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Implicit surface fitting using directional constraints
Department of Physics and Mathematics, Mid Sweden University.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Mathematical Science.
Department of Mathematics, University of Dundee.
2001 (English)In: BIT Numerical Mathematics, ISSN 0006-3835, E-ISSN 1572-9125, Vol. 41, no 1, 308-321 p.Article in journal (Refereed) Published
Abstract [en]

A commonly used technique for fitting curves and surfaces to measured data is that known as orthogonal distance regression, where the sum of squares of orthogonal distances from the data points to the surface is minimized. An alternative has recently been proposed for curves and surfaces which are parametrically defined, which minimizes the sum of squares in given directions which depend on the measuring process. In addition to taking account of that process, it is claimed that this technique has the advantage of complying with traditional fixed-regressor assumptions, enabling standard inference theory to apply. Here we consider extending this idea to curves and surfaces where the only assumption made is that there is an implicit formulation. Numerical results are given to illustrate the algorithmic performance.

Place, publisher, year, edition, pages
2001. Vol. 41, no 1, 308-321 p.
Research subject
Scientific Computing
URN: urn:nbn:se:ltu:diva-10153DOI: 10.1023/A:1021942507052Local ID: 8e79c7b0-aac0-11db-aeba-000ea68e967bOAI: diva2:983093
Validerad; 2001; 20070123 (evan)Available from: 2016-09-29 Created: 2016-09-29Bibliographically approved

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Söderkvist, Inge
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