947 search results - page 61 / 190 » Discrete Geometry |
CGF
2000
14 years 9 months ago
2000
We present a technique for accelerating the rendering of high depth-complexity scenes. In a preprocessing stage, we approximate the input model with a hierarchical data structure ...
TIP
2011
14 years 4 months ago
2011
Abstract—Image reconstruction from its projections is a necessity in many applications such as medical (CT), security, inspection, and others. This paper extends the 2-D Fan-beam...
COMPGEOM
2001
ACM
15 years 1 months ago
2001
ACM
We propose a new randomized algorithm for maintaining a set of clusters among moving nodes in the plane. Given a specified cluster radius, our algorithm selects and maintains a va...
COMPGEOM
1999
ACM
15 years 2 months ago
1999
ACM
We propose a speed-up method for discrete-event simulations, including sweep-line or -plane techniques, requiring the repeated calculation of the times at which certain discrete e...
ICCV
2003
IEEE
15 years 11 months ago
2003
IEEE
In this paper we consider the images taken from pairs of parabolic catadioptric cameras separated by discrete motions. Despite the nonlinearity of the projection model, the epipol...