SG11201704162TA - Speckle reduction in optical coherence tomography images - Google Patents

Speckle reduction in optical coherence tomography images

Info

Publication number
SG11201704162TA
SG11201704162TA SG11201704162TA SG11201704162TA SG11201704162TA SG 11201704162T A SG11201704162T A SG 11201704162TA SG 11201704162T A SG11201704162T A SG 11201704162TA SG 11201704162T A SG11201704162T A SG 11201704162TA SG 11201704162T A SG11201704162T A SG 11201704162TA
Authority
SG
Singapore
Prior art keywords
optical coherence
coherence tomography
speckle reduction
tomography images
images
Prior art date
Application number
SG11201704162TA
Inventor
Jun Cheng
Jiang Liu
Wing Kee Damon Wong
Masahiro Akiba
Original Assignee
Agency Science Tech & Res
Kk Topcon
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 Agency Science Tech & Res, Kk Topcon filed Critical Agency Science Tech & Res
Publication of SG11201704162TA publication Critical patent/SG11201704162TA/en

Links

Classifications

    • 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
    • A61B3/0016—Operational features thereof
    • A61B3/0025—Operational features thereof characterised by electronic signal processing, e.g. eye models
    • 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
    • G01B9/02075—Reduction or prevention of errors; Testing; Calibration of particular errors
    • G01B9/02082—Caused by speckles
    • 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
    • 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
    • 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
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • 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]

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Theoretical Computer Science (AREA)
  • Medical Informatics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Ophthalmology & Optometry (AREA)
  • Biophysics (AREA)
  • Signal Processing (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Image Processing (AREA)
SG11201704162TA 2014-11-20 2015-11-19 Speckle reduction in optical coherence tomography images SG11201704162TA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SG10201407886S 2014-11-20
PCT/SG2015/050460 WO2016080914A1 (en) 2014-11-20 2015-11-19 Speckle reduction in optical coherence tomography images

Publications (1)

Publication Number Publication Date
SG11201704162TA true SG11201704162TA (en) 2017-06-29

Family

ID=56014302

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201704162TA SG11201704162TA (en) 2014-11-20 2015-11-19 Speckle reduction in optical coherence tomography images

Country Status (5)

Country Link
US (1) US10478058B2 (en)
EP (1) EP3221842B1 (en)
JP (1) JP6731919B2 (en)
SG (1) SG11201704162TA (en)
WO (1) WO2016080914A1 (en)

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WO2018119077A1 (en) 2016-12-21 2018-06-28 Acucela Inc. Miniaturized mobile, low cost optical coherence tomography system for home based ophthalmic applications
US10578722B2 (en) * 2017-03-27 2020-03-03 Honeywell International Inc. System and method for glare suppression and ranging
JP7027076B2 (en) * 2017-09-07 2022-03-01 キヤノン株式会社 Image processing equipment, alignment method and program
JP2019047841A (en) 2017-09-07 2019-03-28 キヤノン株式会社 Image processing device, image processing method, and program
RU2679947C1 (en) * 2017-12-13 2019-02-14 Федеральное государственное бюджетное образовательное учреждение высшего образования "Тамбовский государственный технический университет" (ФГБОУ ВО "ТГТУ") Method for obtaining structural images in endoscopic optical coherent tomography
CA3103899A1 (en) 2018-06-20 2019-12-26 Acucela Inc. Miniaturized mobile, low cost optical coherence tomography system for home based ophthalmic applications
US11257190B2 (en) * 2019-03-01 2022-02-22 Topcon Corporation Image quality improvement methods for optical coherence tomography
US11024013B2 (en) 2019-03-08 2021-06-01 International Business Machines Corporation Neural network based enhancement of intensity images
WO2021134087A1 (en) 2019-12-26 2021-07-01 Acucela Inc. Optical coherence tomography patient alignment system for home based ophthalmic applications
CN112288640B (en) * 2020-07-21 2022-08-30 中国地质大学（武汉） Method, system and terminal equipment for inhibiting speckle noise of SAR image
US10959613B1 (en) 2020-08-04 2021-03-30 Acucela Inc. Scan pattern and signal processing for optical coherence tomography
JP2023538542A (en) 2020-08-14 2023-09-08 アキュセラ インコーポレイテッド Systems and methods for optical coherence tomography A-scan decarving
US11393094B2 (en) 2020-09-11 2022-07-19 Acucela Inc. Artificial intelligence for evaluation of optical coherence tomography images
EP4221565A1 (en) 2020-09-30 2023-08-09 Acucela Inc. Myopia prediction, diagnosis, planning, and monitoring device
WO2022204622A1 (en) 2021-03-24 2022-09-29 Acucela Inc. Axial length measurement monitor

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003011764A2 (en) 2001-08-03 2003-02-13 Volker Westphal Real-time imaging system and method
US7347548B2 (en) * 2003-05-01 2008-03-25 The Cleveland Clinic Foundation Method and apparatus for measuring a retinal sublayer characteristic
JP5543171B2 (en) * 2009-10-27 2014-07-09 株式会社トプコン Optical image measuring device
US8699773B2 (en) * 2010-10-21 2014-04-15 Beth Israel Deaconess Medical Center Method for image reconstruction using low-dimensional-structure self-learning and thresholding
US8989465B2 (en) * 2012-01-17 2015-03-24 Mayo Foundation For Medical Education And Research System and method for medical image reconstruction and image series denoising using local low rank promotion
WO2013116689A1 (en) * 2012-02-03 2013-08-08 Oregon Health & Science University In vivo optical flow imaging
US20140126839A1 (en) * 2012-11-08 2014-05-08 Sharp Laboratories Of America, Inc. Defect detection using joint alignment and defect extraction
KR102025756B1 (en) * 2013-01-04 2019-09-27 삼성전자주식회사 Method, Apparatus and system for reducing speckles on image
JP6679505B2 (en) * 2014-06-16 2020-04-15 エージェンシー フォー サイエンス，テクノロジー アンド リサーチ Reduction of speckle noise in optical coherence tomography images

Also Published As

Publication number Publication date
EP3221842A1 (en) 2017-09-27
US10478058B2 (en) 2019-11-19
WO2016080914A1 (en) 2016-05-26
JP2017536547A (en) 2017-12-07
JP6731919B2 (en) 2020-07-29
EP3221842B1 (en) 2021-01-06
EP3221842A4 (en) 2018-05-09
US20170319059A1 (en) 2017-11-09

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