DE3879609T2 - Verfahren und Vorrichtung zum Erkennen von kennzeichnenden Unterschieden in einem Blattmaterial. - Google Patents

Verfahren und Vorrichtung zum Erkennen von kennzeichnenden Unterschieden in einem Blattmaterial.

Info

Publication number
DE3879609T2
DE3879609T2 DE88116888T DE3879609T DE3879609T2 DE 3879609 T2 DE3879609 T2 DE 3879609T2 DE 88116888 T DE88116888 T DE 88116888T DE 3879609 T DE3879609 T DE 3879609T DE 3879609 T2 DE3879609 T2 DE 3879609T2
Authority
DE
Germany
Prior art keywords
sheet material
distinctive differences
recognizing
recognizing distinctive
differences
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
DE88116888T
Other languages
English (en)
Other versions
DE3879609D1 (de
Inventor
Kenei-Juutaku Ohnishi
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.)
Futec Inc
Original Assignee
Futec 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 Futec Inc filed Critical Futec Inc
Publication of DE3879609D1 publication Critical patent/DE3879609D1/de
Application granted granted Critical
Publication of DE3879609T2 publication Critical patent/DE3879609T2/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
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • G06T7/0004—Industrial image inspection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/0036—Devices for scanning or checking the printed matter for quality control
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/956—Inspecting patterns on the surface of objects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
    • G01N2021/8896—Circuits specially adapted for system specific signal conditioning
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30108—Industrial image inspection
    • G06T2207/30124—Fabrics; Textile; Paper
DE88116888T 1987-10-14 1988-10-12 Verfahren und Vorrichtung zum Erkennen von kennzeichnenden Unterschieden in einem Blattmaterial. Expired - Fee Related DE3879609T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62258683A JP2597370B2 (ja) 1987-10-14 1987-10-14 シート状被検材の有意差検出方法

Publications (2)

Publication Number Publication Date
DE3879609D1 DE3879609D1 (de) 1993-04-29
DE3879609T2 true DE3879609T2 (de) 1993-10-28

Family

ID=17323649

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88116888T Expired - Fee Related DE3879609T2 (de) 1987-10-14 1988-10-12 Verfahren und Vorrichtung zum Erkennen von kennzeichnenden Unterschieden in einem Blattmaterial.

Country Status (5)

Country Link
US (1) US4975971A (de)
EP (1) EP0311991B1 (de)
JP (1) JP2597370B2 (de)
DE (1) DE3879609T2 (de)
IE (1) IE61590B1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4922337B1 (en) * 1988-04-26 1994-05-03 Picker Int Inc Time delay and integration of images using a frame transfer ccd sensor
US5146510A (en) * 1989-02-09 1992-09-08 Philip Morris Incorporated Methods and apparatus for optically determining the acceptability of products
US5046111A (en) * 1989-02-09 1991-09-03 Philip Morris Incorporated Methods and apparatus for optically determining the acceptability of products
DE4005558A1 (de) * 1990-02-22 1991-09-19 Roland Man Druckmasch Verfahren zur prozessdiagnose einer rotationsdruckmaschine anhand von remissionen von vollton- und rastertonfeldern
US5115475A (en) * 1990-06-04 1992-05-19 Motorola, Inc. Automatic semiconductor package inspection method
US5214712A (en) * 1990-09-11 1993-05-25 Matsushita Electric Industrial Co., Ltd. Pattern inspection system for inspecting defect of land pattern for through-hole on printed board
US5132791A (en) * 1990-09-25 1992-07-21 Ball Corporation Optical sheet inspection system
GB9021444D0 (en) * 1990-10-02 1990-11-14 Delco Electronic Overseas Corp Light mask
US5237621A (en) * 1991-08-08 1993-08-17 Philip Morris Incorporated Product appearance inspection methods and apparatus employing low variance filter
US5365596A (en) * 1992-12-17 1994-11-15 Philip Morris Incorporated Methods and apparatus for automatic image inspection of continuously moving objects
US5305392A (en) * 1993-01-11 1994-04-19 Philip Morris Incorporated High speed, high resolution web inspection system
JP2000036033A (ja) * 1998-07-21 2000-02-02 Toshiba Eng Co Ltd 明暗検査装置および明暗検査方法
JP4230566B2 (ja) * 1998-07-21 2009-02-25 東芝ソリューション株式会社 欠陥統合処理装置および欠陥統合処理方法
JP4165932B2 (ja) 1998-07-21 2008-10-15 東芝ソリューション株式会社 明暗検査装置および明暗検査方法
US6335978B1 (en) 1999-02-09 2002-01-01 Moore North America, Inc. Variable printing system and method with optical feedback
US6804381B2 (en) * 2000-04-18 2004-10-12 The University Of Hong Kong Method of and device for inspecting images to detect defects
US6520498B2 (en) * 2000-12-21 2003-02-18 Eastman Kodak Company Method and apparatus for detection of wrinkled documents in a sheet feeding device
JP4472260B2 (ja) * 2003-02-07 2010-06-02 日本ボールドウィン株式会社 印刷面検査方法
JP4521235B2 (ja) 2004-08-25 2010-08-11 日立ソフトウエアエンジニアリング株式会社 撮影画像の変化抽出装置及び方法
JP2008001642A (ja) * 2006-06-22 2008-01-10 Nitto Denko Corp 薬物含有貼付剤
US8585050B2 (en) 2011-12-06 2013-11-19 Eastman Kodak Company Combined ultrasonic-based multifeed detection system and sound-based damage detection system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5326185A (en) * 1976-08-23 1978-03-10 Omron Tateisi Electronics Co Defect inspecting apparatus
JPS5861448A (ja) * 1981-10-09 1983-04-12 Hitachi Ltd パタ−ン検査方式
GB2129546B (en) * 1982-11-02 1985-09-25 Cambridge Instr Ltd Image comparison
US4614430A (en) * 1983-04-28 1986-09-30 Hitachi Ltd. Method of detecting pattern defect and its apparatus
JPS61100604A (ja) * 1984-10-24 1986-05-19 Hajime Sangyo Kk 表面検査装置
JPS61193054A (ja) * 1985-02-22 1986-08-27 Dainippon Printing Co Ltd 印刷物の欠陥検知方法
JPS62138740A (ja) * 1985-12-13 1987-06-22 Hiyuutec:Kk シ−ト面の欠陥検出方法

Also Published As

Publication number Publication date
DE3879609D1 (de) 1993-04-29
IE883066L (en) 1989-04-14
JPH01100441A (ja) 1989-04-18
EP0311991A3 (en) 1990-05-30
IE61590B1 (en) 1994-11-16
EP0311991B1 (de) 1993-03-24
US4975971A (en) 1990-12-04
EP0311991A2 (de) 1989-04-19
JP2597370B2 (ja) 1997-04-02

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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