2438 search results - page 12 / 488 » Consistent Gradient Operators |
ICML
2003
IEEE
15 years 10 months ago
2003
IEEE
Convex programming involves a convex set F Rn and a convex cost function c : F R. The goal of convex programming is to find a point in F which minimizes c. In online convex prog...
ICIP
2007
IEEE
15 years 3 months ago
2007
IEEE
In a wide variety of imaging applications (especially medical imaging), we obtain a partial set or subset of the Fourier transform of an image. From these Fourier measurements, we...
VLDB
2001
ACM
15 years 2 months ago
2001
ACM
Constrained gradient analysis (similar to the “cubegrade” problem posed by Imielinski, et al. [9]) is to extract pairs of similar cell characteristics associated with big chan...
CRV
2008
IEEE
15 years 4 months ago
2008
IEEE
We propose an efficient technique for normal map acquisition, using a cheap and easy to build setup. Our setup consists solely of off-the-shelf components, such as an LCD screen,...
JMIV
2007
14 years 9 months ago
2007
A variational approach to image or video segmentation consists in defining an energy depending on local or global image characteristics, the minimum of which being reached for ob...