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
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

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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)
  • Medical Informatics (AREA)
  • Veterinary Medicine (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Signal Processing (AREA)
  • Ophthalmology & Optometry (AREA)
  • Biophysics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Eye Examination Apparatus (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)

Abstract

A method for processing polarization data includes steps of acquiring a plurality of sets of polarization data items, converting the set of polarization data items into a representation including parameters of amplitude and phase, and averaging the converted set of polarization data items.(Fig. 8)
IN2163CH2014 2013-05-01 2014-04-29 IN2014CH02163A (en)

Applications Claiming Priority (1)

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

Publications (1)

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

Family

ID=50677989

Family Applications (1)

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

Country Status (10)

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

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 (en) 2012-01-27 2017-11-08 キヤノン株式会社 Image processing system, processing method, and program
JP6598466B2 (en) * 2015-01-30 2019-10-30 キヤノン株式会社 Tomographic imaging apparatus, tomographic imaging method, and program
EP3254084B1 (en) * 2015-02-02 2019-01-09 Novartis Ag Optical instrument for biomechanical diagnosis of eye disease
JP6962968B2 (en) * 2015-02-02 2021-11-05 アルコン インコーポレイティド Optical equipment for biomechanical diagnosis of eye diseases
CN105261051B (en) 2015-09-25 2018-10-02 沈阳东软医疗系统有限公司 A kind of method and device obtaining image mask
JP6694896B2 (en) * 2015-12-15 2020-05-20 株式会社堀場製作所 Spectrometer, optical inspection device, and OCT device
CN106419828B (en) * 2016-09-19 2017-10-20 苏州轩睿医疗科技有限公司 A kind of method of quick raising ophthalmic optical coherence tomography device resolution ratio
CN106264473A (en) * 2016-10-11 2017-01-04 湖北器长光电股份有限公司 A kind of LCD modulation skin detection imaging system and formation method
US10856735B2 (en) * 2016-11-30 2020-12-08 University Of Southern California Optical coherence tomography (OCT) system with improved image quality
CN107966412B (en) * 2017-12-05 2020-04-10 天津大学 Image defogging method based on orthogonal polarization image stretching and polarization degree correlation
EP3572765A1 (en) * 2018-05-23 2019-11-27 Haag-Streit Ag Oct system and oct method
TWI728818B (en) * 2020-05-22 2021-05-21 貞安有限公司 Home monitoring system and method for fundus image in a schedule
CN114909987B (en) * 2022-05-09 2024-02-02 东南大学 Method for inhibiting overall jitter of sample by B-scan segmentation method

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2184347C2 (en) * 2000-08-09 2002-06-27 Мазуренко Юрий Тарасович Process generating images of internal structure of objects
US7612880B2 (en) * 2003-08-06 2009-11-03 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
EP1819270B1 (en) * 2004-10-29 2012-12-19 The General Hospital Corporation 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 (en) * 2007-04-27 2013-02-20 国立大学法人 筑波大学 Polarization-sensitive optical coherence tomography apparatus, signal processing method for the apparatus, and display method for the apparatus
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 (en) * 2007-07-30 2013-04-03 国立大学法人 筑波大学 Measurement signal noise processing method
US8208996B2 (en) * 2008-03-24 2012-06-26 Carl Zeiss Meditec, Inc. Imaging of polarization scrambling tissue
JP5254323B2 (en) * 2008-05-10 2013-08-07 株式会社フォトニックラティス Optical strain measurement device
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 (en) * 2010-07-09 2014-10-22 キヤノン株式会社 Optical tomographic imaging apparatus and optical tomographic imaging method
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
RU2598052C2 (en) 2016-09-20
EP2799807A1 (en) 2014-11-05
BR102014010438A2 (en) 2015-10-13
JP6294752B2 (en) 2018-03-14
US20140327917A1 (en) 2014-11-06
US9279660B2 (en) 2016-03-08
CN104134199A (en) 2014-11-05
MY176726A (en) 2020-08-19
KR101704113B1 (en) 2017-02-07
JP2014232103A (en) 2014-12-11
RU2014117464A (en) 2015-11-10
EP2799807B1 (en) 2020-11-04
PH12014000129B1 (en) 2015-11-09
KR20140130635A (en) 2014-11-11
CN104134199B (en) 2017-09-01
PH12014000129A1 (en) 2015-11-09

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