105 search results - page 5 / 21 » Curves and surfaces represented by polynomial support functi... |
ICIP
2002
IEEE
14 years 9 months ago
2002
IEEE
The approximation of surfaces to scattered data is an important problem encountered in a variety of scientific applications, such as reverse engineering, computer vision, computer...
SIGGRAPH
1992
ACM
13 years 11 months ago
1992
ACM
This paper discusses a new, symbolic approach to geometric modeling called generative modeling. The approach allows specification, rendering, and analysis of a wide variety of sha...
VISSYM
2003
13 years 8 months ago
2003
We show how to extract a contour line (or isosurface) from quadratic elements—specifically from quadratic triangles and tetrahedra. We also devise how to transform the resultin...
SIGGRAPH
1991
ACM
13 years 11 months ago
1991
ACM
The finite element method is applied to generate primitives that build continuous deformable shapes designed to support a new free-form modeling paradigm. The primitives autonomou...
CGF
1999
13 years 7 months ago
1999
This work explores how three techniques for defining and representing curves and surfaces can be related efficiently. The techniques are subdivision, least-squares data fitting, a...