732 search results - page 76 / 147 » Testing Geometric Convexity |
IGARSS
2009
13 years 7 months ago
2009
Most available methods for endmember extraction use the convexity of the data structure and consider the vertices of the data as the purest pixels. Such methods do not consider th...
SMI
2008
IEEE
14 years 4 months ago
2008
IEEE
The distribution of geometric features is anisotropic by its nature. Intrinsic properties of surfaces such as normal curvatures, for example, varies with direction. In this paper ...
WADS
2007
Springer
14 years 4 months ago
2007
Springer
Range searching is a well known problem in the area of geometric data structures. We consider this problem in the context of approximation, where an approximation parameter ε >...
CGF
2006
13 years 10 months ago
2006
Spline curves are useful in a variety of geometric modeling and graphics applications and covering problems abound in practical settings. This work defines a class of covering dec...
CGF
2007
13 years 10 months ago
2007
We propose a mesh segmentation algorithm via recursive bisection where at each step, a sub-mesh embedded in 3D is first spectrally projected into the plane and then a contour is ...