Transformation Of Irregularly Sampled Surface Data Points Into A Regular Grid And Aspects Of Surface Interpolation, Smoothing And Accuracy

W. Frobin; E. Hierholzer

doi:10.1117/12.956298

7 July 1986 Transformation Of Irregularly Sampled Surface Data Points Into A Regular Grid And Aspects Of Surface Interpolation, Smoothing And Accuracy

W. Frobin, E. Hierholzer

Author Affiliations +

Proceedings Volume 0602, Biostereometrics '85; (1986) https://doi.org/10.1117/12.956298
Event: 1985 International Technical Symposium/Europe, 1985, Cannes, France

Abstract

A method for the transformation of irregularly distributed data points into a regular grid is presented. In this transformation local approximations of surface patches are used. In order to avoid undesired clipping of the surface area at the margins, a particular criterion discarding unreliable surface patches is applied. As an application, a transformation of rasterstereographic data from a back shape measurement is presented. Approximation theory shows that in the special application of back surface measurement a high accuracy can be acnieved.

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W. Frobin and E. Hierholzer "Transformation Of Irregularly Sampled Surface Data Points Into A Regular Grid And Aspects Of Surface Interpolation, Smoothing And Accuracy", Proc. SPIE 0602, Biostereometrics '85, (7 July 1986); https://doi.org/10.1117/12.956298

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