WO2015015289A3 - Focal scanning for generating focused color images - Google Patents

Focal scanning for generating focused color images Download PDF

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Publication number
WO2015015289A3
WO2015015289A3 PCT/IB2014/001456 IB2014001456W WO2015015289A3 WO 2015015289 A3 WO2015015289 A3 WO 2015015289A3 IB 2014001456 W IB2014001456 W IB 2014001456W WO 2015015289 A3 WO2015015289 A3 WO 2015015289A3
Authority
WO
WIPO (PCT)
Prior art keywords
color images
scanning
focused color
generating focused
focal scanning
Prior art date
Application number
PCT/IB2014/001456
Other languages
French (fr)
Other versions
WO2015015289A2 (en
Inventor
Yosi MOALEM
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.
Priority to CA2918699A priority Critical patent/CA2918699C/en
Priority to EP14783900.5A priority patent/EP3028003B1/en
Priority to KR1020167004908A priority patent/KR101799708B1/en
Priority to CN201480043078.XA priority patent/CN105556240B/en
Priority to AU2014298116A priority patent/AU2014298116B2/en
Priority to JP2016530629A priority patent/JP6306703B2/en
Priority to EP19164252.9A priority patent/EP3517890B1/en
Publication of WO2015015289A2 publication Critical patent/WO2015015289A2/en
Publication of WO2015015289A3 publication Critical patent/WO2015015289A3/en
Priority to IL243628A priority patent/IL243628B/en
Priority to HK16110196.3A priority patent/HK1224008A1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0062—Arrangements for scanning
    • A61B5/0068—Confocal scanning
    • 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
    • A61B1/06—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 with illuminating arrangements
    • A61B1/0655—Control therefor
    • 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
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0082—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
    • A61B5/0088—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for oral or dental tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
    • A61B5/1077—Measuring of profiles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
    • A61B5/1079—Measuring physical dimensions, e.g. size of the entire body or parts thereof using optical or photographic means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/08—Machine parts specially adapted for dentistry
    • A61C1/088—Illuminating devices or attachments
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/67—Focus control based on electronic image sensor signals
    • H04N23/673—Focus control based on electronic image sensor signals based on contrast or high frequency components of image signals, e.g. hill climbing method
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/10—Circuitry of solid-state image sensors [SSIS]; Control thereof for transforming different wavelengths into image signals
    • H04N25/11—Arrangement of colour filter arrays [CFA]; Filter mosaics
    • H04N25/13—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements
    • H04N25/134—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements based on three different wavelength filter elements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B2210/00—Aspects not specifically covered by any group under G01B, e.g. of wheel alignment, caliper-like sensors
    • G01B2210/50—Using chromatic effects to achieve wavelength-dependent depth resolution

Abstract

Generating in-focus color images by scanning the focal length and acquiring multiple color images with different focal planes. The in- focus image generated from these multiple images is suitable to be combined with a scanning confocal three dimensional measurement performed by the same system. Teh system can be used for intra-oral scanning.
PCT/IB2014/001456 2013-08-01 2014-07-30 Methods and systems for generating color images WO2015015289A2 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
CA2918699A CA2918699C (en) 2013-08-01 2014-07-30 Methods and systems for generating color images
EP14783900.5A EP3028003B1 (en) 2013-08-01 2014-07-30 Methods and systems for generating color images
KR1020167004908A KR101799708B1 (en) 2013-08-01 2014-07-30 Focal scanning for generating focused color images
CN201480043078.XA CN105556240B (en) 2013-08-01 2014-07-30 Focal length for generating focusing color image scans
AU2014298116A AU2014298116B2 (en) 2013-08-01 2014-07-30 Focal scanning for generating focused color images
JP2016530629A JP6306703B2 (en) 2013-08-01 2014-07-30 Method and system for generating color images
EP19164252.9A EP3517890B1 (en) 2013-08-01 2014-07-30 Methods and systems for generating color images
IL243628A IL243628B (en) 2013-08-01 2016-01-17 Focal scanning for generating focused color images
HK16110196.3A HK1224008A1 (en) 2013-08-01 2016-08-26 Methods and systems for generating color images

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/957,326 US9393087B2 (en) 2013-08-01 2013-08-01 Methods and systems for generating color images
US13/957,326 2013-08-01

Publications (2)

Publication Number Publication Date
WO2015015289A2 WO2015015289A2 (en) 2015-02-05
WO2015015289A3 true WO2015015289A3 (en) 2015-04-30

Family

ID=51691086

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2014/001456 WO2015015289A2 (en) 2013-08-01 2014-07-30 Methods and systems for generating color images

Country Status (10)

Country Link
US (6) US9393087B2 (en)
EP (2) EP3028003B1 (en)
JP (1) JP6306703B2 (en)
KR (1) KR101799708B1 (en)
CN (1) CN105556240B (en)
AU (1) AU2014298116B2 (en)
CA (1) CA2918699C (en)
HK (1) HK1224008A1 (en)
IL (1) IL243628B (en)
WO (1) WO2015015289A2 (en)

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