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Direct least-squares fitting of algebraic surfaces
In the course of developing a system for fitting smooth curves to camera input we have developed several direct (i.e. noniterative) methods for fitting a shape (line, circle, conic, cubic, plane, sphere, quadric, etc.) to a set of points, namely exact ...
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The matrices involved in a linear least squares formulation are determined for the problem of fitting piecewise cubic functions, those possessing a continuous derivative, to arrays of planar data.
Research of Piecewise Curve Fitting Method Based on Hermite Interpolation
ICSEM '13: Proceedings of the 2013 Fourth International Conference on System Science, Engineering Design and Manufacturing Informatization (icsem 2013)In order to fit the curve has a sub-order continuity, in the analysis of the basic principles of segmented curve fitting, and interpolation points piecewise cubic her mite curve fitting, we have adopted a two cubic her mite interpolation method. Between ...
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