GMP
2000
IEEE
14 years 3 months ago
2000
IEEE
A geometric approach to the computation of precise or well approximated tolerance zones for CAD constructions is given. We continue a previous study of linear constructions and fr...
GMP
2000
IEEE
14 years 3 months ago
2000
IEEE
A computer graphics object reconstructed from real-world data often contains undesirable noise and small-scale oscillations. An important problem is how to remove the noise and os...
GMP
2000
IEEE
14 years 3 months ago
2000
IEEE
This paper is concerned with “open kernel” geometric modelling systems. It uses industrial needs to identify requirements for the geometric objects of a proposed interface. Th...
GMP
2002
IEEE
14 years 3 months ago
2002
IEEE
GMP
2002
IEEE
14 years 3 months ago
2002
IEEE
Implicit surfaces in 3D geometric modeling are limited to two manifolds because the corresponding implicit fields are usually defined by real-valued functions which bisect space...
GMP
2002
IEEE
14 years 3 months ago
2002
IEEE
A new computational method that creates a hex-dominant mesh of an arbitrary 3D geometric domain is presented. The proposed method generates a high-quality hexdominant mesh by: (1)...
GMP
2002
IEEE
14 years 3 months ago
2002
IEEE
In this paper, we introduce iterative mean and median filtering schemes for smoothing noisy 3D shapes given as triangle meshes. Our main idea consists of applying mean and median...
GMP
2002
IEEE
14 years 3 months ago
2002
IEEE
We present new results on classifying the morphology of the nonsingular intersection curve of two quadrics by studying the roots of the characteristic equation, or the discriminan...
GMP
2002
IEEE
14 years 3 months ago
2002
IEEE
A contour sub-division algorithm on each layer arising from slicing a heterogeneous object is proposed. Within each slice, the material grading is decomposed into subcontours acco...
GMP
2002
IEEE
14 years 3 months ago
2002
IEEE
Three methods are proposed to construct a piecewise Hermite interpolation surface (PHIS), which is a piecewise algebraic surface interpolating a set of given points with associated...