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MX2012008895A - Busqueda de gradientes integrada con formacion de imagenes local en sistemas de cirugia laser. - Google Patents

Busqueda de gradientes integrada con formacion de imagenes local en sistemas de cirugia laser.

Info

Publication number
MX2012008895A
MX2012008895A MX2012008895A MX2012008895A MX2012008895A MX 2012008895 A MX2012008895 A MX 2012008895A MX 2012008895 A MX2012008895 A MX 2012008895A MX 2012008895 A MX2012008895 A MX 2012008895A MX 2012008895 A MX2012008895 A MX 2012008895A
Authority
MX
Mexico
Prior art keywords
location
gradient
coordinate
search
proximity
Prior art date
Application number
MX2012008895A
Other languages
English (en)
Inventor
Ferenc Raksi
Original Assignee
Alcon Lensx Inc
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 Alcon Lensx Inc filed Critical Alcon Lensx Inc
Publication of MX2012008895A publication Critical patent/MX2012008895A/es

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/102Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for optical coherence tomography [OCT]
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00Image analysis
    • G06T7/0002Inspection of images, e.g. flaw detection
    • G06T7/0012Biomedical image inspection
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00Arrangements for image or video recognition or understanding
    • G06V10/40Extraction of image or video features
    • G06V10/46Descriptors for shape, contour or point-related descriptors, e.g. scale invariant feature transform [SIFT] or bags of words [BoW]; Salient regional features
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/10Image acquisition modality
    • G06T2207/10072Tomographic images
    • G06T2207/10101Optical tomography; Optical coherence tomography [OCT]
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/30Subject of image; Context of image processing
    • G06T2207/30004Biomedical image processing
    • G06T2207/30041Eye; Retina; Ophthalmic
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00Arrangements for image or video recognition or understanding
    • G06V10/40Extraction of image or video features
    • G06V10/46Descriptors for shape, contour or point-related descriptors, e.g. scale invariant feature transform [SIFT] or bags of words [BoW]; Salient regional features
    • G06V10/469Contour-based spatial representations, e.g. vector-coding
    • G06V10/473Contour-based spatial representations, e.g. vector-coding using gradient analysis

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Multimedia (AREA)
  • Biomedical Technology (AREA)
  • Ophthalmology & Optometry (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Quality & Reliability (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Eye Examination Apparatus (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Laser Surgery Devices (AREA)
  • Image Processing (AREA)

Abstract

Se proveen técnicas y sistemas de búsqueda de gradiente con base en la captación o medición en ubicaciones seleccionadas de un objeto de destino sin llevar a cabo captación o medición de campo completo sobre todo el campo de un objeto de destino. Los métodos de búsqueda se proveen para incluir determinar una coordenada de un límite de una región en relación con un ciclo en una proximidad de una primera ubicación, determinando una dirección de un gradiente de la coordenada que corresponde a la primera ubicación y elegir una segunda ubicación con base en la dirección determinada. Un sistema de búsqueda puede implementarse para incluir un sistema de formación de imágenes para determinar una coordenada de una característica de un objeto en un bucle en una proximidad de una primera ubicación y un controlador, acoplado al sistema de formación de imágenes, para determinar una dirección de un gradiente de la coordenada que corresponde a la primera ubicación y elegir una segunda ubicación con base en la dirección determinada.
MX2012008895A 2010-02-05 2011-02-04 Busqueda de gradientes integrada con formacion de imagenes local en sistemas de cirugia laser. MX2012008895A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/701,409 US8265364B2 (en) 2010-02-05 2010-02-05 Gradient search integrated with local imaging in laser surgical systems
PCT/US2011/023710 WO2011097452A2 (en) 2010-02-05 2011-02-04 Gradient search integrated with local imaging in laser surgical systems

Publications (1)

Publication Number Publication Date
MX2012008895A true MX2012008895A (es) 2012-08-31

Family

ID=44353759

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2012008895A MX2012008895A (es) 2010-02-05 2011-02-04 Busqueda de gradientes integrada con formacion de imagenes local en sistemas de cirugia laser.

Country Status (12)

Country Link
US (1) US8265364B2 (es)
EP (1) EP2531091B1 (es)
JP (1) JP5859983B2 (es)
KR (1) KR101838106B1 (es)
CN (1) CN102821674B (es)
AU (1) AU2011212863A1 (es)
BR (1) BR112012019174A2 (es)
CA (1) CA2787474C (es)
ES (1) ES2608701T3 (es)
MX (1) MX2012008895A (es)
TW (1) TWI555501B (es)
WO (1) WO2011097452A2 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8398238B1 (en) * 2011-08-26 2013-03-19 Alcon Lensx, Inc. Imaging-based guidance system for ophthalmic docking using a location-orientation analysis
US11071449B2 (en) 2016-03-31 2021-07-27 Alcon Inc. Visualization system for ophthalmic surgery

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US8265364B2 (en) 2012-09-11
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EP2531091B1 (en) 2016-10-12
WO2011097452A2 (en) 2011-08-11
CA2787474C (en) 2018-10-23
BR112012019174A2 (pt) 2018-03-27
TW201206394A (en) 2012-02-16
KR101838106B1 (ko) 2018-03-13
CN102821674B (zh) 2015-06-17
JP2013518680A (ja) 2013-05-23
WO2011097452A3 (en) 2011-10-13
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TWI555501B (zh) 2016-11-01
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