IT1296825B1 - Procedimento per la misura di profili a tre dimensioni mediante proiezione di luce strutturata - Google Patents

Procedimento per la misura di profili a tre dimensioni mediante proiezione di luce strutturata

Info

Publication number
IT1296825B1
IT1296825B1 IT97MI002667A ITMI972667A IT1296825B1 IT 1296825 B1 IT1296825 B1 IT 1296825B1 IT 97MI002667 A IT97MI002667 A IT 97MI002667A IT MI972667 A ITMI972667 A IT MI972667A IT 1296825 B1 IT1296825 B1 IT 1296825B1
Authority
IT
Italy
Prior art keywords
procedure
measuring
structured light
light projection
dimension profiles
Prior art date
Application number
IT97MI002667A
Other languages
English (en)
Inventor
Giovanna Sansoni
Sara Lazzari
Original Assignee
Uni Degli Studi 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 Uni Degli Studi Brescia filed Critical Uni Degli Studi Brescia
Priority to IT97MI002667A priority Critical patent/IT1296825B1/it
Priority to AU18764/99A priority patent/AU1876499A/en
Priority to EP98963529A priority patent/EP1038157A1/en
Priority to PCT/EP1998/007705 priority patent/WO1999028704A1/en
Publication of ITMI972667A1 publication Critical patent/ITMI972667A1/it
Application granted granted Critical
Publication of IT1296825B1 publication Critical patent/IT1296825B1/it

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)
IT97MI002667A 1997-12-02 1997-12-02 Procedimento per la misura di profili a tre dimensioni mediante proiezione di luce strutturata IT1296825B1 (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT97MI002667A IT1296825B1 (it) 1997-12-02 1997-12-02 Procedimento per la misura di profili a tre dimensioni mediante proiezione di luce strutturata
AU18764/99A AU1876499A (en) 1997-12-02 1998-11-30 Process for the measurement of three dimensional (3d) profiles by means of structured light projection
EP98963529A EP1038157A1 (en) 1997-12-02 1998-11-30 Process for the measurement of three dimensional (3d) profiles by means of structured light projection
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

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT97MI002667A IT1296825B1 (it) 1997-12-02 1997-12-02 Procedimento per la misura di profili a tre dimensioni mediante proiezione di luce strutturata

Publications (2)

Publication Number Publication Date
ITMI972667A1 ITMI972667A1 (it) 1999-06-02
IT1296825B1 true IT1296825B1 (it) 1999-08-02

Family

ID=11378301

Family Applications (1)

Application Number Title Priority Date Filing Date
IT97MI002667A IT1296825B1 (it) 1997-12-02 1997-12-02 Procedimento per la misura di profili a tre dimensioni mediante proiezione di luce strutturata

Country Status (4)

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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001007864A2 (en) * 1999-07-21 2001-02-01 Hongyu Liu Method and apparatus for performing calibration-based absolute shape measurement using 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
DK1368986T3 (da) 2001-03-02 2012-02-27 3Shape As Fremgangsmåde til modellering af specialfremstillede ørestykker
WO2005010825A2 (en) * 2003-07-24 2005-02-03 Cognitens Ltd. Method and sytem for the three-dimensional surface reconstruction of an object
DE10345586B4 (de) 2003-09-29 2007-03-15 BIAS - Bremer Institut für angewandte Strahltechnik GmbH Verfahren und Vorrichtung zum Bestimmen der Struktur einer Oberfläche
CN1302257C (zh) * 2003-10-09 2007-02-28 四川大学 用双色光栅模板产生π相移实现傅里叶变换轮廓术的方法
CN100464152C (zh) * 2007-06-08 2009-02-25 东南大学 基于直线相位的光栅自校正方法
JP4931728B2 (ja) * 2007-08-08 2012-05-16 シーケーディ株式会社 三次元計測装置及び基板検査機
CN106091981B (zh) * 2016-05-27 2018-09-04 西安交通大学 用于高动态范围物体的区域投影光学三维轮廓测量方法
JP6970551B2 (ja) * 2017-07-31 2021-11-24 株式会社キーエンス 形状測定装置及び形状測定方法
CN111536904B (zh) * 2020-05-27 2022-04-15 深圳市华汉伟业科技有限公司 一种基于结构照明的三维测量方法及系统、存储介质

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 (de) * 1995-05-02 1999-02-04 Continental Ag Verfahren und Vorrichtung zur flächenhaften Vermessung und Erfassung des Profilabriebs eines Fahrzeugreifens

Also Published As

Publication number Publication date
ITMI972667A1 (it) 1999-06-02
WO1999028704A1 (en) 1999-06-10
AU1876499A (en) 1999-06-16
EP1038157A1 (en) 2000-09-27

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Legal Events

Date Code Title Description
0001 Granted