CA2172284C - Processing of keratoscopic images using local spatial phase - Google Patents
Processing of keratoscopic images using local spatial phaseInfo
- Publication number
- CA2172284C CA2172284C CA002172284A CA2172284A CA2172284C CA 2172284 C CA2172284 C CA 2172284C CA 002172284 A CA002172284 A CA 002172284A CA 2172284 A CA2172284 A CA 2172284A CA 2172284 C CA2172284 C CA 2172284C
- Authority
- CA
- Canada
- Prior art keywords
- dimensional
- image
- processing
- unknown
- distances
- 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.)
- Expired - Fee Related
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)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US28712694A | 1994-08-08 | 1994-08-08 | |
US287,126 | 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 |
---|---|
CA2172284A1 CA2172284A1 (en) | 1996-02-22 |
CA2172284C true CA2172284C (en) | 1999-09-28 |
Family
ID=23101567
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002172284A Expired - Fee Related CA2172284C (en) | 1994-08-08 | 1995-06-07 | Processing of keratoscopic images using local spatial phase |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0722285A4 (de) |
JP (1) | JP3010072B2 (de) |
CA (1) | CA2172284C (de) |
WO (1) | WO1996004839A1 (de) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BR9815836A (pt) * | 1998-04-27 | 2000-12-26 | Procter & Gamble | Composições de ciclodextrina descomplexada aperfeiçoada para controle de odor |
JP3602371B2 (ja) * | 1999-06-04 | 2004-12-15 | 株式会社ニデック | 角膜形状測定装置 |
US6258217B1 (en) | 1999-09-29 | 2001-07-10 | Plasma-Therm, Inc. | Rotating magnet array and sputter source |
ATE454845T1 (de) | 2000-10-30 | 2010-01-15 | Gen Hospital Corp | Optische systeme zur gewebeanalyse |
JP4995720B2 (ja) | 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 | ダブルクラッドファイバを有する内視鏡撮像プローブ |
JP5324095B2 (ja) | 2004-08-24 | 2013-10-23 | ザ ジェネラル ホスピタル コーポレイション | 血管セグメントを画像化する方法および装置 |
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 (de) | 2005-04-28 | 2009-08-05 | The General Hospital Corporation | Beurteilung von optischen Kohärenztomographieinformationen für eine anatomische Struktur |
EP1889037A2 (de) | 2005-06-01 | 2008-02-20 | The General Hospital Corporation | Vorrichtung, verfahren und system zur abbildung phasenaufgelöster optischer frequenzdomänen |
KR101387454B1 (ko) | 2005-08-09 | 2014-04-22 | 더 제너럴 하스피탈 코포레이션 | 광간섭 단층촬영법에서 편광 기반 직교 복조를 수행하기위한 장치, 방법 및 저장 매체 |
KR20080066705A (ko) | 2005-09-29 | 2008-07-16 | 더 제너럴 하스피탈 코포레이션 | 점진적으로 증가하는 분해능을 이용하여 하나 이상의 생물학적 샘플을 관찰 및 분석하기 위한 방법 및 장치 |
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 |
EP2659851A3 (de) | 2006-02-01 | 2014-01-15 | The General Hospital Corporation | Vorrichtung zur Anwendung mehrerer elektromagnetischer Strahlungen auf einer Probe |
JP5524487B2 (ja) | 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 | コンフォーマルレーザ治療手順を用いてサンプルの少なくとも一部分に電磁放射を放射する方法及びシステム。 |
EP2982929A1 (de) | 2006-02-24 | 2016-02-10 | The General Hospital Corporation | Verfahren und systeme zur durchführung von winkelaufgelöster optischer kohärenztomografie im fourier-bereich |
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) |
US9254089B2 (en) | 2008-07-14 | 2016-02-09 | The General Hospital Corporation | Apparatus and methods for facilitating at least partial overlap of dispersed ration on at least one sample |
US9615748B2 (en) | 2009-01-20 | 2017-04-11 | The General Hospital Corporation | Endoscopic biopsy apparatus, system and method |
EP2453791B1 (de) | 2009-07-14 | 2023-09-06 | The General Hospital Corporation | Vorrichtung zum messen des flusses und drucks in einem gefäss |
EP2542154B1 (de) | 2010-03-05 | 2020-09-09 | The General Hospital Corporation | Vorrichtung zur bereitstellung elektromagnetischer strahlung für proben |
US9069130B2 (en) | 2010-05-03 | 2015-06-30 | The General Hospital Corporation | Apparatus, method and system for generating optical radiation from biological gain media |
EP2566381B1 (de) * | 2010-05-04 | 2014-04-02 | Akkolens International B.V. | Hornhauttopograph |
US9557154B2 (en) | 2010-05-25 | 2017-01-31 | The General Hospital Corporation | Systems, devices, methods, apparatus and computer-accessible media for providing optical imaging of structures and compositions |
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 |
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 |
JP5883018B2 (ja) | 2010-10-27 | 2016-03-09 | ザ ジェネラル ホスピタル コーポレイション | 少なくとも1つの血管内部の血圧を測定するための装置、システム、および方法 |
JP2014523536A (ja) | 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 | 光コヒーレンストモグラフィーにおいて偏波モード分散補償を提供するためのシステム、方法、装置およびコンピュータアクセス可能な媒体 |
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 |
JP2015517387A (ja) | 2012-05-21 | 2015-06-22 | ザ ジェネラル ホスピタル コーポレイション | カプセル顕微鏡検査のための装置、デバイスおよび方法 |
JP6227652B2 (ja) | 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 | ソフトリソグラフィを用いてミニチュア内視鏡を製作するためのシステム、方法、およびコンピュータ・アクセス可能媒体 |
EP2948758B1 (de) | 2013-01-28 | 2024-03-13 | The General Hospital Corporation | Vorrichtung zur bereitstellung von gemeinsam mit optischer frequenzdomänenbildgebung aufgezeichneter diffuser spektroskopie |
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 |
EP2997354A4 (de) | 2013-05-13 | 2017-01-18 | The General Hospital Corporation | Erkennung einer selbstinterferierenden fluoreszenzphase und amplitude |
EP3021735A4 (de) | 2013-07-19 | 2017-04-19 | The General Hospital Corporation | Bestimmung der augenbewegung mittels netzhautabbildung mit rückkopplung |
EP3021734B1 (de) | 2013-07-19 | 2020-04-08 | The General Hospital Corporation | Abbildungsvorrichtung unter verwendung einer endoskopie mit multidirektionalem sichtfeld |
EP3025173B1 (de) | 2013-07-26 | 2021-07-07 | The General Hospital Corporation | Vorrichtung mit optische dispersion nutzender laseranordnung zur anwendung in der fourier-raum optischen kohärenztomographie |
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) |
ES2907287T3 (es) | 2014-07-25 | 2022-04-22 | Massachusetts Gen Hospital | Aparato para imagenología y diagnóstico in vivo |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4794550A (en) * | 1986-10-15 | 1988-12-27 | Eastman Kodak Company | Extended-range moire contouring |
US4863260A (en) * | 1987-11-04 | 1989-09-05 | Computed Anatomy Inc. | System for topographical modeling of anatomical surfaces |
WO1992001417A1 (en) * | 1990-07-19 | 1992-02-06 | Horwitz Larry S | Vision measurement and correction |
JPH04332525A (ja) * | 1991-05-02 | 1992-11-19 | Topcon Corp | 角膜形状測定装置 |
JPH0630900A (ja) * | 1992-07-13 | 1994-02-08 | Kimiya Shimizu | 角膜の光学特性の表示方法 |
-
1995
- 1995-06-07 JP JP7522013A patent/JP3010072B2/ja not_active Expired - Fee Related
- 1995-06-07 WO PCT/US1995/007214 patent/WO1996004839A1/en not_active Application Discontinuation
- 1995-06-07 EP EP95922992A patent/EP0722285A4/de not_active Withdrawn
- 1995-06-07 CA CA002172284A patent/CA2172284C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO1996004839A1 (en) | 1996-02-22 |
EP0722285A1 (de) | 1996-07-24 |
JPH08510949A (ja) | 1996-11-19 |
EP0722285A4 (de) | 1998-11-04 |
JP3010072B2 (ja) | 2000-02-14 |
CA2172284A1 (en) | 1996-02-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |