ATE99802T1 - Verfahren und vorrichtung zur bestimmung der bildklarheit einer oberflaeche. - Google Patents

Verfahren und vorrichtung zur bestimmung der bildklarheit einer oberflaeche.

Info

Publication number
ATE99802T1
ATE99802T1 AT91909449T AT91909449T ATE99802T1 AT E99802 T1 ATE99802 T1 AT E99802T1 AT 91909449 T AT91909449 T AT 91909449T AT 91909449 T AT91909449 T AT 91909449T AT E99802 T1 ATE99802 T1 AT E99802T1
Authority
AT
Austria
Prior art keywords
image
pct
virtual image
determining
detected virtual
Prior art date
Application number
AT91909449T
Other languages
English (en)
Inventor
Christiaan Theodorus W Lahaije
Der Meer Wilhelmus Jacobus Van
Original Assignee
Hoogovens Groep Bv
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 Hoogovens Groep Bv filed Critical Hoogovens Groep Bv
Application granted granted Critical
Publication of ATE99802T1 publication Critical patent/ATE99802T1/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
    • G01B11/303—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces using photoelectric detection means
    • 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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/55—Specular reflectivity
    • G01N21/57—Measuring gloss
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/063—Illuminating optical parts
    • G01N2201/0635—Structured illumination, e.g. with grating

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Image Processing (AREA)
AT91909449T 1990-05-18 1991-05-17 Verfahren und vorrichtung zur bestimmung der bildklarheit einer oberflaeche. ATE99802T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL9001164A NL9001164A (nl) 1990-05-18 1990-05-18 Werkwijze en inrichting ter bepaling van de beeldhelderheid van een oppervlak.
PCT/EP1991/000932 WO1991018278A1 (en) 1990-05-18 1991-05-17 Method and apparatus for determining the image clarity of a surface
EP91909449A EP0528915B1 (de) 1990-05-18 1991-05-17 Verfahren und vorrichtung zur bestimmung der bildklarheit einer oberfläche

Publications (1)

Publication Number Publication Date
ATE99802T1 true ATE99802T1 (de) 1994-01-15

Family

ID=19857117

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91909449T ATE99802T1 (de) 1990-05-18 1991-05-17 Verfahren und vorrichtung zur bestimmung der bildklarheit einer oberflaeche.

Country Status (9)

Country Link
US (1) US5359668A (de)
EP (1) EP0528915B1 (de)
JP (1) JPH05505677A (de)
AT (1) ATE99802T1 (de)
CA (1) CA2083037C (de)
DE (1) DE69100947T2 (de)
DK (1) DK0528915T3 (de)
NL (1) NL9001164A (de)
WO (1) WO1991018278A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2737294B1 (fr) * 1995-07-26 1997-09-05 Satimage Procede et dispositif de detection de l'etat de surface de pieces a surface reflechissante, applicables au controle de rugosite de pieces polies
DE19758466B4 (de) * 1997-03-11 2007-10-04 Betriebsforschungsinstitut VDEh - Institut für angewandte Forschung GmbH Planheits-Regelungssystem für Metallband
US20050008198A1 (en) * 2001-09-14 2005-01-13 Guo Chun Biao Apparatus and method for selecting key frames of clear faces through a sequence of images
ES2526825T3 (es) * 2007-07-09 2015-01-15 Vdeh-Betriebsforschungsinstitut Gmbh Procedimiento de inspección de superficies para la detección de defectos de la superficie y/o medir la topografía de la superficie
CN104251687B (zh) * 2014-10-11 2017-05-03 盐城工学院 一种基于镜面图像处理的零件表面平整度检测方法
JP7272124B2 (ja) * 2019-06-11 2023-05-12 コニカミノルタ株式会社 評価装置および評価方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5271289A (en) * 1975-12-11 1977-06-14 Mitsubishi Electric Corp Surface inspection device
JPS56122906A (en) * 1980-03-01 1981-09-26 Hitachi Maxell Ltd Measuring method for surface flatness of magnetic recording medium
US4629319A (en) * 1984-02-14 1986-12-16 Diffracto Ltd. Panel surface flaw inspection
US4863268A (en) * 1984-02-14 1989-09-05 Diffracto Ltd. Diffractosight improvements
JPS6175236A (ja) * 1984-09-20 1986-04-17 Nippon Soken Inc 塗装面測定装置
JPS6260075A (ja) * 1985-09-10 1987-03-16 Hitachi Ltd 形状認識装置
DE3919893A1 (de) * 1988-06-22 1989-12-28 Innovat Ges Fuer Sondermaschin Verfahren und vorrichtung zur beruehrungslosen messung von gestaltsabweichungen an oberflaechen
FR2634551B1 (fr) * 1988-07-20 1990-11-02 Siderurgie Fse Inst Rech Procede et dispositif d'identification du fini d'une surface metallique
US4975972A (en) * 1988-10-18 1990-12-04 At&T Bell Laboratories Method and apparatus for surface inspection
US5130555A (en) * 1988-11-28 1992-07-14 Matsushita Electric Industrial Co., Ltd. Tape crease inspecting method and apparatus having a stripe shaped pattern reflection plate
IT1224030B (it) * 1988-12-23 1990-09-26 Fiat Ricerche Metodo e dispositivo per il rilievo e la classivicazione della raggrinzatura di trattamenti superficiali
US5142648A (en) * 1990-08-02 1992-08-25 General Motors Corporation Method and apparatus for paint inspection
USH999H (en) * 1990-09-13 1991-12-03 The United States Of America As Represented By The Secretary Of The Air Force Transparency distortion measurement process
US5155558A (en) * 1990-09-19 1992-10-13 E. I. Du Pont De Nemours And Company Method and apparatus for analyzing the appearance features of a surface
US5208766A (en) * 1990-11-13 1993-05-04 Hughes Aircraft Company Automated evaluation of painted surface quality

Also Published As

Publication number Publication date
NL9001164A (nl) 1991-12-16
JPH05505677A (ja) 1993-08-19
CA2083037A1 (en) 1991-11-19
CA2083037C (en) 1995-05-30
EP0528915A1 (de) 1993-03-03
US5359668A (en) 1994-10-25
WO1991018278A1 (en) 1991-11-28
DE69100947D1 (de) 1994-02-17
DE69100947T2 (de) 1994-05-05
DK0528915T3 (da) 1994-05-09
EP0528915B1 (de) 1994-01-05

Similar Documents

Publication Publication Date Title
EP0866308A3 (de) Optischer Profilsensor
DE69028238D1 (de) Vorrichtung zur Entdeckung eines Objekts vom photoelektrischen Reflektionstyp
DE69127795D1 (de) Vorrichtung zur Bilddetektierung
EP0869330A3 (de) Überprüfungsapparat für die Tiefe einer Reifenlauffläche
DE3888008D1 (de) Verfahren zur Bestimmung des Sollbereiches eines Bildsignals.
DE58908882D1 (de) Vorrichtung zur Gewinnung kontrastreicher Bilder.
DE68921630D1 (de) Vorrichtung zur Messung von kleinen Verschiebungen.
DE3769368D1 (de) Methode und system zur schnellen 3-d abbildung eines objekts an einer optischen erkennungseinheit.
DE59000273D1 (de) Anordnung zur dickenmessung von duennschichten.
DE69732666D1 (de) Vorrichtung zur raumkoordinatenbestimmung und verfahren zu deren kalibrierung
DE69019589D1 (de) Vorrichtung zur Ermittlung eines Bildbewegungsvektors.
ATE101739T1 (de) Verfahren zum betrieb eines optischen rauchmelders sowie rauchmelder zur durchfuehrung des verfahrens.
EP0793117A3 (de) Lichtwellen-Entfernungsmesser und Verfahren zur Entfernungsbestimmung eines Objekts
GB8424084D0 (en) Inspection apparatus
DE69012227D1 (de) Vorrichtung zur Messung von Verschiebungen.
DE69530311D1 (de) Methode zur farbmessung während des druckens mit bestätigung
DE3889846D1 (de) Gerät zur optischen Heterodyn/Homodyndetektion.
ATE99802T1 (de) Verfahren und vorrichtung zur bestimmung der bildklarheit einer oberflaeche.
ATE19311T1 (de) Vorrichtung zum feststellen von defekten mittels eines aussermittigen lichtstrahles.
ATE90455T1 (de) ''diffraktosight''-verfahren.
DE69109542D1 (de) Tragbare Vorrichtung zur Anzeige von Positionsinformation zwecks Bestimmung des Standortes eines Objekts.
DE3871226D1 (de) Verfahren zur abschaetzung von scherwellenreflexionsmesswerten aus erfassten kompressionswellenreflexionsmesswerten.
DE69105310D1 (de) Lasersystem zur Messung des Anstellwinkels eines Flugzeugs.
DE69005586D1 (de) Vorrichtung zur Messung der Strahlungsverseuchung von grossen Objekten.
DE68921786D1 (de) Verfahren zur Ermittlung eines Bildpunktes eines Objekts.

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee