JP5564477B2 - 三次元撮像のためのデータ取得方法 - Google Patents
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- 238000000034 method Methods 0.000 title claims description 49
- 238000003384 imaging method Methods 0.000 title description 17
- 238000005259 measurement Methods 0.000 claims description 87
- 210000002455 dental arch Anatomy 0.000 claims description 53
- 210000000214 mouth Anatomy 0.000 claims description 5
- 238000013519 translation Methods 0.000 claims description 4
- 230000000007 visual effect Effects 0.000 description 7
- 230000001427 coherent effect Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
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- 238000005286 illumination Methods 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 1
- 238000010226 confocal imaging Methods 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 210000004268 dentin Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000005305 interferometry Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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- 230000009897 systematic effect Effects 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
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- 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
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- 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
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- 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
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- 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
- A61C9/006—Optical means or methods, e.g. scanning the teeth by a laser or light beam projecting one or more stripes or patterns on the teeth
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- 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
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- 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
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- 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
- G01B11/2518—Projection by scanning of the object
- G01B11/2527—Projection by scanning of the object with phase change by in-plane movement of the patern
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B35/00—Stereoscopic photography
- G03B35/08—Stereoscopic photography by simultaneous recording
- G03B35/10—Stereoscopic photography by simultaneous recording having single camera with stereoscopic-base-defining system
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B37/00—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe
- G03B37/02—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe with scanning movement of lens or cameras
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/20—Image signal generators
- H04N13/204—Image signal generators using stereoscopic image cameras
- H04N13/207—Image signal generators using stereoscopic image cameras using a single 2D image sensor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/20—Image signal generators
- H04N13/296—Synchronisation thereof; Control thereof
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- Oral & Maxillofacial Surgery (AREA)
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Description
Claims (15)
- 歯列弓の三次元(3D)表面データを取得する方法であって、
3D計測デバイスによって生成される構成された光パターンが開始点において歯列弓の咬合面の一部を照射するよう前記3D計測デバイスを位置づけ、前記咬合面の照射された部分から3Dデータを得ることと、
前記3D計測デバイスを並進させ、前記構成された光パターンが前記歯列弓の前記咬合面の残りを照射し、前記咬合面の残りから取得される3Dデータが前記開始点における該咬合面の前記一部についての3Dデータに登録され、前記一部および前記咬合面の残りについての3Dデータが前記歯列弓のバックボーン3Dデータ・セットを規定するようにすることと、
前記3D計測デバイスを位置づけて、前記構成された光パターンが前記歯列弓の咬合面の選ばれた部分を照射するようにし、前記選ばれた部分に対応する、前記バックボーン3Dデータ・セットの部分と重なる3Dデータを取得するようにすることと、
前記バックボーン3Dデータ・セットの前記対応する部分に重なる前記3Dデータを前記バックボーン3Dデータ・セットに接合することと、
前記3D計測デバイスを前記咬合面の前記選ばれた部分から回転し、前記構成された光パターンが、前記咬合面の前記選ばれた部分に対応する、前記歯列弓のほお側の面の一部または舌側の面の一部に入射するようにし、前記バックボーン3Dデータ・セットに登録される、前記ほお側または舌側の面の前記一部についての3Dデータを取得することと、
を含む前記方法。 - 前記3D計測デバイスの角方位は該3D計測デバイスの並進中変更されない、請求項1に記載の方法。
- 取得された3Dデータをディスプレイ表示することを含む、請求項1に記載の方法。
- 前記取得された3Dデータが、3D点クラウドとしてディスプレイ表示される、請求項3に記載の方法。
- 前記取得された3Dデータが、一つまたは複数のオブジェクト面としてディスプレイ表示される、請求項3に記載の方法。
- 前記3D計測デバイスを移動させ、前記構成された光パターンの投影が前記ほお側の面または舌側の面の第1区分を横に移動し該第1区分についての3Dデータを取得することを含む、請求項1に記載の方法。
- 前記構成された光パターンの投影が歯列弓の第2の開始点で前記咬合面の一部分に照射するよう、前記3D計測デバイスが位置づけられ、前記バックボーン3Dデータ・セットの他の部分を重なる3Dデータが取得されることと、
前記バックボーン3Dデータ・セットの前記他の部分に重なる前記3Dデータを縫合することと、
歯列弓の前記ほお側の面または前記舌側の面の他の部分に前記構成された光パターンの投影が入射するよう、前記3D計測デバイスを回転させ、該ほお側または舌側の面の前記他の部分について3Dデータを取得することと、
前記構成された光パターンの投影が前記ほお側または舌側の面の第2区分を横に移動するよう、前記3D計測デバイスを動かし、該第2区分について3Dデータを取得することと、
を含む、請求項6に記載の方法。 - 前記構成された光パターンの投影が前記咬合面の一部に入射するよう、前記3D計測デバイスを回転させ、前記バックボーン3Dデータ・セットに重なる3Dデータを取得することを含む、請求項6に記載の方法。
- 前記構成された光パターンの投影が前記咬合面の一部に入射するよう、前記3D計測デバイスを回転させ、前記バックボーン3Dデータ・セットに重なる3Dデータを取得することを含む、請求項7に記載の方法。
- 前記3D計測デバイスを位置づけて、前記構成された光パターンが前記歯列弓の咬合面の一部分を照射するようにし、前記バックボーン3Dデータ・セットの一部分と重なる3Dデータを取得するようにすることは、
前記咬合面の前記構成された光パターンで照射された部分の2次元画像を前記バックボーン3Dデータ・セットのグラフィック・ディスプレイ表示に重ねることを含む、請求項1に記載の方法。 - 前記構成された光パターンがストライプ・パターンを含む、請求項1に記載の方法。
- 前記構成された光パターンが干渉強度パターンである、請求項1に記載の方法。
- 前記構成された光パターンの投影が歯列弓の前記咬合面の残りを横に並進する間、前記3D計測デバイスは回転しない、請求項1に記載の方法。
- 前記3D計測デバイスは手持ちの3Dスキャナである、請求項1に記載の方法。
- 口内空洞の三次元(3D)表面データを取得する方法であって、
3D計測デバイスの計測視野が開始点において歯列弓の咬合面の一部を含むよう前記3D計測デバイスを口内空洞に位置づけ、前記咬合面の照射された部分から3Dデータが得ることと、
前記3D計測デバイスを並進させ、前記計測視野が前記歯列弓の前記咬合面の残りを含み、前記計測視野の並進から取得される3Dデータが前記開始点における該咬合面の前記一部についての3Dデータに登録され、前記咬合面の前記一部および前記残りについての3Dデータが前記歯列弓のバックボーン3Dデータ・セットを規定するようにすることと、
前記3D計測デバイスを位置づけて、前記計測視野が前記咬合面の選ばれた部分を含むようにし、前記選ばれた部分に対応する、前記バックボーン3Dデータ・セットの部分と重なる3Dデータを取得するようにすることと、
前記バックボーン3Dデータ・セットの前記対応する部分に重なる前記3Dデータを前記バックボーン3Dデータ・セットに接合することと、
前記3D計測デバイスを前記咬合面の前記選ばれた部分から回転し、前記計測視野が、前記咬合面の選ばれた部分に対応する、前記歯列弓の咬合面とは別の前記口内空洞の一部を含むようにし、前記バックボーン3Dデータ・セットに登録される、前記口内空洞の前記一部についての3Dデータを取得することと、
を含む前記方法。
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US38173110P | 2010-09-10 | 2010-09-10 | |
US61/381,731 | 2010-09-10 | ||
US13/217,595 US9157733B2 (en) | 2010-09-10 | 2011-08-25 | Method of data acquisition for three-dimensional imaging |
US13/217,595 | 2011-08-25 |
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JP2012066072A JP2012066072A (ja) | 2012-04-05 |
JP5564477B2 true JP5564477B2 (ja) | 2014-07-30 |
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US (2) | US9157733B2 (ja) |
EP (1) | EP2428162B1 (ja) |
JP (1) | JP5564477B2 (ja) |
CN (1) | CN102397113B (ja) |
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2011
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US9157733B2 (en) | 2015-10-13 |
CN102397113A (zh) | 2012-04-04 |
EP2428162B1 (en) | 2017-08-23 |
US9955872B2 (en) | 2018-05-01 |
EP2428162A1 (en) | 2012-03-14 |
US20150366457A1 (en) | 2015-12-24 |
US20120062701A1 (en) | 2012-03-15 |
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