IT201800007723A1 - Apparecchiatura di tomografia a coerenza ottica del tipo "fourier-domain" con rimozione di artefatti indesiderati attraverso elaborazione di immagine digitale - Google Patents

Apparecchiatura di tomografia a coerenza ottica del tipo "fourier-domain" con rimozione di artefatti indesiderati attraverso elaborazione di immagine digitale

Info

Publication number
IT201800007723A1
IT201800007723A1 IT102018000007723A IT201800007723A IT201800007723A1 IT 201800007723 A1 IT201800007723 A1 IT 201800007723A1 IT 102018000007723 A IT102018000007723 A IT 102018000007723A IT 201800007723 A IT201800007723 A IT 201800007723A IT 201800007723 A1 IT201800007723 A1 IT 201800007723A1
Authority
IT
Italy
Prior art keywords
fourier
domain
removal
image processing
type
Prior art date
Application number
IT102018000007723A
Other languages
English (en)
Inventor
Francesco Versaci
Gabriele Vestri
Stefano Faini
Lorenzo Rosellini
Original Assignee
Costr Strumenti Oftalmici Cso Srl
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 Costr Strumenti Oftalmici Cso Srl filed Critical Costr Strumenti Oftalmici Cso Srl
Priority to IT102018000007723A priority Critical patent/IT201800007723A1/it
Priority to ES19773180T priority patent/ES2930420T3/es
Priority to JP2020571685A priority patent/JP7401470B2/ja
Priority to PT197731805T priority patent/PT3829414T/pt
Priority to CA3104452A priority patent/CA3104452A1/en
Priority to US17/258,904 priority patent/US11877799B2/en
Priority to PCT/IB2019/056487 priority patent/WO2020026138A1/en
Priority to EP19773180.5A priority patent/EP3829414B1/en
Publication of IT201800007723A1 publication Critical patent/IT201800007723A1/it

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
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
    • A61B5/7207—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts
    • 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
    • G01B9/02041—Interferometers characterised by particular imaging or detection techniques
    • G01B9/02044—Imaging in the frequency domain, e.g. by using a spectrometer
    • 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
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
    • 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
    • G06T11/008—Specific post-processing after tomographic reconstruction, e.g. voxelisation, metal artifact correction
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G06T7/269—Analysis of motion using gradient-based methods
    • 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
    • G06T2210/00—Indexing scheme for image generation or computer graphics
    • G06T2210/41—Medical

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Theoretical Computer Science (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Surgery (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Signal Processing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Ophthalmology & Optometry (AREA)
  • Pathology (AREA)
  • Artificial Intelligence (AREA)
  • Psychiatry (AREA)
  • Physiology (AREA)
  • Multimedia (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Eye Examination Apparatus (AREA)
IT102018000007723A 2018-08-01 2018-08-01 Apparecchiatura di tomografia a coerenza ottica del tipo "fourier-domain" con rimozione di artefatti indesiderati attraverso elaborazione di immagine digitale IT201800007723A1 (it)

Priority Applications (8)

Application Number Priority Date Filing Date Title
IT102018000007723A IT201800007723A1 (it) 2018-08-01 2018-08-01 Apparecchiatura di tomografia a coerenza ottica del tipo "fourier-domain" con rimozione di artefatti indesiderati attraverso elaborazione di immagine digitale
ES19773180T ES2930420T3 (es) 2018-08-01 2019-07-30 Sistema de tomografía por coherencia óptica del tipo “dominio de Fourier” con eliminación de artefactos no deseados mediante procesamiento digital de la imagen
JP2020571685A JP7401470B2 (ja) 2018-08-01 2019-07-30 デジタル画像処理を通して望ましくないアーチファクトを除去する「フーリエドメイン」型の光干渉断層システム
PT197731805T PT3829414T (pt) 2018-08-01 2019-07-30 Sistema de tomografia de coerência ótica do tipo ''domínio de fourier'' com remoção de artefactos indesejados através de processamento de imagens digitais
CA3104452A CA3104452A1 (en) 2018-08-01 2019-07-30 Optical coherence tomography system of the "fourier-domain" type with removal of undesired artifacts through digital image processing
US17/258,904 US11877799B2 (en) 2018-08-01 2019-07-30 Optical coherence tomography system of the “Fourier-domain” type with removal of undesired artifacts through digital image processing
PCT/IB2019/056487 WO2020026138A1 (en) 2018-08-01 2019-07-30 Optical coherence tomography system of the "fourier-domain" type with removal of undesired artifacts through digital image processing
EP19773180.5A EP3829414B1 (en) 2018-08-01 2019-07-30 Optical coherence tomography system of the "fourier-domain" type with removal of undesired artifacts through digital image processing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102018000007723A IT201800007723A1 (it) 2018-08-01 2018-08-01 Apparecchiatura di tomografia a coerenza ottica del tipo "fourier-domain" con rimozione di artefatti indesiderati attraverso elaborazione di immagine digitale

Publications (1)

Publication Number Publication Date
IT201800007723A1 true IT201800007723A1 (it) 2020-02-01

Family

ID=64049549

Family Applications (1)

Application Number Title Priority Date Filing Date
IT102018000007723A IT201800007723A1 (it) 2018-08-01 2018-08-01 Apparecchiatura di tomografia a coerenza ottica del tipo "fourier-domain" con rimozione di artefatti indesiderati attraverso elaborazione di immagine digitale

Country Status (8)

Country Link
US (1) US11877799B2 (it)
EP (1) EP3829414B1 (it)
JP (1) JP7401470B2 (it)
CA (1) CA3104452A1 (it)
ES (1) ES2930420T3 (it)
IT (1) IT201800007723A1 (it)
PT (1) PT3829414T (it)
WO (1) WO2020026138A1 (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11176682B2 (en) * 2019-11-27 2021-11-16 Nvidia Corporation Enhanced optical flow estimation using a varied scan order
WO2024092060A1 (en) * 2022-10-25 2024-05-02 The Regents Of The University Of California Systems and methods for vision enhancement via virtual diffraction and coherent detection

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010117386A1 (en) * 2009-04-10 2010-10-14 Doheny Eye Institute Ophthalmic testing methods, devices and systems
US20130088721A1 (en) * 2011-10-11 2013-04-11 National Taiwan University Mirror image suppression method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7365856B2 (en) * 2005-01-21 2008-04-29 Carl Zeiss Meditec, Inc. Method of motion correction in optical coherence tomography imaging
EP3884844A1 (en) * 2008-07-18 2021-09-29 Doheny Eye Institute Optical coherence tomography-based ophthalmic testing methods, devices and systems
US20130010259A1 (en) * 2011-07-05 2013-01-10 Escalon Digital Vision, Inc. Region based vision tracking system for imaging of the eye for use in optical coherence tomography
US8564788B2 (en) 2011-07-26 2013-10-22 Kabushiki Kaisha Topcon Optical imaging method and optical imaging apparatus
US9250060B2 (en) * 2011-08-15 2016-02-02 The Johns Hopkins University Optical coherence tomography system having real-time artifact and saturation correction
US9095281B2 (en) 2012-02-10 2015-08-04 Carl Zeiss Meditec, Inc. Segmentation and enhanced visualization techniques for full-range fourier domain optical coherence tomography
ITFI20130067A1 (it) 2013-03-26 2014-09-27 Strumenti Oftalmici C S O S R L Costruzioni Procedimento e sistema di tomografia a coerenza ottica
JP7193343B2 (ja) 2016-02-19 2022-12-20 オプトビュー，インコーポレーテッド 機械学習技法を用いたｏｃｔアンギオグラフィにおけるアーチファクトを減少させるための方法及び装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010117386A1 (en) * 2009-04-10 2010-10-14 Doheny Eye Institute Ophthalmic testing methods, devices and systems
US20130088721A1 (en) * 2011-10-11 2013-04-11 National Taiwan University Mirror image suppression method

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
HOFER B ET AL: "Dispersion encoded full range frequency domain optical coherence tomography", OPTICS EXPRESS, OSA PUBLISHING, US, vol. 17, 5 January 2009 (2009-01-05), pages 7 - 24, XP002554360, ISSN: 1094-4087, DOI: 10.1364/OE.17.000007 *
YUANKAI K. TAO ET AL: "High-speed complex conjugate resolved retinal spectral domain optical coherence tomography using sinusoidal phase modulation", OPTICS LETTERS, vol. 32, no. 20, 15 October 2007 (2007-10-15), US, pages 2918, XP055572729, ISSN: 0146-9592, DOI: 10.1364/OL.32.002918 *

Also Published As

Publication number Publication date
US20210290052A1 (en) 2021-09-23
JP2021533333A (ja) 2021-12-02
CA3104452A1 (en) 2020-02-06
EP3829414B1 (en) 2022-08-17
JP7401470B2 (ja) 2023-12-19
ES2930420T3 (es) 2022-12-12
EP3829414A1 (en) 2021-06-09
PT3829414T (pt) 2022-11-21
US11877799B2 (en) 2024-01-23
WO2020026138A1 (en) 2020-02-06

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