KR20070101580A - 카메라 보정 행렬 추정 방법 - Google Patents
카메라 보정 행렬 추정 방법 Download PDFInfo
- Publication number
- KR20070101580A KR20070101580A KR1020060032753A KR20060032753A KR20070101580A KR 20070101580 A KR20070101580 A KR 20070101580A KR 1020060032753 A KR1020060032753 A KR 1020060032753A KR 20060032753 A KR20060032753 A KR 20060032753A KR 20070101580 A KR20070101580 A KR 20070101580A
- Authority
- KR
- South Korea
- Prior art keywords
- camera
- dimensional pattern
- correction
- coordinates
- pattern image
- Prior art date
Links
- 239000011159 matrix material Substances 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000000605 extraction Methods 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 2
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/80—Analysis of captured images to determine intrinsic or extrinsic camera parameters, i.e. camera calibration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/02—Means for marking measuring points
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/10—Geometric effects
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Geometry (AREA)
- Computer Graphics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Image Processing (AREA)
Abstract
Description
Claims (3)
- 두 평면으로 구성된 카메라 보정용 3차원 패턴을 제공하는 단계와; 상기 카메라 보정용 3차원 패턴을 카메라로 투영한 상기 카메라 보정용 3차원 패턴 영상에 3차원 좌표값을 할당한 특징점을 선택하는 단계와; 상기 카메라 보정용 3차원 패턴과 상기 카메라 보정용 3차원 패턴 영상을 일치시키기 위해 기준점을 추출하는 단계와; 상기 카메라 보정용 3차원 패턴 좌표와 카메라 보정용 3차원 패턴 영상 좌표를 일치시키는 단계와; 상기 일치된 3차원 좌표와 카메라 보정용 3차원 패턴 영상의 특징점 좌표에 대하여 카메라 행렬을 풀어 카메라 보정 행렬을 계산하는 단계를 포함함을 특징으로 하는 카메라 보정 행렬 추정 방법.
- 제 1 항에 있어서, 상기 특징점 추출은 3차원 패턴의 코너를 선택하는 것을 특징으로 하는 카메라 보정 행렬 추정 방법.
- 제 1 항에 있어서 상기 기준점 추출은 3차원 패텬 영상에서 각 모서리에서 가장 가까운 코너를 찾아서 기준점으로 할당하는 것을 특징으로 하는 카메라 보정 행렬 추정 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060032753A KR20070101580A (ko) | 2006-04-11 | 2006-04-11 | 카메라 보정 행렬 추정 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060032753A KR20070101580A (ko) | 2006-04-11 | 2006-04-11 | 카메라 보정 행렬 추정 방법 |
Publications (1)
Publication Number | Publication Date |
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KR20070101580A true KR20070101580A (ko) | 2007-10-17 |
Family
ID=38816799
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020060032753A KR20070101580A (ko) | 2006-04-11 | 2006-04-11 | 카메라 보정 행렬 추정 방법 |
Country Status (1)
Country | Link |
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KR (1) | KR20070101580A (ko) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8208029B2 (en) | 2007-12-17 | 2012-06-26 | Electronics And Telecommunications Research Institute | Method and system for calibrating camera with rectification homography of imaged parallelogram |
US8564670B2 (en) | 2010-12-22 | 2013-10-22 | Electronic And Telecommunications Research Institute | Camera calibration apparatus and method using parallelograms in image and multi-view control |
KR101387692B1 (ko) * | 2012-10-05 | 2014-04-22 | 한국전기연구원 | 스테레오 카메라의 광축 간격 조절 방법 |
US9185401B2 (en) | 2011-07-15 | 2015-11-10 | Electronics And Telecommunications Research Institute | Method and apparatus for camera network calibration with small calibration pattern |
-
2006
- 2006-04-11 KR KR1020060032753A patent/KR20070101580A/ko not_active Application Discontinuation
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8208029B2 (en) | 2007-12-17 | 2012-06-26 | Electronics And Telecommunications Research Institute | Method and system for calibrating camera with rectification homography of imaged parallelogram |
US8564670B2 (en) | 2010-12-22 | 2013-10-22 | Electronic And Telecommunications Research Institute | Camera calibration apparatus and method using parallelograms in image and multi-view control |
US9185401B2 (en) | 2011-07-15 | 2015-11-10 | Electronics And Telecommunications Research Institute | Method and apparatus for camera network calibration with small calibration pattern |
KR101387692B1 (ko) * | 2012-10-05 | 2014-04-22 | 한국전기연구원 | 스테레오 카메라의 광축 간격 조절 방법 |
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