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Least-Squares Fitting of Two 3-D Point Sets

by: K. S. Arun, T. S. Huang, S. D. Blostein
IEEE Trans. Pattern Anal. Mach. Intell., Vol. 9, No. 5. (May 1987), pp. 698-700, doi:10.1109/tpami.1987.4767965  Key: citeulike:833047

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Abstract

Two point sets pi and p'i; i = 1, 2,..., N are related by p'i = Rpi + T + Ni, where R is a rotation matrix, T a translation vector, and Ni a noise vector. Given pi and p'i, we present an algorithm for finding the least-squares solution of R and T, which is based on the singular value decomposition (SVD) of a 3 Ã 3 matrix. This new algorithm is compared to two earlier algorithms with respect to computer time requirements.


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