[ספר][B] Implicit curves and surfaces: mathematics, data structures and algorithms

AJP Gomes, I Voiculescu, J Jorge, B Wyvill, C Galbraith - 2009‏ - Springer
Continuation methods are based on piecewise linear approximation of a variety (eg curve or
surface) by means of numerical solution of an initial value problem 7. In other words, they …

Isotopic approximation of implicit curves and surfaces

S Plantinga, G Vegter - Proceedings of the 2004 Eurographics/ACM …, 2004‏ - dl.acm.org
Implicit surfaces are defined as the zero set of a function F: R3← R. Although several
algorithms exist for generating piecewise linear approximations, most of them are based on …

Curvature and torsion estimators based on parametric curve fitting

T Lewiner, JD Gomes Jr, H Lopes, M Craizer - Computers & Graphics, 2005‏ - Elsevier
Many applications of geometry processing and computer vision rely on geometric properties
of curves, particularly, their curvature. Several methods have already been proposed to …

Robust adaptive meshes for implicit surfaces

A Paiva, H Lopes, T Lewiner… - 2006 19th Brazilian …, 2006‏ - ieeexplore.ieee.org
This work introduces a robust algorithm for computing good polygonal approximations of
implicit surfaces, where robustness entails recovering the exact topology of the implicit …

Isotopic meshing of implicit surfaces

S Plantinga, G Vegter - The Visual Computer, 2007‏ - Springer
Implicit surfaces are given as the zero set of a function F: ℝ 3→ ℝ. Although several
algorithms exist for generating piecewise linear approximations, most of these are based on …

[HTML][HTML] Cad/cam system for additive manufacturing with a robust and efficient topology optimization algorithm based on the function representation

D Popov, Y Kuzminova, E Maltsev, S Evlashin… - Applied Sciences, 2021‏ - mdpi.com
Additive manufacturing erases the distance between design ideas and finished parts.
However, designers must use several software tools to use these advantages. Moreover …

Arc-length based curvature estimator

T Lewiner, JD Gomes, H Lopes… - … Brazilian symposium on …, 2004‏ - ieeexplore.ieee.org
Many applications of geometry processing and computer vision rely on geometric properties
of curves, particularly their curvature. Several methods have been proposed to estimate the …

[ספר][B] Numerical linear approximation in C

N Abdelmalek, WA Malek - 2008‏ - taylorfrancis.com
Illustrating the relevance of linear approximation in a variety of fields, Numerical Linear
Approximation in C presents a unique collection of linear approximation algorithms that can …

A continuation algorithm for planar implicit curves with singularities

AJP Gomes - Computers & graphics, 2014‏ - Elsevier
Continuation algorithms usually behave badly near to critical points of implicitly defined
curves in R 2, ie, points at which at least one of the partial derivatives vanishes. Critical …

Geometric primitive feature extraction-concepts, algorithms, and applications

DK Prasad - arxiv preprint arxiv:1305.3885, 2013‏ - arxiv.org
This thesis presents important insights and concepts related to the topic of the extraction of
geometric primitives from the edge contours of digital images. Three specific problems …