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MX2021015343A - Metodo y sistema para determinar una caracteristica de refraccion de un ojo de un sujeto usando un dispositivo de obtencion de imagenes. - Google Patents

Metodo y sistema para determinar una caracteristica de refraccion de un ojo de un sujeto usando un dispositivo de obtencion de imagenes.

Info

Publication number
MX2021015343A
MX2021015343A MX2021015343A MX2021015343A MX2021015343A MX 2021015343 A MX2021015343 A MX 2021015343A MX 2021015343 A MX2021015343 A MX 2021015343A MX 2021015343 A MX2021015343 A MX 2021015343A MX 2021015343 A MX2021015343 A MX 2021015343A
Authority
MX
Mexico
Prior art keywords
eye
subject
determining
image
capture device
Prior art date
Application number
MX2021015343A
Other languages
English (en)
Inventor
Stéphane Boutinon
Original Assignee
Essilor Int
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 Essilor Int filed Critical Essilor Int
Publication of MX2021015343A publication Critical patent/MX2021015343A/es

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/18—Eye characteristics, e.g. of the iris
    • G06V40/193—Preprocessing; Feature extraction
    • 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
    • A61B3/103—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining refraction, e.g. refractometers, skiascopes
    • 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
    • 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
    • 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
    • A61B3/11—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring interpupillary distance or diameter of pupils
    • A61B3/112—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring interpupillary distance or diameter of pupils for measuring diameter of pupils
    • 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
    • A61B3/14—Arrangements specially adapted for eye photography
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/20—Analysing
    • G06F18/24—Classification techniques
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/60—Image enhancement or restoration using machine learning, e.g. neural networks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/73—Deblurring; Sharpening
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G06V10/44—Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components
    • G06V10/443—Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components by matching or filtering
    • G06V10/449—Biologically inspired filters, e.g. difference of Gaussians [DoG] or Gabor filters
    • G06V10/451—Biologically inspired filters, e.g. difference of Gaussians [DoG] or Gabor filters with interaction between the filter responses, e.g. cortical complex cells
    • G06V10/454—Integrating the filters into a hierarchical structure, e.g. convolutional neural networks [CNN]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
    • G06V10/82—Arrangements for image or video recognition or understanding using pattern recognition or machine learning using neural networks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/18—Eye characteristics, e.g. of the iris
    • G06V40/19—Sensors therefor
    • 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
    • G06T2207/20084—Artificial neural networks [ANN]
    • 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)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Multimedia (AREA)
  • Medical Informatics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Evolutionary Computation (AREA)
  • Molecular Biology (AREA)
  • Biomedical Technology (AREA)
  • Artificial Intelligence (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Human Computer Interaction (AREA)
  • Data Mining & Analysis (AREA)
  • Computing Systems (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Bioinformatics & Computational Biology (AREA)
  • Evolutionary Biology (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Eye Examination Apparatus (AREA)

Abstract

La invención se refiere a un método para determinar una característica de refracción de un ojo (13) de un sujeto (12) usando un dispositivo de obtención de imágenes (2); el método comprende las etapas siguientes: - adquirir al menos una imagen de la retina del ojo (13) del sujeto (12), y - determinar dicha característica de refracción basándose en un nivel de desenfoque de dicha imagen adquirida de la retina.
MX2021015343A 2019-06-13 2020-06-11 Metodo y sistema para determinar una caracteristica de refraccion de un ojo de un sujeto usando un dispositivo de obtencion de imagenes. MX2021015343A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP19305754 2019-06-13
PCT/EP2020/066211 WO2020249679A1 (en) 2019-06-13 2020-06-11 Method and system for determining a refraction feature of an eye of a subject using an image-capture device

Publications (1)

Publication Number Publication Date
MX2021015343A true MX2021015343A (es) 2022-01-24

Family

ID=67003404

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2021015343A MX2021015343A (es) 2019-06-13 2020-06-11 Metodo y sistema para determinar una caracteristica de refraccion de un ojo de un sujeto usando un dispositivo de obtencion de imagenes.

Country Status (8)

Country Link
US (1) US20220301294A1 (es)
EP (1) EP3983933A1 (es)
JP (1) JP2022536762A (es)
KR (1) KR20220018973A (es)
CN (1) CN113939221A (es)
BR (1) BR112021024872A2 (es)
MX (1) MX2021015343A (es)
WO (1) WO2020249679A1 (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD1026316S1 (en) * 2020-04-22 2024-05-07 Dongguan Kangroad Electrical Technology Co., Ltd. Mini hair straightener
EP4046566A1 (en) 2021-02-17 2022-08-24 Carl Zeiss Vision International GmbH Apparatus and method for determining the refractive error of an eye
US12118825B2 (en) * 2021-05-03 2024-10-15 NeuraLight Ltd. Obtaining high-resolution oculometric parameters
US12217424B2 (en) 2021-05-03 2025-02-04 NeuraLight Ltd. Determining digital markers indicative of a neurological condition using eye movement parameters
US12217421B2 (en) 2023-01-05 2025-02-04 NeuraLight Ltd. Point of gaze tracking with integrated calibration process
WO2024147106A1 (en) 2023-01-05 2024-07-11 NeuraLight Ltd. Estimating a delay from a monitor output to a sensor
JP7455445B1 (ja) 2023-09-13 2024-03-26 ＩｎｎｏＪｉｎ株式会社 情報処理システム、情報処理方法及びプログラム

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002030273A1 (en) * 2000-10-10 2002-04-18 University Of Rochester Determination of ocular refraction from wavefront aberration data
EP1648289B1 (en) * 2003-06-20 2013-06-12 AMO Manufacturing USA, LLC Systems and methods for prediction of objective visual acuity based on wavefront measurements
US7261412B2 (en) * 2005-06-30 2007-08-28 Visx, Incorporated Presbyopia correction through negative high-order spherical aberration
DE102005054691A1 (de) * 2005-11-16 2007-05-24 Bausch & Lomb Inc. Verfahren und Vorrichtung zur Bestimmung der Sehschärfe eines Auges

Also Published As

Publication number Publication date
JP2022536762A (ja) 2022-08-18
CN113939221A (zh) 2022-01-14
KR20220018973A (ko) 2022-02-15
WO2020249679A1 (en) 2020-12-17
US20220301294A1 (en) 2022-09-22
BR112021024872A2 (pt) 2022-04-12
EP3983933A1 (en) 2022-04-20

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