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
Other languages
English (en)
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 (fr) 2014-11-20 2015-11-19 Réduction de tavelures dans des images obtenues par tomographie en cohérence optique

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 (fr)
EP (1) EP3221842B1 (fr)
JP (1) JP6731919B2 (fr)
SG (1) SG11201704162TA (fr)
WO (1) WO2016080914A1 (fr)

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WO2018119077A1 (fr) 2016-12-21 2018-06-28 Acucela Inc. Système de tomographie par cohérence optique à faible coût, mobile et miniaturisé pour applications ophtalmiques à domicile
US10578722B2 (en) * 2017-03-27 2020-03-03 Honeywell International Inc. System and method for glare suppression and ranging
JP7027076B2 (ja) * 2017-09-07 2022-03-01 キヤノン株式会社 画像処理装置、位置合わせ方法及びプログラム
JP2019047841A (ja) 2017-09-07 2019-03-28 キヤノン株式会社 画像処理装置、画像処理方法及びプログラム
RU2679947C1 (ru) * 2017-12-13 2019-02-14 Федеральное государственное бюджетное образовательное учреждение высшего образования "Тамбовский государственный технический университет" (ФГБОУ ВО "ТГТУ") Способ получения структурных изображений в эндоскопической оптической когерентной томографии
CA3103899A1 (fr) 2018-06-20 2019-12-26 Acucela Inc. Systeme de tomographie par coherence optique a faible cout et mobile miniaturise pour applications ophtalmiques a domicile
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 (fr) 2019-12-26 2021-07-01 Acucela Inc. Système d'alignement de patient par tomographie par cohérence optique pour applications ophtalmiques à domicile
CN112288640B (zh) * 2020-07-21 2022-08-30 中国地质大学（武汉） 一种抑制sar图像相干斑噪声的方法、***和终端设备
US10959613B1 (en) 2020-08-04 2021-03-30 Acucela Inc. Scan pattern and signal processing for optical coherence tomography
JP2023538542A (ja) 2020-08-14 2023-09-08 アキュセラ インコーポレイテッド 光干渉断層撮影ａ走査のデカービングのためのシステムおよび方法
US11393094B2 (en) 2020-09-11 2022-07-19 Acucela Inc. Artificial intelligence for evaluation of optical coherence tomography images
EP4221565A1 (fr) 2020-09-30 2023-08-09 Acucela Inc. Dispositif de prédiction, de diagnostic, de planification et de surveillance de la myopie
WO2022204622A1 (fr) 2021-03-24 2022-09-29 Acucela Inc. Dispositif de surveillance de mesure de longueur axiale

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003011764A2 (fr) 2001-08-03 2003-02-13 Volker Westphal Systeme et procede d'imagerie en temps reel
US7347548B2 (en) * 2003-05-01 2008-03-25 The Cleveland Clinic Foundation Method and apparatus for measuring a retinal sublayer characteristic
JP5543171B2 (ja) * 2009-10-27 2014-07-09 株式会社トプコン 光画像計測装置
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 (fr) * 2012-02-03 2013-08-08 Oregon Health & Science University Imagerie de flux optique in vivo
US20140126839A1 (en) * 2012-11-08 2014-05-08 Sharp Laboratories Of America, Inc. Defect detection using joint alignment and defect extraction
KR102025756B1 (ko) * 2013-01-04 2019-09-27 삼성전자주식회사 영상에서 스펙클을 제거하는 방법, 장치 및 시스템.
JP6679505B2 (ja) * 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 光干渉断層撮影画像内のスペックルノイズの低減

Also Published As

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

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