WO2014080260A3 - Confocal imaging using astigmatism - Google Patents

Confocal imaging using astigmatism Download PDF

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Publication number
WO2014080260A3
WO2014080260A3 PCT/IB2013/002566 IB2013002566W WO2014080260A3 WO 2014080260 A3 WO2014080260 A3 WO 2014080260A3 IB 2013002566 W IB2013002566 W IB 2013002566W WO 2014080260 A3 WO2014080260 A3 WO 2014080260A3
Authority
WO
WIPO (PCT)
Prior art keywords
confocal imaging
image
imaging device
determining
astigmatism
Prior art date
Application number
PCT/IB2013/002566
Other languages
French (fr)
Other versions
WO2014080260A2 (en
Inventor
Erez LAMPERT
Isaia Glaser-Inbari
Original Assignee
Align Technology, 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 Align Technology, Inc. filed Critical Align Technology, Inc.
Publication of WO2014080260A2 publication Critical patent/WO2014080260A2/en
Publication of WO2014080260A3 publication Critical patent/WO2014080260A3/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/24—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressors; Instruments for opening or keeping open the mouth
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C9/00—Impression cups, i.e. impression trays; Impression methods
    • A61C9/004—Means or methods for taking digitized impressions
    • A61C9/0046—Data acquisition means or methods
    • A61C9/0053—Optical means or methods, e.g. scanning the teeth by a laser or light beam
    • A61C9/0066—Depth determination through adaptive focusing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object

Abstract

The present disclosure provides computing device implemented methods, apparatuses, and computing device readable media for confocal imaging using astigmatism. Confocal imaging can include receiving an image of a portion of an object captured by a confocal imaging device having a particular astigmatic character, determining an image pattern associated with the image, and determining a distance between a focus plane of the confocal imaging device and the portion of the object based, at least in part, on information regarding the image pattern. Confocal imaging can also include receiving data representing an image pattern associated with an image of an object (112)captured by a confocal imaging device (100) having a particular astigmatic character and having an image sensor (122) with a plurality of pixels, and determining a positional relationship between the object and a focus plane of the confocal imaging device based on a distribution of the diffraction pattern over a portion of the plurality of pixels.
PCT/IB2013/002566 2012-11-21 2013-11-14 Confocal imaging using astigmatism WO2014080260A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/684,096 US9717402B2 (en) 2012-11-21 2012-11-21 Confocal imaging using astigmatism
US13/684,096 2012-11-21

Publications (2)

Publication Number Publication Date
WO2014080260A2 WO2014080260A2 (en) 2014-05-30
WO2014080260A3 true WO2014080260A3 (en) 2014-07-24

Family

ID=50030337

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2013/002566 WO2014080260A2 (en) 2012-11-21 2013-11-14 Confocal imaging using astigmatism

Country Status (2)

Country Link
US (3) US9717402B2 (en)
WO (1) WO2014080260A2 (en)

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US8108189B2 (en) 2008-03-25 2012-01-31 Align Technologies, Inc. Reconstruction of non-visible part of tooth
US9192305B2 (en) 2012-09-28 2015-11-24 Align Technology, Inc. Estimating a surface texture of a tooth
US8948482B2 (en) 2012-11-01 2015-02-03 Align Technology, Inc. Motion compensation in a three dimensional scan
US9668829B2 (en) 2012-12-19 2017-06-06 Align Technology, Inc. Methods and systems for dental procedures
US9393087B2 (en) 2013-08-01 2016-07-19 Align Technology, Inc. Methods and systems for generating color images
US10111581B2 (en) 2014-02-27 2018-10-30 Align Technology, Inc. Thermal defogging system and method
US9439568B2 (en) 2014-07-03 2016-09-13 Align Technology, Inc. Apparatus and method for measuring surface topography optically
US9261358B2 (en) 2014-07-03 2016-02-16 Align Technology, Inc. Chromatic confocal system
US10772506B2 (en) 2014-07-07 2020-09-15 Align Technology, Inc. Apparatus for dental confocal imaging
US9675430B2 (en) 2014-08-15 2017-06-13 Align Technology, Inc. Confocal imaging apparatus with curved focal surface
US9724177B2 (en) 2014-08-19 2017-08-08 Align Technology, Inc. Viewfinder with real-time tracking for intraoral scanning
US9660418B2 (en) 2014-08-27 2017-05-23 Align Technology, Inc. VCSEL based low coherence emitter for confocal 3D scanner
US10108269B2 (en) 2015-03-06 2018-10-23 Align Technology, Inc. Intraoral scanner with touch sensitive input
US9451873B1 (en) 2015-03-06 2016-09-27 Align Technology, Inc. Automatic selection and locking of intraoral images
US9844426B2 (en) 2015-03-12 2017-12-19 Align Technology, Inc. Digital dental tray
US10136972B2 (en) 2016-06-30 2018-11-27 Align Technology, Inc. Historical scan reference for intraoral scans
US10507087B2 (en) 2016-07-27 2019-12-17 Align Technology, Inc. Methods and apparatuses for forming a three-dimensional volumetric model of a subject's teeth
US10695150B2 (en) 2016-12-16 2020-06-30 Align Technology, Inc. Augmented reality enhancements for intraoral scanning
US10456043B2 (en) 2017-01-12 2019-10-29 Align Technology, Inc. Compact confocal dental scanning apparatus
US10517482B2 (en) 2017-07-27 2019-12-31 Align Technology, Inc. Optical coherence tomography for orthodontic aligners
JP7097168B2 (en) * 2017-10-17 2022-07-07 株式会社キーエンス Magnifying observation device
US10980613B2 (en) 2017-12-29 2021-04-20 Align Technology, Inc. Augmented reality enhancements for dental practitioners
CA3086553A1 (en) 2018-01-26 2019-08-01 Align Technology, Inc. Diagnostic intraoral scanning and tracking
WO2019147868A1 (en) 2018-01-26 2019-08-01 Align Technology, Inc. Visual prosthetic and orthodontic treatment planning
US10753734B2 (en) 2018-06-08 2020-08-25 Dentsply Sirona Inc. Device, method and system for generating dynamic projection patterns in a confocal camera
US11896461B2 (en) 2018-06-22 2024-02-13 Align Technology, Inc. Intraoral 3D scanner employing multiple miniature cameras and multiple miniature pattern projectors
US11744681B2 (en) 2019-03-08 2023-09-05 Align Technology, Inc. Foreign object identification and image augmentation for intraoral scanning
US11523097B2 (en) * 2019-03-22 2022-12-06 Universita' Degli Studi Di Bari Aldo Moro Process and apparatus for the capture of plenoptic images between arbitrary planes
CN113677262A (en) 2019-04-05 2021-11-19 阿莱恩技术有限公司 Authentication and identification of intraoral scanner sleeves
US11455727B2 (en) 2019-05-02 2022-09-27 Align Technology, Inc. Method and apparatus for excessive materials removal from intraoral scans
US10849723B1 (en) 2019-05-07 2020-12-01 Sdc U.S. Smilepay Spv Scanning device
US11563929B2 (en) 2019-06-24 2023-01-24 Align Technology, Inc. Intraoral 3D scanner employing multiple miniature cameras and multiple miniature pattern projectors
EP3979901A1 (en) 2019-07-29 2022-04-13 Align Technology, Inc. Full-scanner barrier for an intra-oral device
WO2021050774A1 (en) 2019-09-10 2021-03-18 Align Technology, Inc. Dental panoramic views
US11937996B2 (en) 2019-11-05 2024-03-26 Align Technology, Inc. Face capture and intraoral scanner and methods of use
US11806210B2 (en) 2020-10-12 2023-11-07 Align Technology, Inc. Method for sub-gingival intraoral scanning

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Also Published As

Publication number Publication date
US9717402B2 (en) 2017-08-01
WO2014080260A2 (en) 2014-05-30
US20190046026A1 (en) 2019-02-14
US20170311791A1 (en) 2017-11-02
US10426328B2 (en) 2019-10-01
US20140139634A1 (en) 2014-05-22
US10485415B2 (en) 2019-11-26

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