For solving the problem of micro small holes centering with diameter of 0.1 ~ 1 mm in the process of secondary machining of metal alloy parts,a nested circle fitting method is put forward which is based on image processing.A kind of microscopic imaging system is designed on the basis of ana...
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Circle curve fitting is always the one of the hot issues of the engineering technology field, circle curve fitting is good or bad depends not only on the fitting algorithm, also depends on the quality of the fitting data. Especially a certain number of disturbed observation points with errors ...
Lu, "A robust circle detection algorithm based on top- down least-square fitting analysis," Comput. Electr. Eng., vol. 40, no. 4, pp. 1415-1428, May 2014.Liu Dong, Wang Yongtao,Tang Zhi (2014) "A robust circle detection algorithm based on top-down least-square fitting analysis", ...
Durkheim and Merton: Fitting a Square into a Circle?Sullivan, Christopher B
The shortage of least-square method is analyzed in short arc fitting. The uncertainty of fitting center direction and fitting radius is illustrated. And we derived the solution to estimation of fitting center direction. Base on the testing environment, radius constraint least-square fitting circle ...