DE68924190T2 - Bildverarbeitungsmethode. - Google Patents

Bildverarbeitungsmethode.

Info

Publication number
DE68924190T2
DE68924190T2 DE68924190T DE68924190T DE68924190T2 DE 68924190 T2 DE68924190 T2 DE 68924190T2 DE 68924190 T DE68924190 T DE 68924190T DE 68924190 T DE68924190 T DE 68924190T DE 68924190 T2 DE68924190 T2 DE 68924190T2
Authority
DE
Germany
Prior art keywords
image processing
processing method
image
processing
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
DE68924190T
Other languages
English (en)
Other versions
DE68924190D1 (de
Inventor
Ryohei C O Ezel Inc Kumagai
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.)
Yozan Inc
Original Assignee
Ezel Inc
Sharp 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 Ezel Inc, Sharp Corp filed Critical Ezel Inc
Publication of DE68924190D1 publication Critical patent/DE68924190D1/de
Application granted granted Critical
Publication of DE68924190T2 publication Critical patent/DE68924190T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/11—Region-based segmentation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/136—Segmentation; Edge detection involving thresholding
    • 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
DE68924190T 1988-04-11 1989-04-07 Bildverarbeitungsmethode. Expired - Lifetime DE68924190T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63088484A JPH0668763B2 (ja) 1988-04-11 1988-04-11 画像処理方法

Publications (2)

Publication Number Publication Date
DE68924190D1 DE68924190D1 (de) 1995-10-19
DE68924190T2 true DE68924190T2 (de) 1996-02-15

Family

ID=13944070

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68924190T Expired - Lifetime DE68924190T2 (de) 1988-04-11 1989-04-07 Bildverarbeitungsmethode.

Country Status (4)

Country Link
US (1) US5075872A (de)
EP (1) EP0337325B1 (de)
JP (1) JPH0668763B2 (de)
DE (1) DE68924190T2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5177623A (en) * 1988-04-07 1993-01-05 Minolta Camera Kabushiki Kaisha Image processing apparatus and method
FR2670979A1 (fr) * 1990-12-21 1992-06-26 Philips Electronique Lab Procede de segmentation binaire locale d'images numerisees, par seuillage d'histogramme.
JP2750226B2 (ja) * 1991-02-19 1998-05-13 大日本スクリーン製造株式会社 二値化閾値の設定方法
US5295202A (en) * 1991-08-19 1994-03-15 Eastman Kodak Company Method and apparatus for replicating a two-color original image with foreground and background colors exchanged
US5337373A (en) * 1991-10-24 1994-08-09 International Business Machines Corporation Automatic threshold generation technique
JPH05225322A (ja) * 1991-11-27 1993-09-03 Ezel Inc 画像データ圧縮方法
JP3376003B2 (ja) * 1992-03-05 2003-02-10 キヤノン株式会社 画像処理装置及び画像処理方法
DE4241812A1 (de) * 1992-12-11 1994-06-16 Bosch Gmbh Robert Verfahren zur adaptiven Quantisierung eines Eingangswertebereiches
US5583659A (en) * 1994-11-10 1996-12-10 Eastman Kodak Company Multi-windowing technique for thresholding an image using local image properties
US5710828A (en) * 1995-03-30 1998-01-20 Fuji Photo Film Co., Ltd. Method and apparatus for converting a threshold matrix which is then used to binarize image signals
US5859924A (en) * 1996-07-12 1999-01-12 Robotic Vision Systems, Inc. Method and system for measuring object features
US6411737B2 (en) * 1997-12-19 2002-06-25 Ncr Corporation Method of selecting one of a plurality of binarization programs
US6360006B1 (en) 1998-09-29 2002-03-19 Canon Kabushiki Kaisha Color block selection
FR2843470B1 (fr) * 2002-08-07 2004-11-05 Holding Bev Sa Procede de fonctionnement et dispositif d'analyse de parametres mono et multidimensionnels par calcul et traitement d'histogramme, application a la perception active
AU2003282816A1 (en) * 2002-08-07 2004-02-25 Holding B.E.V. Sa Active visual perception method and device for characterisation and recognition through the analysis of mono/multidimensional parameters in multiclass computing units and histogram processing, dynamic unit recruitment
FR2843469B1 (fr) * 2002-08-07 2005-03-25 Holding Bev Sa Procede de fonctionnement et unite fonctionnelle multiclasse pour calcul et traitement d'histogramme, application a la perception active
US20060247863A1 (en) * 2005-04-28 2006-11-02 Bui Huy A Optimizing maldi mass spectrometer operation by sample plate image analysis
US20070201743A1 (en) * 2006-02-28 2007-08-30 Sharp Laboratories Of America, Inc. Methods and systems for identifying characteristics in a digital image
US11776093B2 (en) * 2019-07-16 2023-10-03 University Of Florida Research Foundation, Incorporated Automatic sharpness adjustment for imaging modalities

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5769356A (en) * 1980-10-13 1982-04-28 Toshiba Corp Extractor of concerned range
JPS5954376A (ja) * 1982-09-21 1984-03-29 Konishiroku Photo Ind Co Ltd 画像処理方法
JPS59106079A (ja) * 1982-12-10 1984-06-19 Omron Tateisi Electronics Co 図形照合装置の二値化装置
JPS60218181A (ja) * 1984-04-13 1985-10-31 Fujitsu Ltd 画像処理装置
US4656665A (en) * 1985-01-15 1987-04-07 International Business Machines Corporation Thresholding technique for graphics images using histogram analysis
US4742557A (en) * 1985-11-08 1988-05-03 Ncr Corporation Adaptive character extraction method and system
US4847786A (en) * 1986-08-20 1989-07-11 The Regents Of The University Of California Object analysis of multi-valued images

Also Published As

Publication number Publication date
DE68924190D1 (de) 1995-10-19
EP0337325B1 (de) 1995-09-13
JPH01259465A (ja) 1989-10-17
JPH0668763B2 (ja) 1994-08-31
US5075872A (en) 1991-12-24
EP0337325A3 (en) 1990-12-19
EP0337325A2 (de) 1989-10-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: YOZAN INC., TOKIO/TOKYO, JP SHARP K.K., OSAKA, JP

8327 Change in the person/name/address of the patent owner

Owner name: YOZAN, INC., TOKIO/TOKYO, JP SHARP K.K., OSAKA, JP