DE3177021D1 - Process and device for the binarization of a pattern - Google Patents

Process and device for the binarization of a pattern

Info

Publication number
DE3177021D1
DE3177021D1 DE8181402085T DE3177021T DE3177021D1 DE 3177021 D1 DE3177021 D1 DE 3177021D1 DE 8181402085 T DE8181402085 T DE 8181402085T DE 3177021 T DE3177021 T DE 3177021T DE 3177021 D1 DE3177021 D1 DE 3177021D1
Authority
DE
Germany
Prior art keywords
positive
area
pattern
negative
difference
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
DE8181402085T
Other languages
English (en)
Inventor
Morton Nadler
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.)
Image Processing Tech
Image Processing Technologies Inc
Original Assignee
Image Processing Tech
Image Processing Technologies Inc
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 Image Processing Tech, Image Processing Technologies Inc filed Critical Image Processing Tech
Application granted granted Critical
Publication of DE3177021D1 publication Critical patent/DE3177021D1/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G06V10/28—Quantising the image, e.g. histogram thresholding for discrimination between background and foreground patterns

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
  • Character Input (AREA)
  • Image Input (AREA)
DE8181402085T 1981-01-05 1981-12-28 Process and device for the binarization of a pattern Expired DE3177021D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8100094 1981-01-05

Publications (1)

Publication Number Publication Date
DE3177021D1 true DE3177021D1 (en) 1989-05-03

Family

ID=10518780

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181402085T Expired DE3177021D1 (en) 1981-01-05 1981-12-28 Process and device for the binarization of a pattern

Country Status (5)

Country Link
US (1) US4509195A (de)
EP (1) EP0055965B1 (de)
JP (1) JPS57168383A (de)
AT (1) ATE41833T1 (de)
DE (1) DE3177021D1 (de)

Families Citing this family (38)

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EP0144315B1 (de) * 1983-06-03 1991-02-06 Gravure Association of America, Inc. Bildschirmgravierungsverfahren für elektromechanische gravierer
EP0152786A3 (de) * 1984-01-27 1987-05-06 E.I. Du Pont De Nemours And Company Bildelementquantisierung
EP0151974A3 (de) * 1984-01-27 1987-05-06 E.I. Du Pont De Nemours And Company Bildelementquantisierung
US4853970A (en) * 1984-03-24 1989-08-01 Integrated Automation Apparatus for processing digitized images
US5267330A (en) * 1984-06-19 1993-11-30 Canon Kabushiki Kaisha Image processing apparatus
US4593325A (en) * 1984-08-20 1986-06-03 The Mead Corporation Adaptive threshold document duplication
SE448124B (sv) * 1985-05-23 1987-01-19 Context Vision Ab Anordning for detektering av variationsgraden av en egenskap i ett omrade av en i diskreta bildelement uppdelad bild
SE448126B (sv) * 1985-05-23 1987-01-19 Context Vision Ab Anordning for detektering av sprangartade forendringar av en egenskap inom ett omrade av en i diskreta bildelement uppdelad bild
SE448125B (sv) * 1985-05-23 1987-01-19 Context Vision Ab Anordning for bestemning av graden av konstans hos en egenskap for ett omrade i en i diskreta bildelement uppdelad bild
FR2586120B1 (fr) * 1985-08-07 1987-12-04 Armines Procede et dispositif de transformation sequentielle d'image
US4713781A (en) * 1985-09-19 1987-12-15 Deere & Company Grain damage analyzer
US4742557A (en) * 1985-11-08 1988-05-03 Ncr Corporation Adaptive character extraction method and system
JPS62118676A (ja) * 1985-11-18 1987-05-30 Sharp Corp 画像処理方式
US4764971A (en) * 1985-11-25 1988-08-16 Eastman Kodak Company Image processing method including image segmentation
US4769644A (en) * 1986-05-05 1988-09-06 Texas Instruments Incorporated Cellular automata devices
JP2577748B2 (ja) * 1986-12-01 1997-02-05 サカタインクス株式会社 画像信号の補間方法及びそれを実施する画像信号処理装置
US4754490A (en) * 1987-05-22 1988-06-28 Environmental Research Institute Of Michigan Linked-list image feature extraction
AU4820290A (en) * 1988-12-02 1990-06-26 Nikolaos D. Asimopoulos Method and apparatus for digitizing an image
US4912569A (en) * 1989-01-24 1990-03-27 Eastman Kodak Company Method for thresholding an image signal
US4918543A (en) * 1989-01-24 1990-04-17 Eastman Kodak Company Apparatus for thresholding an image signal
US5151794A (en) * 1989-01-30 1992-09-29 Ezel Inc. Image processing method
US5133073A (en) * 1990-05-29 1992-07-21 Wavetracer, Inc. Processor array of N-dimensions which is physically reconfigurable into N-1
US5157785A (en) * 1990-05-29 1992-10-20 Wavetracer, Inc. Process cell for an n-dimensional processor array having a single input element with 2n data inputs, memory, and full function arithmetic logic unit
US5455873A (en) * 1990-12-03 1995-10-03 Information International, Inc. Facsimile dynamic thresholding apparatus and method of use thereof
JP3276985B2 (ja) * 1991-06-27 2002-04-22 ゼロックス・コーポレーション イメージピクセル処理方法
US5268580A (en) * 1992-09-02 1993-12-07 Ncr Corporation Bar code enhancement system and method for vision scanners
US5982943A (en) * 1992-09-14 1999-11-09 Startek Eng. Inc. Method for determining background or object pixel for digitizing image data
US5278670A (en) * 1992-12-18 1994-01-11 Xerox Corporation Content-based resolution conversion of color documents
WO1994023531A1 (en) * 1993-04-01 1994-10-13 Image Processing Technologies, Inc. Process and device for analyzing image data in a digital signal from a scanned document
US5341226A (en) * 1993-04-22 1994-08-23 Xerox Corporation Automatic image segmentation for color documents
US5327262A (en) * 1993-05-24 1994-07-05 Xerox Corporation Automatic image segmentation with smoothing
US5339172A (en) * 1993-06-11 1994-08-16 Xerox Corporation Apparatus and method for segmenting an input image in one of a plurality of modes
JP3037432B2 (ja) * 1993-11-01 2000-04-24 カドラックス・インク 光波オーブンによる食物調理方法および調理装置
US6549656B1 (en) 1993-11-29 2003-04-15 Xerox Corporation Fuzzy image segmentation
US6195467B1 (en) 1999-03-25 2001-02-27 Image Processing Technologies, Inc. Method and apparatus for sharpening a grayscale image
US7075681B1 (en) 1999-11-09 2006-07-11 Kodak Graphic Communications Canada Company System and method for reducing the data volume of images
US7474800B2 (en) * 2004-01-29 2009-01-06 Ati Technologies Ulc Method and apparatus for removing image compression artifacts
RU2662630C1 (ru) * 2017-08-14 2018-07-26 Акционерное общество "Научно-Производственный Комплекс "Альфа-М" Способ фильтрации бинарного изображения

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1280155A (en) * 1968-06-25 1972-07-05 Nat Res Dev Improvements in or relating to apparatus for character recognition
FR2163815A5 (de) * 1971-12-02 1973-07-27 Honeywell Bull
JPS5231134B2 (de) * 1972-01-24 1977-08-12
US3973239A (en) * 1973-10-17 1976-08-03 Hitachi, Ltd. Pattern preliminary processing system
CH604452A5 (de) * 1975-12-09 1978-09-15 Foerderung Forschung Gmbh
US4119947A (en) * 1977-07-20 1978-10-10 Howard Noyes Leighton Optical signal processor

Also Published As

Publication number Publication date
US4509195A (en) 1985-04-02
EP0055965B1 (de) 1989-03-29
ATE41833T1 (de) 1989-04-15
EP0055965A3 (en) 1984-08-01
EP0055965A2 (de) 1982-07-14
JPS57168383A (en) 1982-10-16
JPH0357508B2 (de) 1991-09-02

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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