JPH0357508B2 - - Google Patents

Info

Publication number
JPH0357508B2
JPH0357508B2 JP57000124A JP12482A JPH0357508B2 JP H0357508 B2 JPH0357508 B2 JP H0357508B2 JP 57000124 A JP57000124 A JP 57000124A JP 12482 A JP12482 A JP 12482A JP H0357508 B2 JPH0357508 B2 JP H0357508B2
Authority
JP
Japan
Prior art keywords
difference
positive
signs
negative
values
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 - Lifetime
Application number
JP57000124A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57168383A (en
Inventor
Nadoraa Mooton
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.)
IMEEJI PUROSETSUSHINGU TEKUNOROJIIZU Inc
Original Assignee
IMEEJI PUROSETSUSHINGU TEKUNOROJIIZU 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 IMEEJI PUROSETSUSHINGU TEKUNOROJIIZU Inc filed Critical IMEEJI PUROSETSUSHINGU TEKUNOROJIIZU Inc
Publication of JPS57168383A publication Critical patent/JPS57168383A/ja
Publication of JPH0357508B2 publication Critical patent/JPH0357508B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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)
JP57000124A 1981-01-05 1982-01-05 Method and device for changing pattern into binary Granted JPS57168383A (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JPS57168383A JPS57168383A (en) 1982-10-16
JPH0357508B2 true JPH0357508B2 (OSRAM) 1991-09-02

Family

ID=10518780

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57000124A Granted JPS57168383A (en) 1981-01-05 1982-01-05 Method and device for changing pattern into binary

Country Status (5)

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

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60501733A (ja) * 1983-06-03 1985-10-11 グレイヴュア、アソウシエイシャン、アヴ、アメリカ、インコ−パレイテイド 電気機械式刻版機用スクリ−ングラビア彫刻システム
EP0152786A3 (en) * 1984-01-27 1987-05-06 E.I. Du Pont De Nemours And Company Spot quantitation
EP0151974A3 (en) * 1984-01-27 1987-05-06 E.I. Du Pont De Nemours And Company Spot quantitation
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
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
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
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
WO1990006653A1 (en) * 1988-12-02 1990-06-14 Image Processing Technologies, Inc. Method and apparatus for digitizing an image
US4918543A (en) * 1989-01-24 1990-04-17 Eastman Kodak Company Apparatus for thresholding an image signal
US4912569A (en) * 1989-01-24 1990-03-27 Eastman Kodak Company Method for thresholding an image signal
US5151794A (en) * 1989-01-30 1992-09-29 Ezel Inc. Image processing method
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
US5133073A (en) * 1990-05-29 1992-07-21 Wavetracer, Inc. Processor array of N-dimensions which is physically reconfigurable into N-1
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 (OSRAM) * 1971-12-02 1973-07-27 Honeywell Bull
JPS5231134B2 (OSRAM) * 1972-01-24 1977-08-12
US3973239A (en) * 1973-10-17 1976-08-03 Hitachi, Ltd. Pattern preliminary processing system
CH604452A5 (OSRAM) * 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
EP0055965A2 (en) 1982-07-14
JPS57168383A (en) 1982-10-16
ATE41833T1 (de) 1989-04-15
DE3177021D1 (en) 1989-05-03
EP0055965B1 (en) 1989-03-29
EP0055965A3 (en) 1984-08-01

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