A registration method for 2D blade profile

Bin Zhang; Jianguo Fang; Pengfei Liu

doi:10.1117/12.2246937

19 October 2016 A registration method for 2D blade profile

Bin Zhang, Jianguo Fang, Pengfei Liu

Proceedings Volume 10155, Optical Measurement Technology and Instrumentation; 1015528 (2016) https://doi.org/10.1117/12.2246937
Event: International Symposium on Optoelectronic Technology and Application 2016, 2016, Beijing, China

Abstract

Fast and accurate registration research has important theory significance and engineering application value in improving digital measurement accuracy and efficiency. Aiming at solving registration precision and registration speed problem, the extraction scheme of contour dominant point, correspondence establishment method and the objective function of registration are discussed in the paper. Compared with other extraction ones, the scheme can extract typical characters of the blade contour effectively. It is essential to sample measuring points which can represent the entire blade with sufficient confidence and accuracy. Unlike the registration method that only minimizes the one-way distance between the data points and the initial fitted curves, the weighted mutual (two-way) distances between the template profile curves and the data points as the objective function is considered in the paper. The registration algorithm based on iterative closest point algorithm is introduced in details. Using experimental method, the validation of proposed model registration algorithm is verified. Two experimental examples were used to demonstrate registration precision and effectiveness.

Citation Download Citation

Bin Zhang, Jianguo Fang, and Pengfei Liu "A registration method for 2D blade profile", Proc. SPIE 10155, Optical Measurement Technology and Instrumentation, 1015528 (19 October 2016); https://doi.org/10.1117/12.2246937

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