Fairing-PIA: progressive-iterative approximation for fairing curve and surface generation
نویسندگان
چکیده
The fairing curves and surfaces are used extensively in geometric design, modeling, industrial manufacturing. However, the majority of conventional approaches, which lack sufficient parameters to improve fairness, based on energy minimization problems. In this study, we develop a novel progressive-iterative approximation method for curve surface generation (fairing-PIA). Fairing-PIA is an iteration that can generate series (surfaces) by adjusting control points B-spline (surfaces). fairing-PIA, each point endowed with individual weight. Thus, fairing-PIA has many optimize shapes surfaces. Not only (surface) be generated globally through but also improved locally. Moreover, prove convergence developed show model special case fairing-PIA. Finally, numerical examples indicate proposed effective efficient.
منابع مشابه
Curve fitting and fairing using conic splines
We present an efficient geometric algorithm for conic spline curve fitting and fairing through conic arc scaling. Given a set of planar points, we first construct a tangent continuous conic spline by interpolating the points with a quadratic Bézier spline curve or fitting the data with a smooth arc spline. The arc spline can be represented as a piecewise quadratic rational Bézier spline curve. ...
متن کاملMultiple Aligned Characteristic Curves for Surface Fairing
Characteristic curves like isophotes, reflection lines and reflection circles are well–established concepts which have been used for automatic fairing of both parametric and piecewise linear surfaces. However, the result of the fairing strongly depends on the choice of a particular family of characteristic curves: isophotes or reflection lines may look perfect for a certain orientation of viewi...
متن کاملThe Geometric Heat Equation and Surface Fairing
This paper concentrates on analysis and discussion of the heat equation as it pertains to smoothing of geometric shapes and its relationship to the problem of surface fairing. The geometric heat equation distorts a given shape in order to obtain scale-space representation of a shape. This scale-space provides a complete description of the original shape in terms of small to large scale structur...
متن کاملConstraint-based fairing of surface meshes
We propose a constraint-based method for the fairing of surface meshes. The main feature of our approach is that the resulting smoothed surface remains within a prescribed distance to the input mesh. For example, specifying the maximum distance in the order of the measuring precision of a laser scanner allows noise to be removed while preserving the accuracy of the scan. The approach is modeled...
متن کاملKnot-removal surface fairing using search strategies
This paper presents two automatic fairing algorithms for parametric C-continuous bi-cubic B-spline surfaces. The fairing method consists of a knot removal and knot reinsertion step which locally smooths the surface. Search strategies like best-first-search and simulated-annealing are searching for the global minimum of the fairing measure. The best-first-search algorithm constructs only partial...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: The Visual Computer
سال: 2023
ISSN: ['1432-2315', '0178-2789']
DOI: https://doi.org/10.1007/s00371-023-02861-7