GB2333595A - Apparatus and method for making accurate three-dimensional size measurements of inaccessible objects - Google Patents

Apparatus and method for making accurate three-dimensional size measurements of inaccessible objects

Info

Publication number
GB2333595A
GB2333595A GB9903366A GB9903366A GB2333595A GB 2333595 A GB2333595 A GB 2333595A GB 9903366 A GB9903366 A GB 9903366A GB 9903366 A GB9903366 A GB 9903366A GB 2333595 A GB2333595 A GB 2333595A
Authority
GB
United Kingdom
Prior art keywords
geometry
points
measurement
distances
dimensional size
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
GB9903366A
Other versions
GB9903366D0 (en
GB2333595B (en
Inventor
David Francis Schaack
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.)
Individual
Original Assignee
Individual
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
Priority claimed from US08/689,993 external-priority patent/US6009189A/en
Priority claimed from US08/871,289 external-priority patent/US6121999A/en
Application filed by Individual filed Critical Individual
Publication of GB9903366D0 publication Critical patent/GB9903366D0/en
Publication of GB2333595A publication Critical patent/GB2333595A/en
Application granted granted Critical
Publication of GB2333595B publication Critical patent/GB2333595B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00147—Holding or positioning arrangements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00163—Optical arrangements
    • A61B1/00174—Optical arrangements characterised by the viewing angles
    • A61B1/00183—Optical arrangements characterised by the viewing angles for variable viewing angles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/06—Devices, other than using radiation, for detecting or locating foreign bodies ; determining position of probes within or on the body of the patient
    • A61B5/065—Determining position of the probe employing exclusively positioning means located on or in the probe, e.g. using position sensors arranged on the probe
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
    • A61B5/1076—Measuring physical dimensions, e.g. size of the entire body or parts thereof for measuring dimensions inside body cavities, e.g. using catheters
    • 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
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • G02B23/2407—Optical details
    • G02B23/2423—Optical details of the distal end
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
    • A61B1/05—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances characterised by the image sensor, e.g. camera, being in the distal end portion

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Biophysics (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • General Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Dentistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Human Computer Interaction (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

Spatial locations of individual points on an inaccessible object are determined by measuring two images acquired with one or more cameras which can be moved to a plurality of positions and orientations which are accurately determined relative to the instrument. Once points are located, distances are easily calculated. This new system offers accurate measurements with any convenient geometry, and with existing endoscopic apparatus. It also provides for the measurement of distances which cannot be contained within any single camera view. Systematic errors are minimized by use of a complete and robust set of calibration procedures. A standard measurement procedure automatically adjusts the measurement geometry to reduce random errors. A least squares calculation uses all of the image location and calibration data to derive the true three-dimensional positions of the selected object points. This calculation is taught explicitly for any camera geometry and motion.
GB9903366A 1996-08-16 1997-08-08 Apparatus and method for making accurate three-dimensional size measurements of inaccessible objects Expired - Fee Related GB2333595B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/689,993 US6009189A (en) 1996-08-16 1996-08-16 Apparatus and method for making accurate three-dimensional size measurements of inaccessible objects
US08/871,289 US6121999A (en) 1997-06-09 1997-06-09 Eliminating routine alignment calibrations in perspective dimensional measurements
PCT/US1997/015206 WO1998007001A1 (en) 1996-08-16 1997-08-08 Apparatus and method for making accurate three-dimensional size measurements of inaccessible objects

Publications (3)

Publication Number Publication Date
GB9903366D0 GB9903366D0 (en) 1999-04-07
GB2333595A true GB2333595A (en) 1999-07-28
GB2333595B GB2333595B (en) 2001-03-21

Family

ID=27104515

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9903366A Expired - Fee Related GB2333595B (en) 1996-08-16 1997-08-08 Apparatus and method for making accurate three-dimensional size measurements of inaccessible objects

Country Status (4)

Country Link
AU (1) AU4168497A (en)
CA (1) CA2263530A1 (en)
GB (1) GB2333595B (en)
WO (1) WO1998007001A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11656449B2 (en) 2018-02-28 2023-05-23 3D-Oscopy Ltd Imaging system and method

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10031719A1 (en) * 2000-06-29 2002-01-10 Leica Microsystems Illumination device and coordinate measuring device with an illumination device
US7349083B2 (en) 2004-07-21 2008-03-25 The Boeing Company Rotary borescopic optical dimensional mapping tool
CA2597891A1 (en) 2007-08-20 2009-02-20 Marc Miousset Multi-beam optical probe and system for dimensional measurement
WO2011083217A2 (en) * 2010-01-06 2011-07-14 Mathias Lubin Video endoscope
US8786848B2 (en) * 2011-05-05 2014-07-22 Siemens Energy, Inc. Inspection system for a combustor of a turbine engine
WO2015095727A2 (en) 2013-12-20 2015-06-25 Barnet Corbin Surgical system and related methods
US10670538B2 (en) * 2018-04-30 2020-06-02 General Electric Company Techniques for control of non-destructive testing devices via a probe driver
US10712290B2 (en) * 2018-04-30 2020-07-14 General Electric Company Techniques for control of non-destructive testing devices via a probe driver
CN112587124B (en) * 2020-12-29 2024-02-09 苏州半鱼健康科技服务有限公司 Measuring device and measuring method for measuring three-dimensional data of spine
CN114018154B (en) * 2021-11-09 2024-05-28 国网河北省电力有限公司经济技术研究院 Work well space positioning and orientation method and device and electronic equipment
CN114537705B (en) * 2022-04-25 2022-08-12 成都飞机工业（集团）有限责任公司 Airplane flaring conduit assembly method and device with errors, storage medium and equipment
CN114800056A (en) * 2022-04-30 2022-07-29 徐德富 Method for machining and mounting high-form-position precision part
CN116394068B (en) * 2023-06-09 2023-09-29 成都飞机工业（集团）有限责任公司 Method for automatically measuring AC axis zero positioning precision of five-axis linkage numerical control machine tool

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996020389A1 (en) * 1994-12-28 1996-07-04 Keymed (Medical & Industrial Equipment) Ltd. Digitally measuring scopes using a high resolution encoder

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996020389A1 (en) * 1994-12-28 1996-07-04 Keymed (Medical & Industrial Equipment) Ltd. Digitally measuring scopes using a high resolution encoder

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Proceedings of the SPIE, Vol.1898, 1993, pages 85-92 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11656449B2 (en) 2018-02-28 2023-05-23 3D-Oscopy Ltd Imaging system and method

Also Published As

Publication number Publication date
GB9903366D0 (en) 1999-04-07
WO1998007001A1 (en) 1998-02-19
AU4168497A (en) 1998-03-06
GB2333595B (en) 2001-03-21
CA2263530A1 (en) 1998-02-19

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20050808