JP2019037650A - 画像取得装置およびその制御方法 - Google Patents

画像取得装置およびその制御方法 Download PDF

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Publication number
JP2019037650A
JP2019037650A JP2017163475A JP2017163475A JP2019037650A JP 2019037650 A JP2019037650 A JP 2019037650A JP 2017163475 A JP2017163475 A JP 2017163475A JP 2017163475 A JP2017163475 A JP 2017163475A JP 2019037650 A JP2019037650 A JP 2019037650A
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JP
Japan
Prior art keywords
light
optical path
path length
adjustment
focus
Prior art date
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Pending
Application number
JP2017163475A
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English (en)
Japanese (ja)
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JP2019037650A5 (https=
Inventor
悠二 片芝
Yuji Katashiba
悠二 片芝
松本　和浩
Kazuhiro Matsumoto
和浩 松本
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Canon Inc
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Canon 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 Canon Inc filed Critical Canon Inc
Priority to JP2017163475A priority Critical patent/JP2019037650A/ja
Priority to PCT/JP2018/030043 priority patent/WO2019044457A1/ja
Publication of JP2019037650A publication Critical patent/JP2019037650A/ja
Priority to US16/796,655 priority patent/US11134841B2/en
Publication of JP2019037650A5 publication Critical patent/JP2019037650A5/ja
Pending legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/0209—Low-coherence interferometers
    • G01B9/02091—Tomographic interferometers, e.g. based on optical coherence
    • 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
    • A61B3/102—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for optical coherence tomography [OCT]
    • 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
    • A61B3/12—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
    • A61B3/1225—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes using coherent radiation
    • 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
    • A61B3/14—Arrangements specially adapted for eye photography
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02015—Interferometers characterised by the beam path configuration
    • G01B9/02029—Combination with non-interferometric systems, i.e. for measuring the object
    • G01B9/0203—With imaging systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02034—Interferometers characterised by particularly shaped beams or wavefronts
    • G01B9/02038—Shaping the wavefront, e.g. generating a spherical wavefront
    • G01B9/02039—Shaping the wavefront, e.g. generating a spherical wavefront by matching the wavefront with a particular object surface shape
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02055—Reduction or prevention of errors; Testing; Calibration
    • G01B9/02062—Active error reduction, i.e. varying with time
    • G01B9/02063—Active error reduction, i.e. varying with time by particular alignment of focus position, e.g. dynamic focussing in optical coherence tomography
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02055—Reduction or prevention of errors; Testing; Calibration
    • G01B9/02062—Active error reduction, i.e. varying with time
    • G01B9/02067—Active error reduction, i.e. varying with time by electronic control systems, i.e. using feedback acting on optics or light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • 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
    • A61B3/14—Arrangements specially adapted for eye photography
    • A61B3/15—Arrangements specially adapted for eye photography with means for aligning, spacing or blocking spurious reflection ; with means for relaxing
    • A61B3/152—Arrangements specially adapted for eye photography with means for aligning, spacing or blocking spurious reflection ; with means for relaxing for aligning

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Medical Informatics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Molecular Biology (AREA)
  • Automation & Control Theory (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Eye Examination Apparatus (AREA)
JP2017163475A 2017-08-28 2017-08-28 画像取得装置およびその制御方法 Pending JP2019037650A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2017163475A JP2019037650A (ja) 2017-08-28 2017-08-28 画像取得装置およびその制御方法
PCT/JP2018/030043 WO2019044457A1 (ja) 2017-08-28 2018-08-10 画像取得装置およびその制御方法
US16/796,655 US11134841B2 (en) 2017-08-28 2020-02-20 Image acquisition apparatus and method for controlling the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017163475A JP2019037650A (ja) 2017-08-28 2017-08-28 画像取得装置およびその制御方法

Publications (2)

Publication Number Publication Date
JP2019037650A true JP2019037650A (ja) 2019-03-14
JP2019037650A5 JP2019037650A5 (https=) 2020-08-20

Family

ID=65525393

Family Applications (1)

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JP2017163475A Pending JP2019037650A (ja) 2017-08-28 2017-08-28 画像取得装置およびその制御方法

Country Status (3)

Country Link
US (1) US11134841B2 (https=)
JP (1) JP2019037650A (https=)
WO (1) WO2019044457A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3695261B1 (en) * 2017-10-09 2023-06-07 Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO Refocusing device
US12089897B2 (en) 2019-06-20 2024-09-17 Duke University Systems and methods for multiplexing and alternating light of different wavelengths in an ophthalmoscope
US20250255482A1 (en) * 2024-02-13 2025-08-14 Identifeye Health Inc. Digital light processing (dlp) for fundus imaging

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004191114A (ja) * 2002-12-10 2004-07-08 Naohiro Tanno 光コヒーレンストモグラフィーにおける光干渉計一体駆動による検知点走査方法及び光コヒーレンストモグラフィー装置
US20080024767A1 (en) * 2006-07-28 2008-01-31 Peter Seitz Imaging optical coherence tomography with dynamic coherent focus
JP2015221091A (ja) * 2014-05-22 2015-12-10 株式会社トプコン 眼科装置
JP2016049368A (ja) * 2014-09-01 2016-04-11 株式会社ニデック 眼科撮影装置
WO2016121249A1 (ja) * 2015-01-30 2016-08-04 浜松ホトニクス株式会社 干渉光学装置、干渉観察装置および干渉観察方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2278265A3 (en) * 2004-11-24 2011-06-29 The General Hospital Corporation Common-Path Interferometer for Endoscopic OCT
EP1887312A1 (en) 2006-07-28 2008-02-13 Heliotis AG Imaging optical coherence tomography with dynamic coherent Focus
US8395781B2 (en) * 2007-07-12 2013-03-12 Volcano Corporation Automatic calibration systems and methods of use
US8125645B2 (en) * 2008-03-31 2012-02-28 Fujifilm Corporation Optical tomographic imaging system, tomographic image acquiring method, and optical tomographic image forming method
JP5331395B2 (ja) * 2008-07-04 2013-10-30 株式会社ニデック 光断層像撮影装置
JP5794664B2 (ja) * 2011-01-20 2015-10-14 キヤノン株式会社 断層画像生成装置及び断層画像生成方法
JP5210443B1 (ja) 2012-01-26 2013-06-12 キヤノン株式会社 光断層撮像装置および制御方法
JP6007527B2 (ja) 2012-03-13 2016-10-12 株式会社ニデック 眼底撮影装置
JP6186215B2 (ja) 2013-09-04 2017-08-23 株式会社日立エルジーデータストレージ 光計測装置及び光断層観察方法
JP6429447B2 (ja) * 2013-10-24 2018-11-28 キヤノン株式会社 情報処理装置、比較方法、位置合わせ方法及びプログラム
JP2016041221A (ja) * 2014-08-19 2016-03-31 株式会社トプコン 眼科撮影装置およびその制御方法
JP6808383B2 (ja) * 2015-09-30 2021-01-06 キヤノン株式会社 光干渉断層撮影装置、その制御方法および光干渉断層撮影システム
US11452442B2 (en) * 2016-06-15 2022-09-27 Oregon Health & Science University Systems and methods for automated widefield optical coherence tomography angiography
JP6731868B2 (ja) * 2017-02-17 2020-07-29 株式会社Ｓｃｒｅｅｎホールディングス 撮像方法および撮像装置
JP6929684B2 (ja) * 2017-04-06 2021-09-01 キヤノン株式会社 眼科撮影装置及びその制御方法
WO2019117036A1 (ja) * 2017-12-14 2019-06-20 キヤノン株式会社 撮像装置及びその制御方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004191114A (ja) * 2002-12-10 2004-07-08 Naohiro Tanno 光コヒーレンストモグラフィーにおける光干渉計一体駆動による検知点走査方法及び光コヒーレンストモグラフィー装置
US20080024767A1 (en) * 2006-07-28 2008-01-31 Peter Seitz Imaging optical coherence tomography with dynamic coherent focus
JP2015221091A (ja) * 2014-05-22 2015-12-10 株式会社トプコン 眼科装置
JP2016049368A (ja) * 2014-09-01 2016-04-11 株式会社ニデック 眼科撮影装置
WO2016121249A1 (ja) * 2015-01-30 2016-08-04 浜松ホトニクス株式会社 干渉光学装置、干渉観察装置および干渉観察方法

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US20200187773A1 (en) 2020-06-18
US11134841B2 (en) 2021-10-05
WO2019044457A1 (ja) 2019-03-07

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