DE2963778D1 - Data manipulation apparatus for improving the legibility of scale changed image objects - Google Patents

Data manipulation apparatus for improving the legibility of scale changed image objects

Info

Publication number
DE2963778D1
DE2963778D1 DE7979103401T DE2963778T DE2963778D1 DE 2963778 D1 DE2963778 D1 DE 2963778D1 DE 7979103401 T DE7979103401 T DE 7979103401T DE 2963778 T DE2963778 T DE 2963778T DE 2963778 D1 DE2963778 D1 DE 2963778D1
Authority
DE
Germany
Prior art keywords
legibility
improving
data manipulation
image objects
changed image
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
Application number
DE7979103401T
Other languages
English (en)
Inventor
John Francis Minshull
Pavel Brazdil
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 DE2963778D1 publication Critical patent/DE2963778D1/de
Expired 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
    • 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
    • G06T3/403—Edge-driven scaling
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/20—Image enhancement or restoration by the use of local operators
    • G06T5/30—Erosion or dilatation, e.g. thinning
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/16—Image preprocessing
    • G06V30/166—Normalisation of pattern dimensions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/16—Image preprocessing
    • G06V30/168—Smoothing or thinning of the pattern; Skeletonisation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/20—Combination of acquisition, preprocessing or recognition functions
    • 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
    • H04N1/41—Bandwidth or redundancy reduction
    • H04N1/411—Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
DE7979103401T 1978-10-02 1979-09-12 Data manipulation apparatus for improving the legibility of scale changed image objects Expired DE2963778D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7838998A GB2030823B (en) 1978-10-02 1978-10-02 Image data manipulation apparatus

Publications (1)

Publication Number Publication Date
DE2963778D1 true DE2963778D1 (en) 1982-11-11

Family

ID=10500055

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979103401T Expired DE2963778D1 (en) 1978-10-02 1979-09-12 Data manipulation apparatus for improving the legibility of scale changed image objects

Country Status (6)

Country Link
US (1) US4290084A (de)
EP (1) EP0009674B1 (de)
JP (1) JPS5549768A (de)
CA (1) CA1137619A (de)
DE (1) DE2963778D1 (de)
GB (1) GB2030823B (de)

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JPS54109382A (en) * 1978-02-15 1979-08-27 Jeol Ltd Electron ray exposure
GB2038142B (en) * 1978-12-15 1982-11-24 Ibm Image data compression
DE3036711C2 (de) * 1980-09-29 1985-08-01 Siemens AG, 1000 Berlin und 8000 München Verfahren zum Verkleinern von grafischen Mustern
JPS5761386A (en) * 1980-09-30 1982-04-13 Sony Corp Printer
US4580134A (en) * 1982-11-16 1986-04-01 Real Time Design, Inc. Color video system using data compression and decompression
DE3585939D1 (de) * 1984-10-24 1992-06-04 Ibm Verfahren zur bildvergroesserung von in laufdarstellungsform gespeicherten bildern.
US4885786A (en) * 1984-10-24 1989-12-05 International Business Machines Corporation Method for enlarging an image stored in run representation form
US4783838A (en) * 1984-12-26 1988-11-08 Konishiroku Photo Industry Co., Ltd. Image processing method and apparatus therefor
JPH06101780B2 (ja) * 1985-05-22 1994-12-12 ミノルタ株式会社 画像読取装置
US5168369B1 (en) * 1985-05-22 1997-07-29 Minolta Camera Kk Image reader having electrical and optical means for varying magnification
US5195148A (en) * 1985-05-22 1993-03-16 Minolta Camera Kabushiki Kaisha Image reader having electrical and optical means for varying magnification
JP2692797B2 (ja) * 1986-09-02 1997-12-17 キヤノン株式会社 画像処理装置
JPH0693741B2 (ja) * 1988-01-14 1994-11-16 大日本スクリーン製造株式会社 網伏せにおける画像整形方法
DE3818534A1 (de) * 1988-05-31 1989-12-07 Brunner Wolfgang Verfahren zum darstellen der ortsaufgeloesten verteilung von physikalischen groessen auf einer anzeige sowie vorrichtung zur durchfuehrung des verfahrens
JP2998960B2 (ja) * 1988-08-26 2000-01-17 キヤノン株式会社 通信方法
JP2902655B2 (ja) * 1988-11-18 1999-06-07 株式会社東芝 画像読取装置及び画像読取方法
US4970604A (en) * 1989-04-14 1990-11-13 Coueignoux Philippe J Screen display enhancing system
JPH0831130B2 (ja) * 1989-05-12 1996-03-27 大日本スクリーン製造株式会社 線画像の処理方法
JP2787832B2 (ja) * 1989-06-30 1998-08-20 キヤノン株式会社 画像縮小方法
IL91221A (en) * 1989-08-04 1995-03-30 Ibm Israel Binary text compression method
US4977602A (en) * 1989-11-20 1990-12-11 Eastman Kodak Company Character normalization using an elliptical sampling window for optical character recognition
EP0455898A1 (de) * 1990-05-09 1991-11-13 Robert Bishop Bildabtastinspektionssystem
US5680225A (en) * 1991-02-14 1997-10-21 Canon Kabushiki Kaisha Image reduction with fine-line protection
US5349447A (en) * 1992-03-03 1994-09-20 Murata Kikai Kabushiki Kaisha Facsimile machine
JP3221997B2 (ja) * 1993-03-26 2001-10-22 株式会社東芝 画像処理装置
US5937112A (en) * 1993-10-28 1999-08-10 Agfa-Gevaert N.V. Interactive color image digitizing system having restricted memory capability
JP4310023B2 (ja) * 1999-06-17 2009-08-05 キヤノン株式会社 縮小画像作成方法及び装置、記憶媒体
GB0128888D0 (en) * 2001-12-03 2002-01-23 Imagination Tech Ltd Method and apparatus for compressing data and decompressing compressed data
GB2417384B (en) * 2001-12-03 2006-05-03 Imagination Tech Ltd Method and apparatus for compressing data and decompressing compressed data
US7353458B2 (en) * 2004-02-09 2008-04-01 Portalis, Lc Computer presentation and command integration method
EP1743270A4 (de) * 2004-02-09 2012-04-18 Portalis Lc Computerpräsentations- und befehlsintegrationsvorrichtung und -verfahren
US7779361B2 (en) * 2004-02-09 2010-08-17 Malmstrom R Dean Change-alarmed, integrated console apparatus and method
US7496846B2 (en) * 2004-02-09 2009-02-24 Portalis, Lc Computer presentation and command integration apparatus
US10885121B2 (en) * 2017-12-13 2021-01-05 International Business Machines Corporation Fast filtering for similarity searches on indexed data
US11478679B2 (en) * 2020-04-20 2022-10-25 Real Big Waves LLC Systems and methods for providing computer displays in aquatic environments

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1250166B (de) * 1962-05-21 1967-09-14 International Business Machines Corporation Armonk, NY (V St A) Vorrichtung zur maschinellen Zeichen erkennung
NL7016539A (de) * 1970-11-12 1972-05-16
US3813485A (en) * 1972-01-05 1974-05-28 Ibm System for compression of digital data
NL7201225A (de) * 1972-01-28 1973-07-31
GB1487920A (en) * 1973-12-21 1977-10-05 Mullard Ltd Character thinning apparatus
US3987412A (en) * 1975-01-27 1976-10-19 International Business Machines Corporation Method and apparatus for image data compression utilizing boundary following of the exterior and interior borders of objects
US4028731A (en) * 1975-09-29 1977-06-07 International Business Machines Corporation Apparatus for compression coding using cross-array correlation between two-dimensional matrices derived from two-valued digital images
US4020462A (en) * 1975-12-08 1977-04-26 International Business Machines Corporation Method and apparatus for form removal from contour compressed image data
US4124870A (en) * 1977-03-31 1978-11-07 International Business Machines Corporation Method for improving print quality of coarse-scan/fine-print character reproduction

Also Published As

Publication number Publication date
GB2030823B (en) 1982-11-03
EP0009674A1 (de) 1980-04-16
JPS6119074B2 (de) 1986-05-15
EP0009674B1 (de) 1982-09-29
JPS5549768A (en) 1980-04-10
GB2030823A (en) 1980-04-10
US4290084A (en) 1981-09-15
CA1137619A (en) 1982-12-14

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee