419 search results - page 12 / 84 » On the curvature of guided surfaces |
104
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PG
2007
IEEE
15 years 8 months ago
2007
IEEE
A new geometry-based finite difference method for a fast and reliable detection of perceptually salient curvature extrema on surfaces approximated by dense triangle meshes is pro...
ICPR
2004
IEEE
16 years 3 months ago
2004
IEEE
Previous studies of tortuosity were restricted to a curve in 2D or 3D. We propose several measures of surface tortuosity based on surface normals and principal curvatures, and app...
135
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VISUALIZATION
1995
IEEE
15 years 5 months ago
1995
IEEE
We present a method for constructing tensor product Bezier surfaces from contour (cross-section) data. Minimal area triangulations are used to guide the surface construction, and ...
116
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ICPR
2000
IEEE
16 years 2 months ago
2000
IEEE
This paper describes a new method to recover the sign of the local Gaussian curvature at each point on the visible surface of a 3-D object. Multiple (p > 3) shaded images are a...
133
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GRAPHICSINTERFACE
2000
15 years 3 months ago
2000
As modeling and visualization applications proliferate, there arises a need to simplify large polygonal models at interactive rates. Unfortunately existing polygon mesh simplifica...