EP0722285A4 - Processing of keratoscopic images using local spatial phase - Google Patents

Processing of keratoscopic images using local spatial phase

Info

Publication number
EP0722285A4
EP0722285A4 EP95922992A EP95922992A EP0722285A4 EP 0722285 A4 EP0722285 A4 EP 0722285A4 EP 95922992 A EP95922992 A EP 95922992A EP 95922992 A EP95922992 A EP 95922992A EP 0722285 A4 EP0722285 A4 EP 0722285A4
Authority
EP
European Patent Office
Prior art keywords
keratoscopic
images
processing
spatial phase
local spatial
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.)
Withdrawn
Application number
EP95922992A
Other languages
German (de)
French (fr)
Other versions
EP0722285A1 (en
Inventor
Richard J Mammone
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.)
Tomey Co Ltd
Original Assignee
Computed Anatomy Inc
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 Computed Anatomy Inc filed Critical Computed Anatomy Inc
Publication of EP0722285A1 publication Critical patent/EP0722285A1/en
Publication of EP0722285A4 publication Critical patent/EP0722285A4/en
Withdrawn legal-status Critical Current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
    • G01B11/255—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures for measuring radius of curvature
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/107—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining the shape or measuring the curvature of the cornea

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Ophthalmology & Optometry (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Eye Examination Apparatus (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Image Processing (AREA)
EP95922992A 1994-08-08 1995-06-07 Processing of keratoscopic images using local spatial phase Withdrawn EP0722285A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US28712694A 1994-08-08 1994-08-08
US287126 1994-08-08
PCT/US1995/007214 WO1996004839A1 (en) 1994-08-08 1995-06-07 Processing of keratoscopic images using local spatial phase

Publications (2)

Publication Number Publication Date
EP0722285A1 EP0722285A1 (en) 1996-07-24
EP0722285A4 true EP0722285A4 (en) 1998-11-04

Family

ID=23101567

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95922992A Withdrawn EP0722285A4 (en) 1994-08-08 1995-06-07 Processing of keratoscopic images using local spatial phase

Country Status (4)

Country Link
EP (1) EP0722285A4 (en)
JP (1) JP3010072B2 (en)
CA (1) CA2172284C (en)
WO (1) WO1996004839A1 (en)

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WO1999055813A1 (en) * 1998-04-27 1999-11-04 The Procter & Gamble Company Improved uncomplexed cyclodextrin compositions for odor control
JP3602371B2 (en) * 1999-06-04 2004-12-15 株式会社ニデック Corneal shape measuring device
US6258217B1 (en) 1999-09-29 2001-07-10 Plasma-Therm, Inc. Rotating magnet array and sputter source
DE60141090D1 (en) 2000-10-30 2010-03-04 Gen Hospital Corp OPTICAL SYSTEMS FOR TISSUE ANALYSIS
AU2005270037B2 (en) 2004-07-02 2012-02-09 The General Hospital Corporation Endoscopic imaging probe comprising dual clad fibre
WO2006024015A1 (en) 2004-08-24 2006-03-02 The General Hospital Corporation Method and apparatus for imaging of vessel segments
US8922781B2 (en) 2004-11-29 2014-12-30 The General Hospital Corporation Arrangements, devices, endoscopes, catheters and methods for performing optical imaging by simultaneously illuminating and detecting multiple points on a sample
EP2085929A1 (en) 2005-04-28 2009-08-05 The General Hospital Corporation Evaluating optical coherence tomography information for an anatomical structure
EP1889037A2 (en) 2005-06-01 2008-02-20 The General Hospital Corporation Apparatus, method and system for performing phase-resolved optical frequency domain imaging
ATE484727T1 (en) 2005-08-09 2010-10-15 Gen Hospital Corp DEVICE AND METHOD FOR PERFORMING POLARIZATION-BASED QUADRATURE DEMODULATION IN OPTICAL COHERENCE TOMOGRAPHY
AU2006299659A1 (en) 2005-09-29 2007-04-12 General Hospital Corporation Method and apparatus for method for viewing and analyzing of one or more biological samples with progressively increasing resolutions
US8145018B2 (en) 2006-01-19 2012-03-27 The General Hospital Corporation Apparatus for obtaining information for a structure using spectrally-encoded endoscopy techniques and methods for producing one or more optical arrangements
US7538859B2 (en) 2006-02-01 2009-05-26 The General Hospital Corporation Methods and systems for monitoring and obtaining information of at least one portion of a sample using conformal laser therapy procedures, and providing electromagnetic radiation thereto
EP1983921B1 (en) 2006-02-01 2016-05-25 The General Hospital Corporation Systems for providing electromagnetic radiation to at least one portion of a sample using conformal laser therapy procedures
US7982879B2 (en) 2006-02-24 2011-07-19 The General Hospital Corporation Methods and systems for performing angle-resolved fourier-domain optical coherence tomography
EP3150110B1 (en) 2006-05-10 2020-09-02 The General Hospital Corporation Processes, arrangements and systems for providing frequency domain imaging of a sample
US8838213B2 (en) 2006-10-19 2014-09-16 The General Hospital Corporation Apparatus and method for obtaining and providing imaging information associated with at least one portion of a sample, and effecting such portion(s)
WO2010009136A2 (en) 2008-07-14 2010-01-21 The General Hospital Corporation Apparatus and methods for color endoscopy
JP2012515576A (en) 2009-01-20 2012-07-12 ザ ジェネラル ホスピタル コーポレイション Endoscopic biopsy device, system, and method
US11490826B2 (en) 2009-07-14 2022-11-08 The General Hospital Corporation Apparatus, systems and methods for measuring flow and pressure within a vessel
HRP20201813T1 (en) 2010-03-05 2021-03-19 The General Hospital Corporation DEVICE FOR PROVIDING ELECTROMAGNETIC RADIATION ON A SAMPLE
US9069130B2 (en) 2010-05-03 2015-06-30 The General Hospital Corporation Apparatus, method and system for generating optical radiation from biological gain media
WO2011139148A1 (en) * 2010-05-04 2011-11-10 Akkolens International B.V. Corneal topographer
WO2011150069A2 (en) 2010-05-25 2011-12-01 The General Hospital Corporation Apparatus, systems, methods and computer-accessible medium for spectral analysis of optical coherence tomography images
EP2575597B1 (en) 2010-05-25 2022-05-04 The General Hospital Corporation Apparatus for providing optical imaging of structures and compositions
WO2011153434A2 (en) 2010-06-03 2011-12-08 The General Hospital Corporation Apparatus and method for devices for imaging structures in or at one or more luminal organs
EP2632324A4 (en) 2010-10-27 2015-04-22 Gen Hospital Corp APPARATUS, SYSTEMS AND METHODS FOR MEASURING BLOOD PRESSURE IN AT LEAST ONE VESSEL
JP2014523536A (en) 2011-07-19 2014-09-11 ザ ジェネラル ホスピタル コーポレイション System, method, apparatus and computer-accessible medium for providing polarization mode dispersion compensation in optical coherence tomography
US9341783B2 (en) 2011-10-18 2016-05-17 The General Hospital Corporation Apparatus and methods for producing and/or providing recirculating optical delay(s)
US9629528B2 (en) 2012-03-30 2017-04-25 The General Hospital Corporation Imaging system, method and distal attachment for multidirectional field of view endoscopy
EP2852315A4 (en) 2012-05-21 2016-06-08 Gen Hospital Corp APPARATUS, DEVICE AND METHOD FOR CAPSULE MICROSCOPY
JP6227652B2 (en) 2012-08-22 2017-11-08 ザ ジェネラル ホスピタル コーポレイション System, method, and computer-accessible medium for fabricating a miniature endoscope using soft lithography
EP2948758B1 (en) 2013-01-28 2024-03-13 The General Hospital Corporation Apparatus for providing diffuse spectroscopy co-registered with optical frequency domain imaging
US10893806B2 (en) 2013-01-29 2021-01-19 The General Hospital Corporation Apparatus, systems and methods for providing information regarding the aortic valve
WO2014121082A1 (en) 2013-02-01 2014-08-07 The General Hospital Corporation Objective lens arrangement for confocal endomicroscopy
WO2014144709A2 (en) 2013-03-15 2014-09-18 The General Hospital Corporation Methods and systems for characterizing an object
US9784681B2 (en) 2013-05-13 2017-10-10 The General Hospital Corporation System and method for efficient detection of the phase and amplitude of a periodic modulation associated with self-interfering fluorescence
EP3021735A4 (en) 2013-07-19 2017-04-19 The General Hospital Corporation Determining eye motion by imaging retina. with feedback
EP3692887B1 (en) 2013-07-19 2024-03-06 The General Hospital Corporation Imaging apparatus which utilizes multidirectional field of view endoscopy
EP3910282B1 (en) 2013-07-26 2024-01-17 The General Hospital Corporation Method of providing a laser radiation with a laser arrangement utilizing optical dispersion for applications in fourier-domain optical coherence tomography
US9733460B2 (en) 2014-01-08 2017-08-15 The General Hospital Corporation Method and apparatus for microscopic imaging
US10736494B2 (en) 2014-01-31 2020-08-11 The General Hospital Corporation System and method for facilitating manual and/or automatic volumetric imaging with real-time tension or force feedback using a tethered imaging device
US10228556B2 (en) 2014-04-04 2019-03-12 The General Hospital Corporation Apparatus and method for controlling propagation and/or transmission of electromagnetic radiation in flexible waveguide(s)
US10912462B2 (en) 2014-07-25 2021-02-09 The General Hospital Corporation Apparatus, devices and methods for in vivo imaging and diagnosis
CN115105011B (en) * 2022-05-18 2025-02-14 杭州微晓医疗科技有限公司 A method, device, medium and product for determining corneal curvature radius

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WO1988002847A2 (en) * 1986-10-15 1988-04-21 Eastman Kodak Company Extended-range moire contouring
WO1992001417A1 (en) * 1990-07-19 1992-02-06 Horwitz Larry S Vision measurement and correction
JPH0630900A (en) * 1992-07-13 1994-02-08 Kimiya Shimizu Display method for optical characteristic of cornea

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4863260A (en) * 1987-11-04 1989-09-05 Computed Anatomy Inc. System for topographical modeling of anatomical surfaces
JPH04332525A (en) * 1991-05-02 1992-11-19 Topcon Corp Cornea shape measuring instrument

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988002847A2 (en) * 1986-10-15 1988-04-21 Eastman Kodak Company Extended-range moire contouring
WO1992001417A1 (en) * 1990-07-19 1992-02-06 Horwitz Larry S Vision measurement and correction
JPH0630900A (en) * 1992-07-13 1994-02-08 Kimiya Shimizu Display method for optical characteristic of cornea
US5357294A (en) * 1992-07-13 1994-10-18 Kimiya Shimizu Method for displaying optical properties of corneas

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9604839A1 *

Also Published As

Publication number Publication date
JPH08510949A (en) 1996-11-19
CA2172284A1 (en) 1996-02-22
EP0722285A1 (en) 1996-07-24
CA2172284C (en) 1999-09-28
WO1996004839A1 (en) 1996-02-22
JP3010072B2 (en) 2000-02-14

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