HK1047470B - System and method for detecting object appearance - Google Patents

System and method for detecting object appearance Download PDF

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Publication number
HK1047470B
HK1047470B HK02107298.2A HK02107298A HK1047470B HK 1047470 B HK1047470 B HK 1047470B HK 02107298 A HK02107298 A HK 02107298A HK 1047470 B HK1047470 B HK 1047470B
Authority
HK
Hong Kong
Prior art keywords
pixel
grid
image
phase
intensity values
Prior art date
Application number
HK02107298.2A
Other languages
German (de)
English (en)
French (fr)
Chinese (zh)
Other versions
HK1047470A1 (en
Inventor
Coulombe Alain
Cantin Michel
Nikitine Alexandre
Original Assignee
Solvision 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 Solvision Inc. filed Critical Solvision Inc.
Publication of HK1047470A1 publication Critical patent/HK1047470A1/en
Publication of HK1047470B publication Critical patent/HK1047470B/en

Links

Classifications

    • 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
    • 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
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/50—Depth or shape recovery
    • G06T7/521—Depth or shape recovery from laser ranging, e.g. using interferometry; from the projection of structured light

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Optics & Photonics (AREA)
  • Theoretical Computer Science (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Measuring Arrangements Characterized By The Use Of Fluids (AREA)
  • Image Processing (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
HK02107298.2A 1999-07-14 2000-07-14 System and method for detecting object appearance HK1047470B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CA2,277,855 1999-07-14
CA002277855A CA2277855A1 (fr) 1999-07-14 1999-07-14 Methode et systeme de mesure de la hauteur des billes de soudure d'un circuit imprime
PCT/CA2000/000834 WO2001006210A1 (en) 1999-07-14 2000-07-14 Method and system for measuring the relief of an object

Publications (2)

Publication Number Publication Date
HK1047470A1 HK1047470A1 (en) 2003-02-21
HK1047470B true HK1047470B (en) 2005-01-14

Family

ID=4163790

Family Applications (1)

Application Number Title Priority Date Filing Date
HK02107298.2A HK1047470B (en) 1999-07-14 2000-07-14 System and method for detecting object appearance

Country Status (13)

Country Link
US (2) USRE42899E1 (enExample)
EP (1) EP1192414B1 (enExample)
JP (1) JP4112858B2 (enExample)
KR (2) KR100815503B1 (enExample)
CN (1) CN1181313C (enExample)
AT (1) ATE266188T1 (enExample)
AU (1) AU6143300A (enExample)
CA (3) CA2277855A1 (enExample)
DE (1) DE60010462T2 (enExample)
HK (1) HK1047470B (enExample)
IL (2) IL147607A0 (enExample)
TW (1) TW544509B (enExample)
WO (1) WO2001006210A1 (enExample)

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US8059280B2 (en) 2008-01-31 2011-11-15 Cyberoptics Corporation Method for three-dimensional imaging using multi-phase structured light
CN201974159U (zh) * 2008-04-01 2011-09-14 感知器公司 包括mems反射镜的轮廓传感器
US9170097B2 (en) * 2008-04-01 2015-10-27 Perceptron, Inc. Hybrid system
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CN104101611A (zh) * 2014-06-06 2014-10-15 华南理工大学 一种类镜面物体表面光学成像装置及其成像方法
BR112018002995A2 (pt) * 2015-08-17 2018-09-25 Qso Interferometer Systems Ab método e aparelho para derivar uma topografia de uma superfície de objeto
CN107356214A (zh) * 2017-08-23 2017-11-17 苏州岸肯电子科技有限公司 一种玻璃平整度检测装置
US10701259B2 (en) * 2017-09-15 2020-06-30 Quality Vision International Inc. Video measuring system with dual-acting reticle projector for focusing and alignment
KR102632562B1 (ko) * 2018-08-22 2024-02-02 삼성전자주식회사 Si 기반 검사 장치와 검사 방법, 및 그 검사 방법을 포함한 반도체 소자 제조방법
CN112866549B (zh) * 2019-11-12 2022-04-12 Oppo广东移动通信有限公司 图像处理方法和装置、电子设备、计算机可读存储介质
TWI735330B (zh) 2020-09-03 2021-08-01 由田新技股份有限公司 球體高度量測系統及其方法
CN113358030B (zh) * 2021-07-15 2022-09-30 中国科学院长春光学精密机械与物理研究所 色散共焦测量系统及其误差修正方法
CN114111637B (zh) * 2021-11-25 2024-06-21 天津工业大学 一种基于虚拟双目的条纹结构光三维重建方法
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Also Published As

Publication number Publication date
HK1047470A1 (en) 2003-02-21
JP2003504634A (ja) 2003-02-04
EP1192414B1 (en) 2004-05-06
CN1375053A (zh) 2002-10-16
CA2579563A1 (en) 2001-01-25
CA2378867C (en) 2007-05-29
KR100858521B1 (ko) 2008-09-12
AU6143300A (en) 2001-02-05
CN1181313C (zh) 2004-12-22
IL147607A0 (en) 2002-08-14
DE60010462D1 (de) 2004-06-09
TW544509B (en) 2003-08-01
DE60010462T2 (de) 2005-04-21
US7023559B1 (en) 2006-04-04
KR100815503B1 (ko) 2008-03-20
KR20020060151A (ko) 2002-07-16
EP1192414A1 (en) 2002-04-03
ATE266188T1 (de) 2004-05-15
CA2378867A1 (en) 2001-01-25
KR20070058652A (ko) 2007-06-08
USRE42899E1 (en) 2011-11-08
JP4112858B2 (ja) 2008-07-02
IL147607A (en) 2006-12-10
WO2001006210A1 (en) 2001-01-25
CA2277855A1 (fr) 2001-01-14

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20080714