JPS57157107A - Method for measuring shape of object - Google Patents

Method for measuring shape of object

Info

Publication number
JPS57157107A
JPS57157107A JP4294581A JP4294581A JPS57157107A JP S57157107 A JPS57157107 A JP S57157107A JP 4294581 A JP4294581 A JP 4294581A JP 4294581 A JP4294581 A JP 4294581A JP S57157107 A JPS57157107 A JP S57157107A
Authority
JP
Japan
Prior art keywords
points
scanning
slit
irregularities
slit light
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.)
Granted
Application number
JP4294581A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6249563B2 (enrdf_load_stackoverflow
Inventor
Kiyoshi Komoriya
Kazuo Tanie
Tomoaki Nagasu
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.)
National Institute of Advanced Industrial Science and Technology AIST
Original Assignee
Agency of Industrial Science and Technology
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 Agency of Industrial Science and Technology filed Critical Agency of Industrial Science and Technology
Priority to JP4294581A priority Critical patent/JPS57157107A/ja
Publication of JPS57157107A publication Critical patent/JPS57157107A/ja
Publication of JPS6249563B2 publication Critical patent/JPS6249563B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/24Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/25Measuring 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
    • G01B11/2518Projection by scanning of the object
    • G01B11/2522Projection by scanning of the object the position of the object changing and being recorded
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/24Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/25Measuring 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
    • G01B11/2518Projection by scanning of the object

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
JP4294581A 1981-03-24 1981-03-24 Method for measuring shape of object Granted JPS57157107A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4294581A JPS57157107A (en) 1981-03-24 1981-03-24 Method for measuring shape of object

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4294581A JPS57157107A (en) 1981-03-24 1981-03-24 Method for measuring shape of object

Publications (2)

Publication Number Publication Date
JPS57157107A true JPS57157107A (en) 1982-09-28
JPS6249563B2 JPS6249563B2 (enrdf_load_stackoverflow) 1987-10-20

Family

ID=12650143

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4294581A Granted JPS57157107A (en) 1981-03-24 1981-03-24 Method for measuring shape of object

Country Status (1)

Country Link
JP (1) JPS57157107A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61264204A (ja) * 1985-05-20 1986-11-22 Fujitsu Ltd 部品高さ検知装置
US5156089A (en) * 1990-12-17 1992-10-20 Gerber Scientific Products, Inc. Method and apparatus for making a painting screen using an ink jet printer for printing a graphic on the screen emulsion
US5668631A (en) * 1993-12-20 1997-09-16 Minolta Co., Ltd. Measuring system with improved method of reading image data of an object
US6346949B1 (en) 1995-11-14 2002-02-12 Minolta Co., Ltd. Three-dimensional form data processor retaining information on color boundaries of an object when thinning coordinate data
US6407817B1 (en) 1993-12-20 2002-06-18 Minolta Co., Ltd. Measuring system with improved method of reading image data of an object

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61264204A (ja) * 1985-05-20 1986-11-22 Fujitsu Ltd 部品高さ検知装置
US5156089A (en) * 1990-12-17 1992-10-20 Gerber Scientific Products, Inc. Method and apparatus for making a painting screen using an ink jet printer for printing a graphic on the screen emulsion
US5668631A (en) * 1993-12-20 1997-09-16 Minolta Co., Ltd. Measuring system with improved method of reading image data of an object
US6243165B1 (en) 1993-12-20 2001-06-05 Minolta Co., Ltd. Measuring system with improved method of reading image data of an object
US6407817B1 (en) 1993-12-20 2002-06-18 Minolta Co., Ltd. Measuring system with improved method of reading image data of an object
US6480288B1 (en) 1993-12-20 2002-11-12 Minolta Co., Ltd. Measuring system with improved method of reading image data of an object
US6522412B2 (en) 1993-12-20 2003-02-18 Minolta Co., Ltd. Measuring system with improved method of reading image data of an object
US6674534B2 (en) 1993-12-20 2004-01-06 Minolta Co., Ltd. Measuring system with improved method of reading image data of an object
US6775010B2 (en) 1993-12-20 2004-08-10 Minolta Co., Ltd. Measuring system with improved method of reading image data of an object
US6346949B1 (en) 1995-11-14 2002-02-12 Minolta Co., Ltd. Three-dimensional form data processor retaining information on color boundaries of an object when thinning coordinate data

Also Published As

Publication number Publication date
JPS6249563B2 (enrdf_load_stackoverflow) 1987-10-20

Similar Documents

Publication Publication Date Title
US5090811A (en) Optical radius gauge
ATA784274A (de) Optoelektronisches system zur bestimmung einer abweichung der istlage von der sollage einer bildebene eines optischen abbildungsystems sowie vorrichtung zum auslesen bzw. einschreiben von informationen mit einem solchen system
US4169980A (en) Method and apparatus for interference fringe center sensing
JPS54114264A (en) Screw inspection method
JPS57157107A (en) Method for measuring shape of object
DE69830323T2 (de) Vorrichtung und verfahren zur bestimmung der optischen verzerrung eines transparenten substrats
DE69314829T2 (de) Krümmungsmessung einer Oberfläche
US3436556A (en) Optical inspection system
JPS55112502A (en) Plate automatic examination unit
US3885422A (en) Method for the examination or inspection of rotogravure printing cylinders or the like
JPH0233089B2 (enrdf_load_stackoverflow)
DE68900685D1 (de) Laengenmessverfahren mit einer photosensitiven zeilenkamera.
JPS57196377A (en) Pattern recognizing method
JPS55154402A (en) Shape measuring apparatus
JPS5533679A (en) Measuring method of distance
JPS5754804A (en) Recording method for moire topography
JPS6425003A (en) Measuring instrument of shape in three-dimensional object
JPS55117946A (en) Flaw detection method of hollow shaft inside surface
JPS5728239A (en) Inspection of defect on cylinder surface
JPS57113311A (en) Measuring device for surface coarseness of object
JPS59197806A (ja) 距離測定装置
RU2146355C1 (ru) Способ измерения толщины листового стекла и устройство для его осуществления
Tipton et al. Paper 20: New Optical Method of Assessing Surface Quality
JPS57168384A (en) Detecting method for shape of object
CA2013337C (en) Optical radius gauge