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Withdrawn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Withdrawn legal-status Critical Current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
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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BR9815836A (en) * 1998-04-27 2000-12-26 Procter & Gamble Improved decomplexed 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
WO2002036015A1 (en) 2000-10-30 2002-05-10 The General Hospital Corporation Optical methods and systems for tissue analysis
WO2006014392A1 (en) 2004-07-02 2006-02-09 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
EP1816949A1 (en) 2004-11-29 2007-08-15 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
JP5702049B2 (en) 2005-06-01 2015-04-15 ザ ジェネラル ホスピタル コーポレイション Apparatus, method and system for performing phase resolved optical frequency domain imaging
EP2207008A1 (en) 2005-08-09 2010-07-14 The General Hospital Corporation Apparatus and method for performing polarization-based quadrature demodulation in optical coherence tomography
EP1928306B1 (en) 2005-09-29 2021-01-13 General Hospital Corporation Optical coherence tomography systems and methods including fluorescence microscopic imaging of one or more biological structures
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.
EP2659851A3 (en) 2006-02-01 2014-01-15 The General Hospital Corporation Apparatus for applying a plurality of electro-magnetic radiations to a sample
EP1987318B1 (en) 2006-02-24 2015-08-12 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
WO2008049118A2 (en) 2006-10-19 2008-04-24 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)
EP2309923B1 (en) 2008-07-14 2020-11-25 The General Hospital Corporation Apparatus and methods for color endoscopy
US9615748B2 (en) 2009-01-20 2017-04-11 The General Hospital Corporation Endoscopic biopsy apparatus, system and method
CN102469943A (en) 2009-07-14 2012-05-23 通用医疗公司 Apparatus, systems and methods for measuring flow and pressure within a vessel
PT2542154T (en) 2010-03-05 2020-11-25 Massachusetts Gen Hospital Systems, methods and computer-accessible medium 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
CN102869299A (en) * 2010-05-04 2013-01-09 爱克透镜国际公司 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
WO2011149972A2 (en) 2010-05-25 2011-12-01 The General Hospital Corporation Systems, devices, methods, apparatus and computer-accessible media 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
WO2013013049A1 (en) 2011-07-19 2013-01-24 The General Hospital Corporation Systems, methods, apparatus and computer-accessible-medium for providing polarization-mode dispersion compensation in optical coherence tomography
WO2013066631A1 (en) 2011-10-18 2013-05-10 The General Hospital Corporation Apparatus and methods for producing and/or providing recirculating optical delay(s)
EP2833776A4 (en) 2012-03-30 2015-12-09 Gen Hospital Corp 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
EP2948758B1 (en) 2013-01-28 2024-03-13 The General Hospital Corporation Apparatus for providing diffuse spectroscopy co-registered with optical frequency domain imaging
WO2014120791A1 (en) 2013-01-29 2014-08-07 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
US10478072B2 (en) 2013-03-15 2019-11-19 The General Hospital Corporation Methods and system for characterizing an object
WO2014186353A1 (en) 2013-05-13 2014-11-20 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
EP4349242A2 (en) 2013-07-19 2024-04-10 The General Hospital Corporation Imaging apparatus and method which utilizes multidirectional field of view endoscopy
WO2015013651A2 (en) 2013-07-26 2015-01-29 The General Hospital Corporation System, apparatus and method utilizing optical dispersion for fourier-domain optical coherence tomography
WO2015105870A1 (en) 2014-01-08 2015-07-16 The General Hospital Corporation Method and apparatus for microscopic imaging
WO2015116986A2 (en) 2014-01-31 2015-08-06 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)
ES2907287T3 (en) 2014-07-25 2022-04-22 Massachusetts Gen Hospital Apparatus for imaging and in vivo diagnosis

Citations (3)

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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

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

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