SG11201610442QA - Reducing speckle noise in optical coherence tomography images - Google Patents

Reducing speckle noise in optical coherence tomography images

Info

Publication number
SG11201610442QA
SG11201610442QA SG11201610442QA SG11201610442QA SG11201610442QA SG 11201610442Q A SG11201610442Q A SG 11201610442QA SG 11201610442Q A SG11201610442Q A SG 11201610442QA SG 11201610442Q A SG11201610442Q A SG 11201610442QA SG 11201610442Q A SG11201610442Q A SG 11201610442QA
Authority
SG
Singapore
Prior art keywords
optical coherence
coherence tomography
speckle noise
tomography images
reducing speckle
Prior art date
Application number
SG11201610442QA
Inventor
Jun Cheng
Jiang Liu
Lixin Duan
Yanwu Xu
Wing Kee Damon Wong
Masahiro Akiba
Original Assignee
Agency Science Tech & Res
Topcon Corp
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, Topcon Corp filed Critical Agency Science Tech & Res
Priority to SG11201610442QA priority Critical patent/SG11201610442QA/en
Publication of SG11201610442QA publication Critical patent/SG11201610442QA/en

Links

Classifications

    • 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
    • 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
    • G01B9/0209—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
    • G06T5/20—Image enhancement or restoration using local operators
    • 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
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • G06T7/0012—Biomedical image inspection
    • G06T7/0014—Biomedical image inspection using an image reference approach
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/30—Determination of transform parameters for the alignment of images, i.e. image registration
    • G06T7/32—Determination of transform parameters for the alignment of images, i.e. image registration using correlation-based methods
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/30—Determination of transform parameters for the alignment of images, i.e. image registration
    • G06T7/33—Determination of transform parameters for the alignment of images, i.e. image registration using feature-based methods
    • G06T7/337—Determination of transform parameters for the alignment of images, i.e. image registration using feature-based methods involving reference images or patches
    • 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
    • G06T2207/10016—Video; Image sequence
    • 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
    • G06T2207/20021—Dividing image into blocks, subimages or windows
    • 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
    • G06T2207/20024—Filtering details
    • 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
    • G06T2207/20221—Image fusion; Image merging
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Ophthalmology & Optometry (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Quality & Reliability (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Eye Examination Apparatus (AREA)
SG11201610442QA 2014-06-16 2015-06-16 Reducing speckle noise in optical coherence tomography images SG11201610442QA (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SG11201610442QA SG11201610442QA (en) 2014-06-16 2015-06-16 Reducing speckle noise in optical coherence tomography images

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SG10201403294R 2014-06-16
PCT/SG2015/050162 WO2015195048A1 (en) 2014-06-16 2015-06-16 Reducing speckle noise in optical coherence tomography images
SG11201610442QA SG11201610442QA (en) 2014-06-16 2015-06-16 Reducing speckle noise in optical coherence tomography images

Publications (1)

Publication Number Publication Date
SG11201610442QA true SG11201610442QA (en) 2017-01-27

Family

ID=54935883

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201610442QA SG11201610442QA (en) 2014-06-16 2015-06-16 Reducing speckle noise in optical coherence tomography images

Country Status (5)

Country Link
US (1) US10145669B2 (en)
EP (1) EP3154409B1 (en)
JP (1) JP6679505B2 (en)
SG (1) SG11201610442QA (en)
WO (1) WO2015195048A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6731919B2 (en) * 2014-11-20 2020-07-29 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 Speckle reduction in optical coherence tomography images
EP3599987A4 (en) 2017-03-23 2020-12-16 Doheny Eye Institute Systems, methods, and devices for optical coherence tomography multiple enface angiography averaging
CN107169412B (en) * 2017-04-09 2021-06-22 北方工业大学 Remote sensing image harbor-berthing ship detection method based on mixed model decision
CN107392946B (en) * 2017-07-18 2020-06-16 宁波永新光学股份有限公司 Microscopic multi-focus image sequence processing method for three-dimensional shape reconstruction
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
JP2019047839A (en) * 2017-09-07 2019-03-28 キヤノン株式会社 Image processing device, positioning method, and program
JP7102112B2 (en) * 2017-09-07 2022-07-19 キヤノン株式会社 Image processing equipment, image processing methods and programs
US10949987B2 (en) * 2019-05-31 2021-03-16 Mitsubishi Electric Research Laboratories, Inc. Robust image registration for multiple rigid transformed images
CN111743510B (en) * 2020-06-24 2023-09-19 中国科学院光电技术研究所 Human eye Hartmann facula image denoising method based on clustering

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004088462A (en) * 2002-08-27 2004-03-18 Canon Inc Image processing apparatus
TWI326187B (en) * 2006-02-22 2010-06-11 Huper Lab Co Ltd Method of multidirectional block matching computing
US8223143B2 (en) 2006-10-27 2012-07-17 Carl Zeiss Meditec, Inc. User interface for efficiently displaying relevant OCT imaging data
US7508334B2 (en) * 2007-03-22 2009-03-24 Harris Corporation Method and apparatus for processing SAR images based on an anisotropic diffusion filtering algorithm
EP2141506B1 (en) 2008-07-01 2019-04-03 The Regents of The University of California Identifying fiber tracts using magnetic resonance imaging (MRI)
US20140126839A1 (en) * 2012-11-08 2014-05-08 Sharp Laboratories Of America, Inc. Defect detection using joint alignment and defect extraction

Also Published As

Publication number Publication date
JP2017519569A (en) 2017-07-20
EP3154409A4 (en) 2017-12-06
US20170131082A1 (en) 2017-05-11
JP6679505B2 (en) 2020-04-15
US10145669B2 (en) 2018-12-04
WO2015195048A1 (en) 2015-12-23
EP3154409B1 (en) 2019-05-01
EP3154409A1 (en) 2017-04-19

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