AU1876499A - Process for the measurement of three dimensional (3d) profiles by means of structured light projection - Google Patents

Process for the measurement of three dimensional (3d) profiles by means of structured light projection

Info

Publication number
AU1876499A
AU1876499A AU18764/99A AU1876499A AU1876499A AU 1876499 A AU1876499 A AU 1876499A AU 18764/99 A AU18764/99 A AU 18764/99A AU 1876499 A AU1876499 A AU 1876499A AU 1876499 A AU1876499 A AU 1876499A
Authority
AU
Australia
Prior art keywords
profiles
dimensional
measurement
structured light
light projection
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.)
Abandoned
Application number
AU18764/99A
Inventor
Sara Lazzari
Giovanna Sansoni
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.)
Universita degli Studi di Brescia
Original Assignee
Universita degli Studi di Brescia
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 Universita degli Studi di Brescia filed Critical Universita degli Studi di Brescia
Publication of AU1876499A publication Critical patent/AU1876499A/en
Abandoned legal-status Critical Current

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
    • G01B11/2536—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 with variable grating pitch, projected on the object with the same angle of incidence
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/50—Depth or shape recovery
    • G06T7/521—Depth or shape recovery from laser ranging, e.g. using interferometry; from the projection of structured light

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Theoretical Computer Science (AREA)
  • Length Measuring Devices By Optical Means (AREA)
AU18764/99A 1997-12-02 1998-11-30 Process for the measurement of three dimensional (3d) profiles by means of structured light projection Abandoned AU1876499A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT97MI002667A IT1296825B1 (en) 1997-12-02 1997-12-02 PROCEDURE FOR MEASURING THREE-DIMENSION PROFILES BY STRUCTURED LIGHT PROJECTION
ITMI97A2667 1997-12-02
PCT/EP1998/007705 WO1999028704A1 (en) 1997-12-02 1998-11-30 Process for the measurement of three dimensional (3d) profiles by means of structured light projection

Publications (1)

Publication Number Publication Date
AU1876499A true AU1876499A (en) 1999-06-16

Family

ID=11378301

Family Applications (1)

Application Number Title Priority Date Filing Date
AU18764/99A Abandoned AU1876499A (en) 1997-12-02 1998-11-30 Process for the measurement of three dimensional (3d) profiles by means of structured light projection

Country Status (4)

Country Link
EP (1) EP1038157A1 (en)
AU (1) AU1876499A (en)
IT (1) IT1296825B1 (en)
WO (1) WO1999028704A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU6115700A (en) * 1999-07-21 2001-02-13 Benjamin A. Bard Method and apparatus for performing calibration-based absolute shape measurementusing phase-shifting projected fringe profilometry
US7625335B2 (en) 2000-08-25 2009-12-01 3Shape Aps Method and apparatus for three-dimensional optical scanning of interior surfaces
US8032337B2 (en) 2001-03-02 2011-10-04 3Shape A/S Method for modeling customized earpieces
US20070057946A1 (en) * 2003-07-24 2007-03-15 Dan Albeck Method and system for the three-dimensional surface reconstruction of an object
DE10345586B4 (en) 2003-09-29 2007-03-15 BIAS - Bremer Institut für angewandte Strahltechnik GmbH Method and device for determining the structure of a surface
CN1302257C (en) * 2003-10-09 2007-02-28 四川大学 Method for realizing Fourier transfrom contour by generating pi phase shift by two-colour grating template
CN100464152C (en) * 2007-06-08 2009-02-25 东南大学 Self-correcting method for optical grating based on linear phase position
JP4931728B2 (en) * 2007-08-08 2012-05-16 シーケーディ株式会社 3D measuring device and board inspection machine
CN106091981B (en) * 2016-05-27 2018-09-04 西安交通大学 Region projection method for measuring optical three-dimensional contour for high dynamic range object
JP6970551B2 (en) * 2017-07-31 2021-11-24 株式会社キーエンス Shape measuring device and shape measuring method
CN111536904B (en) * 2020-05-27 2022-04-15 深圳市华汉伟业科技有限公司 Three-dimensional measurement method and system based on structural illumination and storage medium

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5557410A (en) * 1994-05-26 1996-09-17 Lockheed Missiles & Space Company, Inc. Method of calibrating a three-dimensional optical measurement system
GB9420638D0 (en) * 1994-10-13 1994-11-30 Moore John H Three-dimensional digitiser
DE19515949C2 (en) * 1995-05-02 1999-02-04 Continental Ag Method and device for areal measurement and detection of the tread wear of a vehicle tire

Also Published As

Publication number Publication date
IT1296825B1 (en) 1999-08-02
WO1999028704A1 (en) 1999-06-10
EP1038157A1 (en) 2000-09-27
ITMI972667A1 (en) 1999-06-02

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase