KR102461481B1 - 거울 표면을 위한 구조화 광의 투영 - Google Patents
거울 표면을 위한 구조화 광의 투영 Download PDFInfo
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- KR102461481B1 KR102461481B1 KR1020207023706A KR20207023706A KR102461481B1 KR 102461481 B1 KR102461481 B1 KR 102461481B1 KR 1020207023706 A KR1020207023706 A KR 1020207023706A KR 20207023706 A KR20207023706 A KR 20207023706A KR 102461481 B1 KR102461481 B1 KR 102461481B1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
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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
- G01B11/254—Projection of a pattern, viewing through a pattern, e.g. moiré
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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
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/022—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by means of tv-camera scanning
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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
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0608—Height gauges
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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
- G01B11/2504—Calibration devices
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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
- G01B11/2513—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 with several lines being projected in more than one direction, e.g. grids, patterns
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/22—Telecentric objectives or lens systems
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/095—Refractive optical elements
- G02B27/0955—Lenses
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/60—Type of objects
- G06V20/64—Three-dimensional objects
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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
- H04N13/246—Calibration of 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
- H04N13/254—Image signal generators using stereoscopic image cameras in combination with electromagnetic radiation sources for illuminating objects
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- 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
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- Optics & Photonics (AREA)
- Theoretical Computer Science (AREA)
- Electromagnetism (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Optical Elements Other Than Lenses (AREA)
- Laminated Bodies (AREA)
- Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)
Abstract
Description
도 2는 광 프로파일 측정 시스템 타깃의 일례를 나타낸 사시도이다.
도 3은 종래 기술에 따른 광 프로파일 측정 시스템의 일례를 나타낸 사시도이다.
도 4는 종래 기술에 따른 광 프로파일 측정 시스템의 일례를 나타낸 개략도이다.
도 5는 종래 기술에 따른 광 프로파일 측정 시스템의 일례를 나타낸 개략도이다.
도 6은 본 발명의 실시예에 따른 광 프로파일 측정 시스템의 일례를 나타낸 개략도이다.
도 7은 광 프로파일 측정 시스템의 일례를 나타낸 개략도이다.
도 8은 광 프로파일 측정 시스템의 일례를 나타낸 개략도이다.
도 9는 이미징 시스템 렌즈 어셈블리의 일례를 나타낸 하면도이다.
도 10은 광 프로파일 측정 시스템의 일례를 나타낸 개략도이다.
도 11a는 이상적인 초점 환경의 일례를 나타낸 개략도이다.
도 11b는 비-이상적인 초점 환경의 일례를 나타낸 개략도이다.
도 12a는 이상적인 렌즈 초점 평면 환경의 일례를 나타낸 개략도이다.
도 12b는 비-이상적인 렌즈 초점 평면 환경의 일례를 나타낸 개략도이다.
도 13은 본 발명의 실시예에 따른 광 프로파일 측정 시스템의 일례를 나타낸 개략도이다.
도 14a는 광 프로파일 측정 시스템(800)의 일례를 나타낸 상면도이다.
도 14b는 광 프로파일 측정 시스템(800)의 일례를 나타낸 사시도이다.
도 15a는 광 프로파일 측정 시스템의 일례를 나타낸 개략도이다.
도 15b는 상이한 초점 위치에서 초점화된 시스템(900)의 개략도이다.
도 16은 본 발명의 실시예에 따른 광 프로파일 측정 시스템의 일례를 나타낸 개략도이다.
도 17은 본 발명의 실시예에 따른 광 프로파일 측정 시스템의 일례를 나타낸 개략도이다.
도 18a 및 도 18b는 광 프로파일 측정 시스템에 대한 교정 방법의 일례를 나타낸 흐름도이다.
도 19는 교정 오프셋(offset)을 사용하여 거울 타깃에 대응하는 이미지를 생성하는 방법의 일례를 나타낸 흐름도이다.
도 20은 본 발명의 실시예에 따른 광 프로파일 측정 시스템의 일례를 나타낸 단순 블록 다이어그램이다.
도 21은 본 발명의 실시예에 따른 광 프로파일 측정 시스템의 일례를 나타낸 개략도이다.
Claims (16)
- 테스트 타깃 상에 반복된 패턴을 갖는 패터닝된 조사광을 생성하도록 구성된 조사광 공급원;
테스트 타깃 상에 패터닝된 조사광의 이미지를 획득하도록 구성된 카메라;
상기 카메라가 적어도 2개의 다른 초점 위치에서 테스트 타깃을 이미징하도록 구성된 가변 초점 광학 시스템; 및
상기 조사광 공급원, 카메라 및 가변 초점 광학 시스템에 결합되고, 적어도 2개의 다른 초점 위치를 사용하여 패터닝된 조사광의 획득된 이미지에 기초하여 테스트 타깃의 높이 이미지를 생성하도록 구성된 제어기를 포함하고;
상기 조사광 공급원 및 카메라는, 카메라가 패터닝된 조사광의 거울 이미지를 획득하도록 테스트 타깃에 대해 정렬되고; 그리고
상기 조사광 공급원은 공급원 조사 각도를 갖는 패터닝된 조사광을 생성하도록 구성되고, 카메라는 이미징 각도에서 패터닝된 조사광을 이미징하도록 구성되고, 그리고 공급원 조사 각도와 이미징 각도는 반사성 테스트 타깃에 수직으로 그려진 선으로부터 동일하게 이격되는,
반사성 테스트 타깃의 3차원 높이 이미지를 생성하는 시스템. - 제1항에 있어서, 상기 가변 초점 광학 시스템은 가변 초점 렌즈를 포함하는, 시스템.
- 제2항에 있어서, 상기 가변 초점 렌즈는 전기 광학 렌즈를 포함하는, 시스템.
- 제2항에 있어서, 상기 가변 초점 광학 시스템은 가변 파워 렌즈를 포함하는, 시스템.
- 제2항에 있어서, 상기 가변 초점 광학 시스템은 액체 렌즈 어셈블리를 포함하는, 시스템.
- 제1항에 있어서, 상기 가변 초점 광학 시스템은 카메라의 광학 경로에 선택적으로 삽입 가능한 유리 판을 포함하는, 시스템.
- 제1항에 있어서, 상기 가변 초점 광학 시스템은 카메라를 테스트 타깃에 대하여 이동하도록 구성된 조절 가능한 카메라 위치 시스템을 포함하는, 시스템.
- 제1항에 있어서, 상기 가변 초점 광학 시스템은 테스트 타깃을 조사광 공급원 및 카메라에 대하여 이동하도록 구성된 조절 가능한 스테이지를 포함하는, 시스템.
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KR1020227031500A KR102597197B1 (ko) | 2018-01-24 | 2019-01-24 | 거울 표면을 위한 구조화 광의 투영 |
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US201862621317P | 2018-01-24 | 2018-01-24 | |
US62/621,317 | 2018-01-24 | ||
PCT/US2019/014981 WO2019147834A1 (en) | 2018-01-24 | 2019-01-24 | Structured light projection for specular surfaces |
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KR1020227031500A Active KR102597197B1 (ko) | 2018-01-24 | 2019-01-24 | 거울 표면을 위한 구조화 광의 투영 |
KR1020207022992A Active KR102328240B1 (ko) | 2018-01-24 | 2019-01-24 | 거울 표면을 위한 구조화 광의 투영 |
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US (2) | US11421983B2 (ko) |
EP (3) | EP3744089A4 (ko) |
KR (3) | KR102461481B1 (ko) |
CN (2) | CN111656779B (ko) |
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US11328380B2 (en) * | 2018-10-27 | 2022-05-10 | Gilbert Pinter | Machine vision systems, illumination sources for use in machine vision systems, and components for use in the illumination sources |
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