KR101245529B1 - 카메라 캘리브레이션 방법 - Google Patents
카메라 캘리브레이션 방법 Download PDFInfo
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- KR101245529B1 KR101245529B1 KR1020090022404A KR20090022404A KR101245529B1 KR 101245529 B1 KR101245529 B1 KR 101245529B1 KR 1020090022404 A KR1020090022404 A KR 1020090022404A KR 20090022404 A KR20090022404 A KR 20090022404A KR 101245529 B1 KR101245529 B1 KR 101245529B1
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- 238000000034 method Methods 0.000 title claims abstract description 22
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- 238000009434 installation Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
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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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Abstract
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Claims (4)
- 특정 지점의 실좌표를 측정하는 단계;실좌표계의 기준범위 좌표를 설정하는 단계;상기 실좌표계의 기준범위 좌표를 캘리브레이션 행렬로 변환하여 영상 좌표계의 기준범위 좌표를 설정하는 단계;상기 영상좌표계의 기준범위 좌표를 조정하여 카메라 캘리브레이션을 수행하는 단계;를 포함하되,상기 캘리브레이션 행렬은 하기 수학식 1과 수학식 2를 이용하여 상기 특정 지점에 대한 실좌표 및 영상좌표와 상기 실좌표계의 기준범위에 해당하는 직사각형의 각 변의 길이와 상기 영상좌표계의 기준범위에 해당하는 사다리꼴의 각 변의 길이로 계산하는 카메라 캘리브레이션 방법.<수학식1><수학식2>(초기에 사용자가 지정한 한 쌍의 점을 실좌표계에서 (xC,yC), 영상좌표계에서 (ixC,iyC)라 하고, 영상좌표계 기준범위의 각 변의 길이인 윗변(P1), 아랫변(P2) 및 높이(P3)를 각각 P1,P2,P3라 하고, 직사각형인 실좌표계 기준범위의 각 변의 길이를 Wx, Wy라고 하면, 캘리브레이션을 위해 필요한 4쌍의 데이터(x1,y1),(x2,y2),(x3,y3),(x4,y4)와(ix1,iy1),(ix2,iy2),(ix3,iy3),(ix4,iy4)를 구할 수 있음.)
- 삭제
- 삭제
- 제 1 항에 있어서,상기 캘리브레이션 행렬은 상기 영상좌표계의 기준범위의 각 변의 길이를 조정하여 변경할 수 있는 카메라 캘리브레이션 방법.
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KR1020090022404A KR101245529B1 (ko) | 2009-03-17 | 2009-03-17 | 카메라 캘리브레이션 방법 |
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KR1020090022404A KR101245529B1 (ko) | 2009-03-17 | 2009-03-17 | 카메라 캘리브레이션 방법 |
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KR20100104166A KR20100104166A (ko) | 2010-09-29 |
KR101245529B1 true KR101245529B1 (ko) | 2013-03-21 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101847812B1 (ko) | 2016-11-15 | 2018-04-11 | 주식회사 와이즈오토모티브 | 캘리브레이션 장치 및 방법 |
KR102044098B1 (ko) | 2018-05-30 | 2019-11-12 | 주식회사 와이즈오토모티브 | Bsd 캘리브레이션 장치 및 방법 |
US11783507B2 (en) | 2020-08-25 | 2023-10-10 | Samsung Electronics Co., Ltd. | Camera calibration apparatus and operating method |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101380318B1 (ko) * | 2013-03-29 | 2014-04-01 | (주)팜비젼 | 카메라의 캘리브레이션 장치 및 방법 |
CN112529968A (zh) * | 2020-12-22 | 2021-03-19 | 上海商汤临港智能科技有限公司 | 摄像设备标定方法、装置、电子设备及存储介质 |
CN114782549B (zh) * | 2022-04-22 | 2023-11-24 | 南京新远见智能科技有限公司 | 基于定点标识的相机标定方法及系统 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20080085655A (ko) * | 2007-03-20 | 2008-09-24 | 인천대학교 산학협력단 | 카메라 자세 추정 장치 및 방법 |
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KR20080085655A (ko) * | 2007-03-20 | 2008-09-24 | 인천대학교 산학협력단 | 카메라 자세 추정 장치 및 방법 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101847812B1 (ko) | 2016-11-15 | 2018-04-11 | 주식회사 와이즈오토모티브 | 캘리브레이션 장치 및 방법 |
KR102044098B1 (ko) | 2018-05-30 | 2019-11-12 | 주식회사 와이즈오토모티브 | Bsd 캘리브레이션 장치 및 방법 |
US11783507B2 (en) | 2020-08-25 | 2023-10-10 | Samsung Electronics Co., Ltd. | Camera calibration apparatus and operating method |
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