401 search results - page 41 / 81 » Geometry of Isophote Curves |
137
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CHI
2004
ACM
16 years 2 months ago
2004
ACM
We present an image guided pen-based suggestive interface for sketching 3D wireframe models. Rather than starting from a blank canvas, existing 2D images of similar objects serve ...
129
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COMPGEOM
2001
ACM
15 years 5 months ago
2001
ACM
We present two approaches to the problem of calculating a cell in a 3-dimensional arrangement of quadrics. The first approach solves the problem using rational arithmetic. It work...
144
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COMPGEOM
2001
ACM
15 years 5 months ago
2001
ACM
: Many geometric problems like generalized Voronoi diagrams, medial axis computations and boundary evaluation involve computation and manipulation of non-linear algebraic primitive...
109
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SODA
2010
ACM
15 years 11 months ago
2010
ACM
The Chord algorithm is a popular, simple method for the succinct approximation of curves, which is widely used, under different names, in a variety of areas, such as, multiobjecti...
IMAMS
2003
15 years 3 months ago
2003
We define a parameterization for an n-holed tori based on the hyperbolic polygon. We model the domain using a manifold with 2n+ 2 charts, and linear fractional transformations for...