IN2014CH02163A - - Google Patents

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Publication number
IN2014CH02163A
IN2014CH02163A IN2163CH2014A IN2014CH02163A IN 2014CH02163 A IN2014CH02163 A IN 2014CH02163A IN 2163CH2014 A IN2163CH2014 A IN 2163CH2014A IN 2014CH02163 A IN2014CH02163 A IN 2014CH02163A
Authority
IN
India
Prior art keywords
polarization data
data items
averaging
acquiring
amplitude
Prior art date
Application number
Other languages
English (en)
Inventor
Makoto Sato
Mitsuro Sugita
Stefan Zotter
Michael Pircher
Christoph Hitzenberger
Original Assignee
Canon Kk
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 Kk filed Critical Canon Kk
Publication of IN2014CH02163A publication Critical patent/IN2014CH02163A/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. 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
    • G01B9/0209—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]
    • 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
    • G01B9/02083—Interferometers characterised by particular signal processing and presentation
    • G01B9/02087—Combining two or more images of the same region
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B2290/00—Aspects of interferometers not specifically covered by any group under G01B9/02
    • G01B2290/70—Using polarization in the interferometer
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10072—Tomographic images
    • G06T2207/10101—Optical tomography; Optical coherence tomography [OCT]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20212—Image combination
    • G06T2207/20216—Image averaging
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30004—Biomedical image processing
    • G06T2207/30041—Eye; Retina; Ophthalmic
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Ophthalmology & Optometry (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Signal Processing (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Eye Examination Apparatus (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
IN2163CH2014 2013-05-01 2014-04-29 IN2014CH02163A (el)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2013096531 2013-05-01

Publications (1)

Publication Number Publication Date
IN2014CH02163A true IN2014CH02163A (el) 2015-07-03

Family

ID=50677989

Family Applications (1)

Application Number Title Priority Date Filing Date
IN2163CH2014 IN2014CH02163A (el) 2013-05-01 2014-04-29

Country Status (10)

Country Link
US (1) US9279660B2 (el)
EP (1) EP2799807B1 (el)
JP (1) JP6294752B2 (el)
KR (1) KR101704113B1 (el)
CN (1) CN104134199B (el)
BR (1) BR102014010438A2 (el)
IN (1) IN2014CH02163A (el)
MY (1) MY176726A (el)
PH (1) PH12014000129A1 (el)
RU (1) RU2598052C2 (el)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9378542B2 (en) * 2011-09-28 2016-06-28 The United States Of America As Represented By The Secretary Of The Army System and processor implemented method for improved image quality and generating an image of a target illuminated by quantum particles
JP6226510B2 (ja) 2012-01-27 2017-11-08 キヤノン株式会社 画像処理システム、処理方法及びプログラム
JP6598466B2 (ja) * 2015-01-30 2019-10-30 キヤノン株式会社 断層撮像装置、断層撮像方法、およびプログラム
JP6962968B2 (ja) * 2015-02-02 2021-11-05 アルコン インコーポレイティド 眼疾患の生体力学的診断用の光学機器
WO2016124216A1 (en) * 2015-02-02 2016-08-11 Wavelight Gmbh Optical instrument for biomechanical diagnosis of eye disease
CN105261051B (zh) 2015-09-25 2018-10-02 沈阳东软医疗系统有限公司 一种获取图像掩码的方法及装置
JP6694896B2 (ja) * 2015-12-15 2020-05-20 株式会社堀場製作所 分光器、光学検査装置、及び、ｏｃｔ装置
CN106419828B (zh) * 2016-09-19 2017-10-20 苏州轩睿医疗科技有限公司 一种快速提高眼科光学相干断层扫描成像设备分辨率的方法
CN106264473A (zh) * 2016-10-11 2017-01-04 湖北器长光电股份有限公司 一种 lcd 调制皮肤检测成像系统及成像方法
CN109963494B (zh) * 2016-11-30 2022-03-08 南加州大学 具有改进的图像质量的光相干断层成像系统
CN107966412B (zh) * 2017-12-05 2020-04-10 天津大学 基于正交偏振图像拉伸和偏振度关联的图像去雾方法
EP3572765A1 (de) * 2018-05-23 2019-11-27 Haag-Streit Ag Oct-system und oct-verfahren
TWI728818B (zh) * 2020-05-22 2021-05-21 貞安有限公司 居家監控眼底時程影像的系統與方法
CN114909987B (zh) * 2022-05-09 2024-02-02 东南大学 一种b扫描分割法抑制样品整体抖动的方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2184347C2 (ru) * 2000-08-09 2002-06-27 Мазуренко Юрий Тарасович Способ получения изображений внутренней структуры объектов
WO2005017826A2 (en) * 2003-08-06 2005-02-24 The Arizona Board Of Regents On Behalf Of The University Of Arizona Advanced polarization imaging method, apparatus, and computer program product for retinal imaging, liquid crystal testing, active remote sensing, and other applications
US7359062B2 (en) * 2003-12-09 2008-04-15 The Regents Of The University Of California High speed spectral domain functional optical coherence tomography and optical doppler tomography for in vivo blood flow dynamics and tissue structure
US20080007734A1 (en) * 2004-10-29 2008-01-10 The General Hospital Corporation System and method for providing Jones matrix-based analysis to determine non-depolarizing polarization parameters using polarization-sensitive optical coherence tomography
WO2007044612A2 (en) * 2005-10-07 2007-04-19 Bioptigen, Inc. Imaging systems using unpolarized light and related methods and controllers
JP5149535B2 (ja) * 2007-04-27 2013-02-20 国立大学法人 筑波大学 偏光感受型光コヒーレンストモグラフィー装置、該装置の信号処理方法、及び該装置における表示方法
US9086264B2 (en) * 2007-06-06 2015-07-21 Oregon Health & Science University Polarization sensitive spectral domain OCT using an interference signal modulated at a constant frequency and a two-path reference arm with a single reference mirror
JP5173305B2 (ja) * 2007-07-30 2013-04-03 国立大学法人 筑波大学 測定信号のノイズ処理方法
US8208996B2 (en) * 2008-03-24 2012-06-26 Carl Zeiss Meditec, Inc. Imaging of polarization scrambling tissue
WO2009139133A1 (ja) * 2008-05-10 2009-11-19 株式会社フォトニックラティス 光学歪み計測装置
EP2243420A1 (en) 2009-04-24 2010-10-27 Schmidt-Erfurth, Ursula Method for determining exudates in the retina
US8285368B2 (en) * 2009-07-10 2012-10-09 The Regents Of The University Of California Endoscopic long range fourier domain optical coherence tomography (LR-FD-OCT)
JP5610884B2 (ja) * 2010-07-09 2014-10-22 キヤノン株式会社 光断層撮像装置及び光断層撮像方法
US8433393B2 (en) * 2011-07-07 2013-04-30 Carl Zeiss Meditec, Inc. Inter-frame complex OCT data analysis techniques

Also Published As

Publication number Publication date
KR20140130635A (ko) 2014-11-11
MY176726A (en) 2020-08-19
EP2799807B1 (en) 2020-11-04
RU2598052C2 (ru) 2016-09-20
US9279660B2 (en) 2016-03-08
RU2014117464A (ru) 2015-11-10
JP6294752B2 (ja) 2018-03-14
BR102014010438A2 (pt) 2015-10-13
CN104134199A (zh) 2014-11-05
US20140327917A1 (en) 2014-11-06
EP2799807A1 (en) 2014-11-05
JP2014232103A (ja) 2014-12-11
CN104134199B (zh) 2017-09-01
KR101704113B1 (ko) 2017-02-07
PH12014000129B1 (en) 2015-11-09
PH12014000129A1 (en) 2015-11-09

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