Abstract

A novel two-dimensional (2D) pattern used in camera calibration is presented. With one feature circle located at the center, an array of circles is photo-etched on this pattern. An ellipse recognition algorithm is proposed to implement the acquisition of interest calibration points without human intervention. According to the circle arrangement of the pattern, the relation between three-dimensional (3D) and 2D coordinates of these points can be established automatically and accurately. These calibration points are computed for intrinsic parameters calibration of charge-coupled device (CCD) camera with Tsai method. A series of experiments have shown that the algorithm is robust and reliable with the calibration error less than 0.4 pixel. This new calibration pattern and ellipse recognition algorithm can be widely used in computer vision.

© 2005 Chinese Optics Letters

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References

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  1. R. Y. Tsai, IEEE J. Robotics and Automation 3, 323 (1987).
  2. L. G. Shapiro and G. C. Stockman, Computer Vision (Prentice-Hall Inc. Upper Saddle River, New Jersey, USA, 2001) chap.13, p.444.
  3. C. Sun and S. Ye, Laser Measurement Technology (in Chinese) (Press of Tianjin University, Tianjin, 2001) chap.5, p.129.
  4. Z. Xu, C. Sun, L. Tao, and Y. Zheng, Acta Opt. Sin. (in Chinese) 23, 1008 (2003).
  5. C. Sun, Q. You, and S. Ye, Opt. Eng. 40, 2565 (2001).
  6. C. Sun, Y. Qiu, and S. Ye, Chin. J. Lasers B 9, 417 (2000).
  7. X. Kou, Z. Wang, and S. Ye, Opt. Eng. 41, 1220 (2002).
  8. N. Megiddo, J. the ACM 31, 114 (1984).
  9. M. Hu, IRE Trans. Information Theory 8, 179 (1962).

2003 (1)

Z. Xu, C. Sun, L. Tao, and Y. Zheng, Acta Opt. Sin. (in Chinese) 23, 1008 (2003).

2002 (1)

X. Kou, Z. Wang, and S. Ye, Opt. Eng. 41, 1220 (2002).

2001 (1)

C. Sun, Q. You, and S. Ye, Opt. Eng. 40, 2565 (2001).

2000 (1)

C. Sun, Y. Qiu, and S. Ye, Chin. J. Lasers B 9, 417 (2000).

1987 (1)

R. Y. Tsai, IEEE J. Robotics and Automation 3, 323 (1987).

1984 (1)

N. Megiddo, J. the ACM 31, 114 (1984).

1962 (1)

M. Hu, IRE Trans. Information Theory 8, 179 (1962).

Hu, M.

M. Hu, IRE Trans. Information Theory 8, 179 (1962).

Kou, X.

X. Kou, Z. Wang, and S. Ye, Opt. Eng. 41, 1220 (2002).

Megiddo, N.

N. Megiddo, J. the ACM 31, 114 (1984).

Qiu, Y.

C. Sun, Y. Qiu, and S. Ye, Chin. J. Lasers B 9, 417 (2000).

Sun, C.

Z. Xu, C. Sun, L. Tao, and Y. Zheng, Acta Opt. Sin. (in Chinese) 23, 1008 (2003).

C. Sun, Q. You, and S. Ye, Opt. Eng. 40, 2565 (2001).

C. Sun, Y. Qiu, and S. Ye, Chin. J. Lasers B 9, 417 (2000).

Tao, L.

Z. Xu, C. Sun, L. Tao, and Y. Zheng, Acta Opt. Sin. (in Chinese) 23, 1008 (2003).

Tsai, R. Y.

R. Y. Tsai, IEEE J. Robotics and Automation 3, 323 (1987).

Wang, Z.

X. Kou, Z. Wang, and S. Ye, Opt. Eng. 41, 1220 (2002).

Xu, Z.

Z. Xu, C. Sun, L. Tao, and Y. Zheng, Acta Opt. Sin. (in Chinese) 23, 1008 (2003).

Ye, S.

X. Kou, Z. Wang, and S. Ye, Opt. Eng. 41, 1220 (2002).

C. Sun, Q. You, and S. Ye, Opt. Eng. 40, 2565 (2001).

C. Sun, Y. Qiu, and S. Ye, Chin. J. Lasers B 9, 417 (2000).

You, Q.

C. Sun, Q. You, and S. Ye, Opt. Eng. 40, 2565 (2001).

Zheng, Y.

Z. Xu, C. Sun, L. Tao, and Y. Zheng, Acta Opt. Sin. (in Chinese) 23, 1008 (2003).

Acta Opt. Sin. (in Chinese) (1)

Z. Xu, C. Sun, L. Tao, and Y. Zheng, Acta Opt. Sin. (in Chinese) 23, 1008 (2003).

Chin. J. Lasers B (1)

C. Sun, Y. Qiu, and S. Ye, Chin. J. Lasers B 9, 417 (2000).

IEEE J. Robotics and Automation (1)

R. Y. Tsai, IEEE J. Robotics and Automation 3, 323 (1987).

IRE Trans. Information Theory (1)

M. Hu, IRE Trans. Information Theory 8, 179 (1962).

J. the ACM (1)

N. Megiddo, J. the ACM 31, 114 (1984).

Opt. Eng. (2)

X. Kou, Z. Wang, and S. Ye, Opt. Eng. 41, 1220 (2002).

C. Sun, Q. You, and S. Ye, Opt. Eng. 40, 2565 (2001).

Other (2)

L. G. Shapiro and G. C. Stockman, Computer Vision (Prentice-Hall Inc. Upper Saddle River, New Jersey, USA, 2001) chap.13, p.444.

C. Sun and S. Ye, Laser Measurement Technology (in Chinese) (Press of Tianjin University, Tianjin, 2001) chap.5, p.129.

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