1594 search results - page 25 / 319 » Sampling and Reconstruction of Operators |
SDM
2012
SIAM
11 years 10 months ago
2012
SIAM
Low-rank approximations which are computed from selected rows and columns of a given data matrix have attracted considerable attention lately. They have been proposed as an altern...
SSDBM
1990
IEEE
13 years 11 months ago
1990
IEEE
In this paper we survey known results on algorithms, data structures, and some applications of random sampling from databases. We first discuss various reasons for sampling from d...
TMI
2002
13 years 7 months ago
2002
Microwave-induced thermoacoustic tomography (TAT) in a cylindrical configuration is developed to image biological tissue. Thermoacoustic signals are acquired by scanning a flat ult...
TVCG
2008
13 years 7 months ago
2008
We introduce a family of box splines for efficient, accurate and smooth reconstruction of volumetric data sampled on the Body Centered Cubic (BCC) lattice, which is the favorable v...
ICIP
2006
IEEE
14 years 9 months ago
2006
IEEE
Consider the problem of sampling signals which are not bandlimited, but still have a finite number of degrees of freedom per unit of time, such as, for example, piecewise polynomi...