KR20070058652A - 물체의 기복을 측정하기 위한 방법 및 시스템 - Google Patents
물체의 기복을 측정하기 위한 방법 및 시스템 Download PDFInfo
- Publication number
- KR20070058652A KR20070058652A KR1020077009430A KR20077009430A KR20070058652A KR 20070058652 A KR20070058652 A KR 20070058652A KR 1020077009430 A KR1020077009430 A KR 1020077009430A KR 20077009430 A KR20077009430 A KR 20077009430A KR 20070058652 A KR20070058652 A KR 20070058652A
- Authority
- KR
- South Korea
- Prior art keywords
- grid
- phase
- pixel
- image
- reference object
- Prior art date
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Classifications
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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
- 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
- G06—COMPUTING; CALCULATING OR 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
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- 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)
Abstract
Description
Claims (8)
- 검사를 이용하여 제품을 생산하는 방법에 있어서,검사되지 않은 물체를 포함하는 제품을 제공하는 단계;상기 물체 상에 투사되는 그리드의 위상과 고도의 변화량 사이의 관계를 결정하는 단계; 복수의 그리드 위치에서 상기 물체 상에 상기 그리드를 투사하는 단계; 각각의 원하는 픽셀 위치 및 상기 복수의 그리드 위치의 각각에 대해 세기값을 획득하기 위해서, 상기 물체를 촬영(imaging)하는 단계; 상기 물체 상의 복수의 위치에서 상기 물체의 고도값을 결정하기 위해서, 상기 관계 및 상기 세기값을 이용하는 단계에 의해, 상기 물체 상의 복수의 위치에서 고도값을 결정하는 단계; 및상기 제품을 합격 또는 불합격시키는데 상기 고도값을 이용하는 단계를 포함하는 방법.
- 제1항에 있어서,상기 그리드는 백색광 그리드인방법.
- 검사를 이용하여 제품을 생산하는 방법에 있어서,검사되지 않은 물체를 포함하는 제품을 제공하는 단계;복수의 그리드 위치에서 상기 물체 상에 그리드를 투사하는 단계;각각의 원하는 픽셀 위치 및 상기 복수의 그리드 위치의 각각에 대해 세기값을 획득하기 위해서, 상기 물체를 촬영하는 단계 - 여기서, 상기 촬영은 획득되는 상기 물체의 3D 데이터를 고려함 - ;상기 물체의 2차원 이미지를 재구성하기 위해서, 상기 그리드 위치 중 적어도 2개의 위치로부터의 세기값을 합성하는 단계;상기 물체의 예비 분석(preliminary analysis)을 수행하기 위해서, 상기 2차원 이미지를 이용하는 단계; 및상기 제품을 합격 또는 불합격시키는 단계를 포함하는 방법.
- 제4항에 있어서,상기 물체 상의 상기 원하는 픽셀 위치에서 상기 물체의 고도값을 결정하기 위해서, 상기 세기값을 이용하는 단계를 더 포함하고,여기서, 상기 제품을 합격 또는 불합격시키는 단계는, 상기 제품을 합격 또는 불합격시키는데 상기 고도값을 이용하는 단계를 포함하는방법.
- 제5항에 있어서,상기 그리드 위치 중 적어도 2개의 위치는, 180도의 위상차를 갖는 2개의 위치를 포함하는방법.
- 제4항에 있어서,상기 그리드는 백색광 그리드인방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
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 |
CA2,277,855 | 1999-07-14 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020027000555A Division KR100815503B1 (ko) | 1999-07-14 | 2000-07-14 | 물체의 기복을 측정하기 위한 방법 및 시스템 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070058652A true KR20070058652A (ko) | 2007-06-08 |
KR100858521B1 KR100858521B1 (ko) | 2008-09-12 |
Family
ID=4163790
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020027000555A KR100815503B1 (ko) | 1999-07-14 | 2000-07-14 | 물체의 기복을 측정하기 위한 방법 및 시스템 |
KR1020077009430A KR100858521B1 (ko) | 1999-07-14 | 2000-07-14 | 검사를 이용하여 제품을 생산하는 방법 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020027000555A KR100815503B1 (ko) | 1999-07-14 | 2000-07-14 | 물체의 기복을 측정하기 위한 방법 및 시스템 |
Country Status (13)
Country | Link |
---|---|
US (2) | USRE42899E1 (ko) |
EP (1) | EP1192414B1 (ko) |
JP (1) | JP4112858B2 (ko) |
KR (2) | KR100815503B1 (ko) |
CN (1) | CN1181313C (ko) |
AT (1) | ATE266188T1 (ko) |
AU (1) | AU6143300A (ko) |
CA (3) | CA2277855A1 (ko) |
DE (1) | DE60010462T2 (ko) |
HK (1) | HK1047470B (ko) |
IL (2) | IL147607A0 (ko) |
TW (1) | TW544509B (ko) |
WO (1) | WO2001006210A1 (ko) |
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1999
- 1999-07-14 CA CA002277855A patent/CA2277855A1/fr not_active Abandoned
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2000
- 2000-07-14 KR KR1020027000555A patent/KR100815503B1/ko active IP Right Grant
- 2000-07-14 WO PCT/CA2000/000834 patent/WO2001006210A1/en active IP Right Grant
- 2000-07-14 IL IL14760700A patent/IL147607A0/xx active IP Right Grant
- 2000-07-14 AU AU61433/00A patent/AU6143300A/en not_active Abandoned
- 2000-07-14 CN CNB008129010A patent/CN1181313C/zh not_active Expired - Fee Related
- 2000-07-14 AT AT00947712T patent/ATE266188T1/de not_active IP Right Cessation
- 2000-07-14 JP JP2001510801A patent/JP4112858B2/ja not_active Expired - Lifetime
- 2000-07-14 DE DE60010462T patent/DE60010462T2/de not_active Expired - Fee Related
- 2000-07-14 CA CA002378867A patent/CA2378867C/en not_active Expired - Fee Related
- 2000-07-14 US US11/581,230 patent/USRE42899E1/en not_active Expired - Fee Related
- 2000-07-14 EP EP00947712A patent/EP1192414B1/en not_active Expired - Lifetime
- 2000-07-14 CA CA002579563A patent/CA2579563A1/en not_active Abandoned
- 2000-07-14 KR KR1020077009430A patent/KR100858521B1/ko active IP Right Grant
- 2000-07-14 US US10/031,031 patent/US7023559B1/en not_active Ceased
- 2000-09-05 TW TW089118144A patent/TW544509B/zh not_active IP Right Cessation
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2002
- 2002-01-13 IL IL147607A patent/IL147607A/en not_active IP Right Cessation
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Also Published As
Publication number | Publication date |
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EP1192414B1 (en) | 2004-05-06 |
HK1047470B (zh) | 2005-01-14 |
CN1375053A (zh) | 2002-10-16 |
IL147607A0 (en) | 2002-08-14 |
EP1192414A1 (en) | 2002-04-03 |
AU6143300A (en) | 2001-02-05 |
ATE266188T1 (de) | 2004-05-15 |
KR20020060151A (ko) | 2002-07-16 |
DE60010462D1 (de) | 2004-06-09 |
DE60010462T2 (de) | 2005-04-21 |
KR100858521B1 (ko) | 2008-09-12 |
CA2378867A1 (en) | 2001-01-25 |
USRE42899E1 (en) | 2011-11-08 |
US7023559B1 (en) | 2006-04-04 |
CN1181313C (zh) | 2004-12-22 |
IL147607A (en) | 2006-12-10 |
TW544509B (en) | 2003-08-01 |
KR100815503B1 (ko) | 2008-03-20 |
CA2378867C (en) | 2007-05-29 |
CA2277855A1 (fr) | 2001-01-14 |
JP2003504634A (ja) | 2003-02-04 |
WO2001006210A1 (en) | 2001-01-25 |
HK1047470A1 (en) | 2003-02-21 |
JP4112858B2 (ja) | 2008-07-02 |
CA2579563A1 (en) | 2001-01-25 |
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