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Withdrawn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Withdrawn legal-status Critical Current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
JP4241038B2 (en) 2000-10-30 2009-03-18 ザ ジェネラル ホスピタル コーポレーション Optical method and system for tissue analysis
JP4995720B2 (en) 2004-07-02 2012-08-08 ザ ジェネラル ホスピタル コーポレイション Endoscopic imaging probe with double clad fiber
KR20120062944A (en) 2004-08-24 2012-06-14 더 제너럴 하스피탈 코포레이션 Method and apparatus for imaging of vessel segments
WO2006058346A1 (en) 2004-11-29 2006-06-01 The General Hospital Corporation Arrangements, devices, endoscopes, catheters and methods for performing optical imaging by simultaneously illuminating and detecting multiple points on a sample
EP1875436B1 (en) 2005-04-28 2009-12-09 The General Hospital Corporation Evaluation of image features of an anatomical structure in optical coherence tomography images
US9060689B2 (en) 2005-06-01 2015-06-23 The General Hospital Corporation Apparatus, method and system for performing phase-resolved optical frequency domain imaging
ES2354287T3 (en) 2005-08-09 2011-03-11 The General Hospital Corporation APPARATUS AND METHOD FOR PERFORMING A DEMODULATION IN QUADRATURE BY POLARIZATION IN OPTICAL COHERENCE TOMOGRAPHY.
US7843572B2 (en) 2005-09-29 2010-11-30 The General Hospital Corporation Method and apparatus for optical imaging via spectral encoding
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
JP5524487B2 (en) 2006-02-01 2014-06-18 ザ ジェネラル ホスピタル コーポレイション A method and system for emitting electromagnetic radiation to at least a portion of a sample using a conformal laser treatment procedure.
JP5680829B2 (en) 2006-02-01 2015-03-04 ザ ジェネラル ホスピタル コーポレイション A device that irradiates a sample with multiple electromagnetic radiations
JP2009527770A (en) 2006-02-24 2009-07-30 ザ ジェネラル ホスピタル コーポレイション Method and system for performing angle-resolved Fourier domain optical coherence tomography
WO2007133961A2 (en) * 2006-05-10 2007-11-22 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
BR112012001042A2 (en) 2009-07-14 2016-11-22 Gen Hospital Corp fluid flow measurement equipment and method within anatomical structure.
RS61066B1 (en) 2010-03-05 2020-12-31 Massachusetts Gen Hospital Systems which provide microscopic images of at least one anatomical structure at a particular resolution
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
US9795301B2 (en) 2010-05-25 2017-10-24 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
US10285568B2 (en) 2010-06-03 2019-05-14 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 within at least one vessel
US9330092B2 (en) 2011-07-19 2016-05-03 The General Hospital Corporation Systems, methods, apparatus and computer-accessible-medium for providing polarization-mode dispersion compensation in optical coherence tomography
EP2769491A4 (en) 2011-10-18 2015-07-22 Gen Hospital Corp Apparatus and methods for producing and/or providing recirculating optical delay(s)
WO2013148306A1 (en) 2012-03-30 2013-10-03 The General Hospital Corporation Imaging system, method and distal attachment for multidirectional field of view endoscopy
WO2013177154A1 (en) 2012-05-21 2013-11-28 The General Hospital Corporation Apparatus, device and method for capsule microscopy
EP2888616A4 (en) 2012-08-22 2016-04-27 Gen Hospital Corp System, method, and computer-accessible medium for fabrication minature endoscope using soft lithography
WO2014117130A1 (en) 2013-01-28 2014-07-31 The General Hospital Corporation Apparatus and method 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
US11179028B2 (en) 2013-02-01 2021-11-23 The General Hospital Corporation Objective lens arrangement for confocal endomicroscopy
JP6378311B2 (en) 2013-03-15 2018-08-22 ザ ジェネラル ホスピタル コーポレイション Methods and systems for characterizing objects
EP2997354A4 (en) 2013-05-13 2017-01-18 The General Hospital Corporation Detecting self-interefering fluorescence phase and amplitude
US10117576B2 (en) 2013-07-19 2018-11-06 The General Hospital Corporation System, method and computer accessible medium for determining eye motion by imaging retina and providing feedback for acquisition of signals from the retina
WO2015009932A1 (en) 2013-07-19 2015-01-22 The General Hospital Corporation Imaging apparatus and method 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
WO2015105870A1 (en) 2014-01-08 2015-07-16 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
WO2015153982A1 (en) 2014-04-04 2015-10-08 The General Hospital Corporation Apparatus and method for controlling propagation and/or transmission of electromagnetic radiation in flexible waveguide(s)
KR102513779B1 (en) 2014-07-25 2023-03-24 더 제너럴 하스피탈 코포레이션 Apparatus, devices and methods for in vivo imaging and diagnosis

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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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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
EP0722285A1 (en) 1996-07-24
CA2172284C (en) 1999-09-28
JP3010072B2 (en) 2000-02-14
CA2172284A1 (en) 1996-02-22
WO1996004839A1 (en) 1996-02-22

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