Detection of Concentric Circles for Camera Calibration

Guang Jiang      Long Quan

10th International Conference on Computer Vision (ICCV2005), Pages 333-340, 2005, Beijing, China.
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This page contains the basic Matlab code functions used in the paper above, including
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search_o_idx.m ----- function for detecting the image of centers of Concentric Circles

edge1D_4e_o_rR2.m ----- function for detecting 4 edge points, computing the ratio of the 4 points and computing the image of the middle point

demo1.m ----- Demostration of the Convergence

demo2.m ----- Demostration of the Concentric Circles Identification

IMAGE1.JPG ----- test image for demo1.m

IMAGE2.JPG ----- test image for demo2.m

pattern1.m ----- coordinates of the pattern used in demo2.m

pattern1.eps ----- pattern used in demo2.m, you can print it with an A4 paper.


More details are contained in thess .m files .

Please contact gjiang@cs.ust.hk for bugs and questions.

Copyrights (C) 2005
You are free to download and use these codes and data for research purposes only, and acknowledge the reference.

Last modification on Dec. 27, 2005.