) * 1991-07-05 1998-12-24 Philips Electronics Nv Datenverarbeitungssystem mit Mitteln zum Anzeigen verkleinerter Bilder und Verfahren zur Bildverkleinerung
US5841955A (en) * 1991-12-02 1998-11-24 Goss Graphic Systems, Inc. Control system for a printing press
CA2058363C (en) * 1991-12-23 1997-02-25 Eric Labadie Method for decoding compressed images
JP3082491B2 (ja) * 1992-01-27 2000-08-28 松下電器産業株式会社 文字フォントデータ出力装置
US5528261A (en) * 1992-06-09 1996-06-18 Apple Computer, Inc. Operating system software architecture and methods for supporting color processing
US5559930A (en) * 1992-08-03 1996-09-24 Hewlett-Packard Company Method for reducing pixel density along a plurality of axes of a multiple dimension image representation
US5455681A (en) * 1992-11-16 1995-10-03 Eastman Kodak Company Low resolution grey level printing method from high resolution binary input file
US5528740A (en) * 1993-02-25 1996-06-18 Document Technologies, Inc. Conversion of higher resolution images for display on a lower-resolution display device
JPH06250633A (ja) * 1993-02-26 1994-09-09 Fujitsu Ltd 多階調フォント生成方法及び多階調フォント生成装置
US6002694A (en) 1994-02-17 1999-12-14 Hitachi, Ltd. Interactive chargeable communication system with billing system therefor
JPH0818703A (ja) * 1994-04-28 1996-01-19 Xerox Corp システム動作方法
DE69530169T2 (de) * 1994-12-28 2003-11-13 Fuji Photo Film Co Ltd Verfahren zur Erzeugung von Farbprobeabzügen
US5696604A (en) * 1995-01-04 1997-12-09 Xerox Corporation Analytical halftone dot construction for a hyperacuity printer
US5812705A (en) * 1995-02-28 1998-09-22 Goss Graphic Systems, Inc. Device for automatically aligning a production copy image with a reference copy image in a printing press control system
DE19508163A1 (de) * 1995-03-08 1996-09-12 Hell Ag Linotype Verfahren zur Vereinigung von Farbauszugswerten zu einer einem Farbdruck entsprechenden Schwarz/Weiß-Ausgabe
US5767980A (en) * 1995-06-20 1998-06-16 Goss Graphic Systems, Inc. Video based color sensing device for a printing press control system
US5764774A (en) * 1995-09-25 1998-06-09 Intermec Corporation Source data compression and decompression in code symbol printing and decoding
US5805280A (en) * 1995-09-28 1998-09-08 Goss Graphic Systems, Inc. Control system for a printing press
EP0765748A3 (de) * 1995-09-29 1997-08-13 Goss Graphics Systems Inc Einrichtung zum Ausrichten von Bildern in einem Kontrollsystem für eine Druckmaschine
US5903712A (en) * 1995-10-05 1999-05-11 Goss Graphic Systems, Inc. Ink separation device for printing press ink feed control
US5742708A (en) * 1995-11-15 1998-04-21 Xerox Corporation Method and system for performing perspective projection conversion
US7403213B1 (en) * 1997-06-04 2008-07-22 Texas Instruments Incorporated Boundary dispersion for artifact mitigation
US6252676B1 (en) * 1997-06-04 2001-06-26 Agfa Corporation System and method for proofing
US5952994A (en) * 1997-07-31 1999-09-14 Hewlett-Packard Company Method for scaling an image
US6181357B1 (en) 1998-02-17 2001-01-30 International Business Machines Corporation Method and system for the modification of the timing of a plurality of PEL clocks in an electrophotographic device
US7375857B1 (en) 2000-09-22 2008-05-20 Eastman Kodak Company Print proofing with color and screen matching
US20020138564A1 (en) * 2001-03-21 2002-09-26 Treptow Jay A. Universal printing and document imaging system and method
US6786565B2 (en) * 2001-09-24 2004-09-07 Creo Americas, Inc. Inkjet proofing with matched color and screen resolution
US8031363B2 (en) * 2003-03-31 2011-10-04 Electronics For Imaging, Inc. Methods and apparatus for dynamically soft proofing halftone images
US7515758B2 (en) * 2004-02-03 2009-04-07 International Business Machines Corporation Black white image compression having print density control
US7830552B2 (en) * 2005-04-15 2010-11-09 International Business Machines Corporation Black white image scaling having print density control and polarity detection
US20070234611A1 (en) * 2006-03-15 2007-10-11 Steven Ochs Multi-laminate three-dimensional video display and methods therefore
US8023738B1 (en) 2006-03-28 2011-09-20 Amazon Technologies, Inc. Generating reflow files from digital images for rendering on various sized displays
US7433548B2 (en) * 2006-03-28 2008-10-07 Amazon Technologies, Inc. Efficient processing of non-reflow content in a digital image
US7788580B1 (en) * 2006-03-28 2010-08-31 Amazon Technologies, Inc. Processing digital images including headers and footers into reflow content
US7966557B2 (en) * 2006-03-29 2011-06-21 Amazon Technologies, Inc. Generating image-based reflowable files for rendering on various sized displays
US7962499B2 (en) 2006-08-18 2011-06-14 Falconstor, Inc. System and method for identifying and mitigating redundancies in stored data
US7715635B1 (en) 2006-09-28 2010-05-11 Amazon Technologies, Inc. Identifying similarly formed paragraphs in scanned images
US7810026B1 (en) 2006-09-29 2010-10-05 Amazon Technologies, Inc. Optimizing typographical content for transmission and display
US8782516B1 (en) 2007-12-21 2014-07-15 Amazon Technologies, Inc. Content style detection
US8572480B1 (en) 2008-05-30 2013-10-29 Amazon Technologies, Inc. Editing the sequential flow of a page
US9229911B1 (en) 2008-09-30 2016-01-05 Amazon Technologies, Inc. Detecting continuation of flow of a page
US8499236B1 (en) 2010-01-21 2013-07-30 Amazon Technologies, Inc. Systems and methods for presenting reflowable content on a display
US8996984B2 (en) 2010-04-29 2015-03-31 International Business Machines Corporation Automatic visual preview of non-visual data
US8928769B2 (en) 2011-03-31 2015-01-06 Drs Sustainment Systems, Inc. Method for image processing of high-bit depth sensors

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Publication number Priority date Publication date Assignee Title
US4084196A (en) * 1977-01-31 1978-04-11 Dacom, Inc. Electronic half-tone generating means for facsimile reproduction system
US4210936A (en) * 1977-12-27 1980-07-01 Pitney Bowes Inc. Method and apparatus for reproducing an original gray scale image
EP0095514B1 (de) * 1982-05-28 1985-10-16 DR.-ING. RUDOLF HELL GmbH Verfahren und Einrichtung zur Reproduktion eines Bildes mit gröberer Auflösung als bei der Bildabtastung
US4486785A (en) * 1982-09-30 1984-12-04 International Business Machines Corporation Enhancement of video images by selective introduction of gray-scale pels
US4630125A (en) * 1983-06-01 1986-12-16 Xerox Corporation Unscreening of stored digital halftone images
US4672559A (en) * 1984-12-26 1987-06-09 E. I. Du Pont De Nemours And Company Method for operating a microscopical mapping system
JPS63265371A (ja) * 1986-12-15 1988-11-01 Toshiba Corp 線図形つなぎ装置
JPH0230561A (ja) * 1988-07-21 1990-01-31 Canon Inc 画像処理装置

Also Published As

Publication number Publication date
DE69015235T2 (de) 1995-06-29
EP0389743B1 (de) 1994-12-21
EP0389743A2 (de) 1990-10-03
EP0389743A3 (de) 1991-09-25
US5029107A (en) 1991-07-02
JPH02286267A (ja) 1990-11-26

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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