IL93292A0 - Apparatus and method for producing a range image of an area of the surface of an object - Google Patents

Apparatus and method for producing a range image of an area of the surface of an object

Info

Publication number
IL93292A0
IL93292A0 IL93292A IL9329290A IL93292A0 IL 93292 A0 IL93292 A0 IL 93292A0 IL 93292 A IL93292 A IL 93292A IL 9329290 A IL9329290 A IL 9329290A IL 93292 A0 IL93292 A0 IL 93292A0
Authority
IL
Israel
Prior art keywords
producing
area
range image
image
range
Prior art date
Application number
IL93292A
Other languages
English (en)
Original Assignee
Tsikos Constantine J
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 Tsikos Constantine J filed Critical Tsikos Constantine J
Publication of IL93292A0 publication Critical patent/IL93292A0/xx

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
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00Arrangements for image or video recognition or understanding
    • G06V10/10Image acquisition
    • G06V10/12Details of acquisition arrangements; Constructional details thereof
    • G06V10/14Optical characteristics of the device performing the acquisition or on the illumination arrangements
    • G06V10/147Details of sensors, e.g. sensor lenses

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Length Measuring Devices By Optical Means (AREA)
IL93292A 1989-02-17 1990-02-06 Apparatus and method for producing a range image of an area of the surface of an object IL93292A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/312,635 US4979815A (en) 1989-02-17 1989-02-17 Laser range imaging system based on projective geometry

Publications (1)

Publication Number Publication Date
IL93292A0 true IL93292A0 (en) 1990-11-29

Family

ID=23212346

Family Applications (1)

Application Number Title Priority Date Filing Date
IL93292A IL93292A0 (en) 1989-02-17 1990-02-06 Apparatus and method for producing a range image of an area of the surface of an object

Country Status (3)

Country Link
US (1) US4979815A (xx)
IL (1) IL93292A0 (xx)
WO (1) WO1990009561A2 (xx)

Families Citing this family (92)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6732929B2 (en) 1990-09-10 2004-05-11 Metrologic Instruments, Inc. Led-based planar light illumination beam generation module employing a focal lens for reducing the image size of the light emmiting surface of the led prior to beam collimation and planarization
US6631842B1 (en) 2000-06-07 2003-10-14 Metrologic Instruments, Inc. Method of and system for producing images of objects using planar laser illumination beams and image detection arrays
US6736321B2 (en) 1995-12-18 2004-05-18 Metrologic Instruments, Inc. Planar laser illumination and imaging (PLIIM) system employing wavefront control methods for reducing the power of speckle-pattern noise digital images acquired by said system
FR2670283B1 (fr) * 1990-12-05 1994-10-14 Commissariat Energie Atomique Procede d'etalonnage d'un systeme de metrologie tridimensionnelle.
US5245409A (en) * 1991-11-27 1993-09-14 Arvin Industries, Inc. Tube seam weld inspection device
FR2685764B1 (fr) * 1991-12-30 1995-03-17 Kreon Ind Capteur optique compact et a haute resolution pour l'analyse de formes tridimensionnelles.
CA2067400A1 (en) * 1992-04-28 1993-10-29 Robert E. Bredberg Laser thickness gauge
US5588428A (en) * 1993-04-28 1996-12-31 The University Of Akron Method and apparatus for non-invasive volume and texture analysis
US5513276A (en) * 1994-06-02 1996-04-30 The Board Of Regents Of The University Of Oklahoma Apparatus and method for three-dimensional perspective imaging of objects
US5673082A (en) * 1995-04-10 1997-09-30 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Light-directed ranging system implementing single camera system for telerobotics applications
US5684531A (en) * 1995-04-10 1997-11-04 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Ranging apparatus and method implementing stereo vision system
US6133948A (en) * 1995-12-04 2000-10-17 Virginia Tech Intellectual Properties, Inc. Automatic identification of articles having contoured surfaces
US20020014533A1 (en) 1995-12-18 2002-02-07 Xiaxun Zhu Automated object dimensioning system employing contour tracing, vertice detection, and forner point detection and reduction methods on 2-d range data maps
US6705526B1 (en) 1995-12-18 2004-03-16 Metrologic Instruments, Inc. Automated method of and system for dimensioning objects transported through a work environment using contour tracing, vertice detection, corner point detection, and corner point reduction methods on two-dimensional range data maps captured by an amplitude modulated laser scanning beam
US6830189B2 (en) * 1995-12-18 2004-12-14 Metrologic Instruments, Inc. Method of and system for producing digital images of objects with subtantially reduced speckle-noise patterns by illuminating said objects with spatially and/or temporally coherent-reduced planar laser illumination
US6629641B2 (en) 2000-06-07 2003-10-07 Metrologic Instruments, Inc. Method of and system for producing images of objects using planar laser illumination beams and image detection arrays
US5831719A (en) * 1996-04-12 1998-11-03 Holometrics, Inc. Laser scanning system
US6249713B1 (en) 1996-09-30 2001-06-19 Siemens Corporate Research, Inc. Apparatus and method for automatically positioning a biopsy needle
US7245958B1 (en) 1996-09-30 2007-07-17 Siemens Corporate Research, Inc. Trigonometric depth gauge for biopsy needle
US6097994A (en) * 1996-09-30 2000-08-01 Siemens Corporate Research, Inc. Apparatus and method for determining the correct insertion depth for a biopsy needle
US5889582A (en) * 1997-03-10 1999-03-30 Virtek Vision Corporation Image-directed active range finding system
US7028899B2 (en) * 1999-06-07 2006-04-18 Metrologic Instruments, Inc. Method of speckle-noise pattern reduction and apparatus therefore based on reducing the temporal-coherence of the planar laser illumination beam before it illuminates the target object by applying temporal phase modulation techniques during the transmission of the plib towards the target
US6055449A (en) * 1997-09-22 2000-04-25 Siemens Corporate Research, Inc. Method for localization of a biopsy needle or similar surgical tool in a radiographic image
US6028912A (en) * 1997-09-30 2000-02-22 Siemens Corporate Research, Inc. Apparatus and method for point reconstruction and metric measurement on radiographic images
US7006132B2 (en) * 1998-02-25 2006-02-28 California Institute Of Technology Aperture coded camera for three dimensional imaging
US7612870B2 (en) * 1998-02-25 2009-11-03 California Institute Of Technology Single-lens aperture-coded camera for three dimensional imaging in small volumes
US7673803B2 (en) 1998-03-24 2010-03-09 Metrologic Instruments, Inc. Planar laser illumination and imaging (PLIIM) based engine
US6101455A (en) * 1998-05-14 2000-08-08 Davis; Michael S. Automatic calibration of cameras and structured light sources
US6252623B1 (en) 1998-05-15 2001-06-26 3Dmetrics, Incorporated Three dimensional imaging system
US6988660B2 (en) 1999-06-07 2006-01-24 Metrologic Instruments, Inc. Planar laser illumination and imaging (PLIIM) based camera system for producing high-resolution 3-D images of moving 3-D objects
US6959870B2 (en) 1999-06-07 2005-11-01 Metrologic Instruments, Inc. Planar LED-based illumination array (PLIA) chips
US6959869B2 (en) * 1999-06-07 2005-11-01 Metrologic Instruments, Inc. Automatic vehicle identification (AVI) system employing planar laser illumination and imaging (PLIIM) based subsystems
FR2796458B1 (fr) * 1999-07-12 2001-09-21 Cogema Procede et installation de mesure de relief sur une face d'une piece axisymetrique
US6603870B1 (en) * 1999-09-30 2003-08-05 Siemens Corporate Research, Inc. Method and apparatus for visual servoing of a linear apparatus
US7034272B1 (en) 1999-10-05 2006-04-25 Electro Scientific Industries, Inc. Method and apparatus for evaluating integrated circuit packages having three dimensional features
US7006141B1 (en) * 1999-11-23 2006-02-28 Panavision, Inc. Method and objective lens for spectrally modifying light for an electronic camera
US6975353B1 (en) 2000-04-19 2005-12-13 Milinusic Tomislav F Immersive camera system
FI111754B (fi) * 2000-08-25 2003-09-15 Outokumpu Oy Tapa mitata kuljetinhihnalla olevan ja lämpökäsiteltävän materiaalipatjan pinnankorkeutta
JP2002139304A (ja) * 2000-10-30 2002-05-17 Honda Motor Co Ltd 距離測定装置、及び距離測定方法
US6630996B2 (en) * 2000-11-15 2003-10-07 Real Time Metrology, Inc. Optical method and apparatus for inspecting large area planar objects
US6809809B2 (en) * 2000-11-15 2004-10-26 Real Time Metrology, Inc. Optical method and apparatus for inspecting large area planar objects
US7954719B2 (en) 2000-11-24 2011-06-07 Metrologic Instruments, Inc. Tunnel-type digital imaging-based self-checkout system for use in retail point-of-sale environments
US7140543B2 (en) * 2000-11-24 2006-11-28 Metrologic Instruments, Inc. Planar light illumination and imaging device with modulated coherent illumination that reduces speckle noise induced by coherent illumination
US7077319B2 (en) * 2000-11-24 2006-07-18 Metrologic Instruments, Inc. Imaging engine employing planar light illumination and linear imaging
CA2327894A1 (en) * 2000-12-07 2002-06-07 Clearview Geophysics Inc. Method and system for complete 3d object and area digitizing
WO2002046713A2 (en) 2000-12-08 2002-06-13 Cyberoptics Corporation Automated system with improved height sensing
US7513428B2 (en) 2001-11-21 2009-04-07 Metrologic Instruments, Inc. Planar laser illumination and imaging device employing laser current modulation to generate spectral components and reduce temporal coherence of laser beam, so as to achieve a reduction in speckle-pattern noise during time-averaged detection of images of objects illuminated thereby during imaging operations
FI112279B (fi) * 2001-11-21 2003-11-14 Mapvision Oy Ltd Menetelmä vastinpisteiden määrittämiseksi
US7344082B2 (en) * 2002-01-02 2008-03-18 Metrologic Instruments, Inc. Automated method of and system for dimensioning objects over a conveyor belt structure by applying contouring tracing, vertice detection, corner point detection, and corner point reduction methods to two-dimensional range data maps of the space above the conveyor belt captured by an amplitude modulated laser scanning beam
US6741177B2 (en) 2002-03-28 2004-05-25 Verifeye Inc. Method and apparatus for detecting items on the bottom tray of a cart
CN100494890C (zh) * 2003-06-17 2009-06-03 特罗克斯勒电子实验有限公司 用于确定建筑材料样品的外廓尺寸的方法及相关设备
US9587938B2 (en) 2003-06-17 2017-03-07 Troxler Electronic Laboratories, Inc. Method and apparatus for determining a characteristic of a construction material
US7916898B2 (en) * 2003-09-15 2011-03-29 Deere & Company Method and system for identifying an edge of a crop
US7460250B2 (en) * 2003-10-24 2008-12-02 3Dm Devices Inc. Laser triangulation system
EP1709617A2 (en) * 2003-12-30 2006-10-11 Trustees Of The Stevens Institute Of Technology Three-dimensional imaging system using optical pulses, non-linear optical mixers and holographic calibration
US7620209B2 (en) * 2004-10-14 2009-11-17 Stevick Glen R Method and apparatus for dynamic space-time imaging system
US7375801B1 (en) 2005-04-13 2008-05-20 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Video sensor with range measurement capability
US7209577B2 (en) 2005-07-14 2007-04-24 Logitech Europe S.A. Facial feature-localized and global real-time video morphing
JP4533824B2 (ja) * 2005-08-30 2010-09-01 株式会社日立製作所 画像入力装置及び校正方法
WO2007043899A1 (en) 2005-10-14 2007-04-19 Applied Research Associates Nz Limited A method of monitoring a surface feature and apparatus therefor
DE102005054658A1 (de) * 2005-11-16 2007-05-24 Sick Ag Verfahren zur automatischen Paramentierung von Meßsystemen
GB0608841D0 (en) 2006-05-04 2006-06-14 Isis Innovation Scanner system and method for scanning
KR100735565B1 (ko) * 2006-05-17 2007-07-04 삼성전자주식회사 구조광을 이용한 물체 검출 방법 및 이를 이용한 로봇
US8265343B2 (en) * 2006-12-25 2012-09-11 Nec Corporation Apparatus, method and program for distance measurement
DE102007017747B4 (de) * 2007-04-12 2009-05-07 V & M Deutschland Gmbh Verfahren und Vorrichtung zur optischen Vermessung von Außengewinden
US8243289B2 (en) * 2009-05-29 2012-08-14 Perceptron, Inc. System and method for dynamic windowing
EA020917B1 (ru) * 2010-04-07 2015-02-27 Валерий Александрович Бердников Устройство измерения объема и массы сыпучего материала на тяговом органе конвейера
EP3104222B1 (en) 2010-09-07 2018-08-29 Dai Nippon Printing Co., Ltd. Projection type image display apparatus
US9116504B2 (en) * 2010-09-07 2015-08-25 Dai Nippon Printing Co., Ltd. Scanner device and device for measuring three-dimensional shape of object
EP2615363B1 (en) 2010-09-07 2016-11-09 Dai Nippon Printing Co., Ltd. Illumination device using coherent light source
US9273951B2 (en) 2011-06-06 2016-03-01 Troxler Electronic Laboratories, Inc. Optical method and apparatus for determining a characteristic such as volume and density of an excavated void in a construction material
US8756792B2 (en) * 2011-06-08 2014-06-24 The Boeing Company Digitally designed shims for joining parts of an assembly
US9179844B2 (en) 2011-11-28 2015-11-10 Aranz Healthcare Limited Handheld skin measuring or monitoring device
DE102012003620B4 (de) * 2012-02-20 2014-02-27 Salzgitter Mannesmann Grobblech Gmbh Verfahren und Vorrichtung zur berührungslosen geometrischen Vermessung eines Messobjektes
US9939389B2 (en) * 2012-09-28 2018-04-10 Thomas Engineering Solutions & Consulting, Llc Data acquisition system useful for inspection of tubulars
US9669509B2 (en) 2012-09-28 2017-06-06 Thomas Engineering Solutions & Consulting, Llc Methods for external cleaning and inspection of tubulars
EA031929B1 (ru) * 2012-12-14 2019-03-29 Бипи Корпорейшн Норд Америка Инк. Устройство и способ трехмерного измерения поверхности
FR3004818B1 (fr) * 2013-04-17 2015-05-29 R & D Vision Systeme d'imagerie localisee et de profilometrie par nappe laser
US10341611B2 (en) 2013-04-30 2019-07-02 Inuitive Ltd. System and method for video conferencing
JP6141466B2 (ja) * 2015-09-29 2017-06-07 株式会社東京精密 ワーク識別装置及び識別方法
US10013527B2 (en) 2016-05-02 2018-07-03 Aranz Healthcare Limited Automatically assessing an anatomical surface feature and securely managing information related to the same
DE102016110444A1 (de) * 2016-06-06 2017-12-07 Jabil Optics Germany GmbH Verfahren und Bestimmungsvorrichtung zum Bestimmen einer Oberflächenform
US11116407B2 (en) 2016-11-17 2021-09-14 Aranz Healthcare Limited Anatomical surface assessment methods, devices and systems
TWI627380B (zh) * 2016-11-23 2018-06-21 綠點高新科技股份有限公司 三維物件之曲面輪廓的估計方法與系統
CZ307628B6 (cs) * 2016-12-09 2019-01-23 VĂšTS, a.s. Měřicí stanice pro diagnostiku podélníků
EP3606410B1 (en) 2017-04-04 2022-11-02 Aranz Healthcare Limited Anatomical surface assessment methods, devices and systems
US10402988B2 (en) * 2017-11-30 2019-09-03 Guangdong Virtual Reality Technology Co., Ltd. Image processing apparatuses and methods
CN108629325B (zh) * 2018-05-11 2021-06-22 北京旷视科技有限公司 物品位置的确定方法、装置及系统
US10867186B2 (en) 2018-05-15 2020-12-15 Genetec Inc. Transaction monitoring
WO2020234653A1 (en) 2019-05-20 2020-11-26 Aranz Healthcare Limited Automated or partially automated anatomical surface assessment methods, devices and systems
JP2022190856A (ja) * 2021-06-15 2022-12-27 株式会社ディスコ 測定治具、動作精度測定システム、及び動作精度測定方法
JP2023015886A (ja) * 2021-07-20 2023-02-01 株式会社キーエンス 形状検査装置、処理装置、高さ画像処理方法および高さ画像処理プログラム

Family Cites Families (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2645971A (en) * 1949-06-28 1953-07-21 Rca Corp Surface contour measurement
US2786096A (en) * 1951-11-10 1957-03-19 Du Mont Allen B Lab Inc Television range finder
US3361912A (en) * 1964-12-07 1968-01-02 Barkley & Dexter Lab Inc Sun shield for photoelectric cloud height detector
GB1125306A (en) * 1966-07-04 1968-08-28 Marconi Internat Marine Compan Improvements in or relating to range and bearing measuring apparatus
US3773422A (en) * 1971-04-07 1973-11-20 Singer Co Calculating linear dimensions from tv images
US3895870A (en) * 1971-06-01 1975-07-22 Autech Corp Laser dimension comparator
US3796492A (en) * 1971-06-01 1974-03-12 Autech Corp Laser dimension comparator
US3975102A (en) * 1974-07-29 1976-08-17 Zygo Corporation Scanning photoelectric autocollimator
US4175862A (en) * 1975-08-27 1979-11-27 Solid Photography Inc. Arrangement for sensing the geometric characteristics of an object
US4070683A (en) * 1976-03-04 1978-01-24 Altschuler Bruce R Optical surface topography mapping system
US4113389A (en) * 1976-04-19 1978-09-12 Morton Kaye Optical measurement system
US4089608A (en) * 1976-10-21 1978-05-16 Hoadley Howard W Non-contact digital contour generator
US4165178A (en) * 1978-06-29 1979-08-21 International Business Machines Corporation Gap measurement tool
US4294541A (en) * 1979-06-18 1981-10-13 Abler William L Bi-periscopic instrument for use in determining terrestrial positions through celestial observation
US4294544A (en) * 1979-08-03 1981-10-13 Altschuler Bruce R Topographic comparator
US4391514A (en) * 1981-02-13 1983-07-05 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Sidelooking laser altimeter for a flight simulator
US4498778A (en) * 1981-03-30 1985-02-12 Technical Arts Corporation High speed scanning method and apparatus
US4492472A (en) * 1981-07-27 1985-01-08 Kawasaki Steel Corporation Method and system for determining shape in plane to be determined in atmosphere of scattering materials
US4412121A (en) * 1981-08-28 1983-10-25 S R I International Implement positioning apparatus and process
US4443705A (en) * 1982-10-01 1984-04-17 Robotic Vision Systems, Inc. Method for locating points on a three-dimensional surface using light intensity variations
US4541722A (en) * 1982-12-13 1985-09-17 Jenksystems, Inc. Contour line scanner
NO152065C (no) * 1983-02-24 1985-07-24 Tomra Systems As Fremgangsmaate for konturgjenkjenning av helt eller delvis transparente gjenstander, f.eks. flasker
US4541721A (en) * 1983-03-17 1985-09-17 Perceptron, Inc. Optical checking apparatus and method of using same
US4493968A (en) * 1983-07-13 1985-01-15 Caterpillar Tractor Co. Adaptive welder with laser TV-scanner
US4523809A (en) * 1983-08-04 1985-06-18 The United States Of America As Represented By The Secretary Of The Air Force Method and apparatus for generating a structured light beam array
US4645348A (en) * 1983-09-01 1987-02-24 Perceptron, Inc. Sensor-illumination system for use in three-dimensional measurement of objects and assemblies of objects
US4648717A (en) * 1984-02-06 1987-03-10 Robotic Vision Systems, Inc. Method of three-dimensional measurement with few projected patterns
US4845373A (en) * 1984-02-22 1989-07-04 Kla Instruments Corporation Automatic alignment apparatus having low and high resolution optics for coarse and fine adjusting
FR2560377B1 (fr) * 1984-02-29 1988-05-13 Commissariat Energie Atomique Dispositif optique de mesure de proximite de surface et son application au releve du profil d'une surface
US4650333A (en) * 1984-04-12 1987-03-17 International Business Machines Corporation System for measuring and detecting printed circuit wiring defects
GB2157826A (en) * 1984-04-17 1985-10-30 Carves Simon Ltd A surface topography measuring system
JPS60253806A (ja) * 1984-05-30 1985-12-14 Toyota Central Res & Dev Lab Inc 形状検出方法及び装置
DE3423135A1 (de) * 1984-06-22 1986-01-02 Dornier Gmbh, 7990 Friedrichshafen Verfahren zum auslesen einer entfernungsbildzeile
US4641972A (en) * 1984-09-14 1987-02-10 New York Institute Of Technology Method and apparatus for surface profilometry
US4657394A (en) * 1984-09-14 1987-04-14 New York Institute Of Technology Apparatus and method for obtaining three dimensional surface contours
US4672562A (en) * 1984-12-11 1987-06-09 Honeywell Inc. Method and apparatus for determining location and orientation of objects
SE447848B (sv) * 1985-06-14 1986-12-15 Anders Bengtsson Instrument for metning av ytors topografi
US4734766A (en) * 1985-08-19 1988-03-29 Kawasaki Steel Corporation Method and system for locating and inspecting seam weld in metal seam-welded pipe
US4687326A (en) * 1985-11-12 1987-08-18 General Electric Company Integrated range and luminance camera
US4653316A (en) * 1986-03-14 1987-03-31 Kabushiki Kaisha Komatsu Seisakusho Apparatus mounted on vehicles for detecting road surface conditions
US4741621A (en) * 1986-08-18 1988-05-03 Westinghouse Electric Corp. Geometric surface inspection system with dual overlap light stripe generator
US4791482A (en) * 1987-02-06 1988-12-13 Westinghouse Electric Corp. Object locating system
US4847510A (en) * 1987-12-09 1989-07-11 Shell Oil Company Method for comparison of surfaces
US4847687A (en) * 1988-04-18 1989-07-11 General Electric Company Video ranging system
JP2726787B2 (ja) * 1992-10-14 1998-03-11 株式会社テック 照明器具
JPH06129706A (ja) * 1992-10-15 1994-05-13 Sanden Corp 空調装置の動力伝達板姿勢規制装置

Also Published As

Publication number Publication date
WO1990009561A3 (en) 1990-10-04
WO1990009561A2 (en) 1990-08-23
US4979815A (en) 1990-12-25

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