244 search results - page 12 / 49 » On the geometry of polar varieties |
CVPR
2005
IEEE
14 years 9 months ago
2005
IEEE
We introduce a new rational function (RF) model for radial lens distortion in wide-angle and catadioptric lenses, which allows the simultaneous linear estimation of motion and len...
COMGEO
2007
ACM
13 years 7 months ago
2007
ACM
Arrangements of planar curves are fundamental structures in computational geometry. Recently, the arrangement package of Cgal, the Computational Geometry Algorithms Library, has b...
CVPR
2009
IEEE
15 years 2 months ago
2009
IEEE
Estimating the illumination and the reflectance properties
of an object surface from a sparse set of images is an
important but inherently ill-posed problem. The problem
becomes...
PKDD
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. Polytope Faces Pursuit (PFP) is a greedy algorithm that approximates the sparse solutions recovered by 1 regularised least-squares (Lasso) [4,10] in a similar vein to (Or...
SCIA
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. In medical imaging, signals acquired in non-Cartesian coordinate systems are common. For instance, CT and MRI often produce significantly higher resolution within scan p...