NL9200071A - Inrichting voor het bepalen van de topografie van een gekromd oppervlak. - Google Patents

Inrichting voor het bepalen van de topografie van een gekromd oppervlak. Download PDF

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Publication number
NL9200071A
NL9200071A NL9200071A NL9200071A NL9200071A NL 9200071 A NL9200071 A NL 9200071A NL 9200071 A NL9200071 A NL 9200071A NL 9200071 A NL9200071 A NL 9200071A NL 9200071 A NL9200071 A NL 9200071A
Authority
NL
Netherlands
Prior art keywords
projection
light
grid
projectors
lines
Prior art date
Application number
NL9200071A
Other languages
English (en)
Dutch (nl)
Original Assignee
Stichting Science Park Maastri
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 Stichting Science Park Maastri filed Critical Stichting Science Park Maastri
Priority to NL9200071A priority Critical patent/NL9200071A/nl
Priority to DK93200102.7T priority patent/DK0551955T3/da
Priority to DE69312975T priority patent/DE69312975T2/de
Priority to EP93200102A priority patent/EP0551955B1/en
Priority to ES93200102T priority patent/ES2108203T3/es
Priority to US08/005,244 priority patent/US5406342A/en
Priority to JP5006103A priority patent/JP2599876B2/ja
Publication of NL9200071A publication Critical patent/NL9200071A/nl

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
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object
    • G01B11/2531—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object using several gratings, projected with variable angle of incidence on the object, and one detection device
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/107—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining the shape or measuring the curvature of the cornea

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Eye Examination Apparatus (AREA)
NL9200071A 1992-01-15 1992-01-15 Inrichting voor het bepalen van de topografie van een gekromd oppervlak. NL9200071A (nl)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL9200071A NL9200071A (nl) 1992-01-15 1992-01-15 Inrichting voor het bepalen van de topografie van een gekromd oppervlak.
DK93200102.7T DK0551955T3 (da) 1992-01-15 1993-01-15 System til bestemmelse af en krummet overflades topografi
DE69312975T DE69312975T2 (de) 1992-01-15 1993-01-15 System zur Bestimmung der Topographie einer gekrümmten Oberfläche
EP93200102A EP0551955B1 (en) 1992-01-15 1993-01-15 System for determining the topography of a curved surface
ES93200102T ES2108203T3 (es) 1992-01-15 1993-01-15 Sistema para determinar la topografia de una superficie curvada.
US08/005,244 US5406342A (en) 1992-01-15 1993-01-15 System for determining the topography of a curved surface
JP5006103A JP2599876B2 (ja) 1992-01-15 1993-01-18 湾曲面の表面状態を決定する装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9200071 1992-01-15
NL9200071A NL9200071A (nl) 1992-01-15 1992-01-15 Inrichting voor het bepalen van de topografie van een gekromd oppervlak.

Publications (1)

Publication Number Publication Date
NL9200071A true NL9200071A (nl) 1993-08-02

Family

ID=19860300

Family Applications (1)

Application Number Title Priority Date Filing Date
NL9200071A NL9200071A (nl) 1992-01-15 1992-01-15 Inrichting voor het bepalen van de topografie van een gekromd oppervlak.

Country Status (7)

Country Link
US (1) US5406342A (ja)
EP (1) EP0551955B1 (ja)
JP (1) JP2599876B2 (ja)
DE (1) DE69312975T2 (ja)
DK (1) DK0551955T3 (ja)
ES (1) ES2108203T3 (ja)
NL (1) NL9200071A (ja)

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US5735283A (en) * 1996-10-09 1998-04-07 Snook; Richard Kieth Surgical keratometer system for measuring surface topography of a cornea during surgery
US5864383A (en) * 1997-04-24 1999-01-26 Orbtek, Inc. Single-curvature placido plate
US6079831A (en) * 1997-04-24 2000-06-27 Orbtek, Inc. Device and method for mapping the topography of an eye using elevation measurements in combination with slope measurements
DE19815201A1 (de) * 1998-04-04 1999-10-07 Link Johann & Ernst Gmbh & Co Meßanordnung zur Erfassung von Dimensionen von Prüflingen, vorzugsweise von Hohlkörpern, insbesondere von Bohrungen in Werkstücken, sowie Verfahren zur Messung solcher Dimensionen
US6024449A (en) * 1998-07-13 2000-02-15 Smith; Robert F. High speed topography measurement of semi-diffuse objects
JP2000292135A (ja) * 1999-04-07 2000-10-20 Minolta Co Ltd ３次元情報入力カメラ
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US6639685B1 (en) 2000-02-25 2003-10-28 General Motors Corporation Image processing method using phase-shifted fringe patterns and curve fitting
US7148898B1 (en) * 2000-03-29 2006-12-12 Sourceprose Corporation System and method for synchronizing raster and vector map images
US7038681B2 (en) * 2000-03-29 2006-05-02 Sourceprose Corporation System and method for georeferencing maps
US20010033292A1 (en) * 2000-03-29 2001-10-25 Scott Dan Martin System and method for georeferencing digital raster maps
SE0003904L (sv) * 2000-05-05 2001-11-06 Roger Tuomas Sätt att mäta ytråhet
FR2817042B1 (fr) 2000-11-22 2003-06-20 Saint Gobain Procede et dispositif d'analyse de la surface d'un substrat
DE10061326A1 (de) 2000-12-08 2002-06-27 Bioshape Ag Verfahren und Vorrichtung zur Topologieermittlung von biologischem Gewebe
JP3519698B2 (ja) * 2001-04-20 2004-04-19 照明 與語 ３次元形状測定方法
DE10132309B4 (de) * 2001-07-06 2006-09-21 Geometrie Concern Verwaltungs- Und Beteiligungsgesellschaft Mbh Visuelles Kontrollverfahren und Kontrollsystem
US6575573B2 (en) 2001-10-17 2003-06-10 Carl Zeiss Ophthalmic Systems, Inc. Method and apparatus for measuring a corneal profile of an eye
US7164817B2 (en) 2002-05-24 2007-01-16 Hoya Corporation Optical switch and optical add/drop multiplexer using the same
WO2003100498A1 (fr) 2002-05-24 2003-12-04 Hoya Corporation Commutateur optique et unite optique de derivation/insertion l'utilisant
CN100442006C (zh) 2002-05-30 2008-12-10 维思克斯公司 跟踪扭转的眼睛的方向和位置
US7083609B2 (en) * 2002-06-13 2006-08-01 Visx, Incorporated Corneal topography-based target warping
US7133137B2 (en) * 2002-06-27 2006-11-07 Visx, Incorporated Integrated scanning and ocular tomography system and method
US7458683B2 (en) 2003-06-16 2008-12-02 Amo Manufacturing Usa, Llc Methods and devices for registering optical measurement datasets of an optical system
US7481536B2 (en) * 2004-02-19 2009-01-27 Amo Manufacturing Usa, Llc Methods and systems for differentiating left and right eye images
WO2006044185A2 (en) * 2004-10-13 2006-04-27 Akrometrix, Llc Systems and methods for measuring sample surface flatness of continuously moving samples
US7866820B2 (en) * 2006-02-14 2011-01-11 Vision Optimization, Llc Corneo-scleral topography system
DE102006028238B3 (de) * 2006-06-20 2007-07-19 Benecke-Kaliko Ag Verfahren zur Analyse der Reflexionseigenschaften
DE102007017611A1 (de) 2007-04-12 2008-10-16 SCHRÜNDER, Stephan Verfahren und System zur Augenvermessung
EP2040061A1 (en) * 2007-09-24 2009-03-25 Koninklijke Philips Electronics N.V. An apparatus and method for observing the surface of a sample
WO2009094510A1 (en) * 2008-01-25 2009-07-30 Cyberoptics Corporation Multi-source sensor for three-dimensional imaging using phased structured light
US8059280B2 (en) * 2008-01-31 2011-11-15 Cyberoptics Corporation Method for three-dimensional imaging using multi-phase structured light
CA2731811C (en) * 2008-04-04 2016-12-13 Amo Wavefront Sciences, Llc Registering multiple ophthalmic datasets
US9504376B2 (en) * 2009-12-22 2016-11-29 Amo Wavefront Sciences, Llc Optical diagnosis using measurement sequence
JP5743433B2 (ja) * 2010-06-03 2015-07-01 株式会社マクシス・シントー 三次元形状計測装置
GB201010244D0 (en) * 2010-06-18 2010-07-21 Hyde John Line and image capture for 3D applications independent of high ambient lighting conditions
DE102010060448B4 (de) * 2010-11-09 2021-07-01 Eberhard Lange Projektionsvorrichtung zum Projizieren eines zu projizierenden Objekts
EP2785294B1 (en) 2011-11-30 2016-11-23 AMO Development, LLC System and method for ophthalmic surface measurements based on sequential estimates
WO2015054672A1 (en) 2013-10-10 2015-04-16 The Regents Of The University Of California Ocular cellscope apparatus
JP2016535661A (ja) * 2013-11-08 2016-11-17 プレシジョン・オキュラー・メトロロジー・エルエルシー 眼表面のマッピング
CN105890876B (zh) * 2014-12-10 2018-07-06 青岛理工大学 正弦光强靶标光学信号发生方法及系统
WO2016123448A2 (en) * 2015-01-30 2016-08-04 Catanzariti Scott Paul Systems and method for mapping the ocular surface usually obstructed by the eyelids
DE102015001365A1 (de) * 2015-02-03 2016-08-04 EnShape GmbH Verfahren zur 3d-vermessung von flüssigkeiten und gelen
WO2017125528A1 (en) 2016-01-20 2017-07-27 Eaglet Eye B.V. Improved eye surface topographer
WO2017180965A1 (en) 2016-04-15 2017-10-19 The Regents Of The University Of California Retinal cellscope apparatus
WO2020102658A2 (en) * 2018-11-16 2020-05-22 Carestream Dental Llc Laser projection system
WO2021003444A2 (en) * 2019-07-02 2021-01-07 Nikon Corporation Metrology for additive manufacturing
CN110897608B (zh) * 2019-12-15 2022-05-03 深圳市具安科技有限公司 斑马鱼眼动分析方法、装置及计算机设备

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FR2254781A1 (en) * 1973-12-18 1975-07-11 Schaeffer Bernard Rastered photogrammetry technique - involves projecting image of rastered object through second raster
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JPH02119837A (ja) * 1988-10-28 1990-05-07 Kowa Co 眼科測定方法および装置
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DE4007502A1 (de) * 1990-03-09 1991-09-12 Zeiss Carl Fa Verfahren und vorrichtung zur beruehrungslosen vermessung von objektoberflaechen
DE4007500A1 (de) * 1990-03-09 1991-09-12 Zeiss Carl Fa Verfahren und vorrichtung zur beruehrungslosen vermessung von objektoberflaechen

Also Published As

Publication number Publication date
EP0551955B1 (en) 1997-08-13
DE69312975D1 (de) 1997-09-18
US5406342A (en) 1995-04-11
EP0551955A1 (en) 1993-07-21
DK0551955T3 (da) 1998-03-30
JP2599876B2 (ja) 1997-04-16
DE69312975T2 (de) 1998-03-05
ES2108203T3 (es) 1997-12-16
JPH0771934A (ja) 1995-03-17

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