130 search results - page 19 / 26 » Wavelet based preconditioners for sparse linear systems |
ICC
2008
IEEE
14 years 3 months ago
2008
IEEE
—This paper proposes to use Contourlet transform for image compression and feature extraction for wireless face recognition system. The properties of face images and face recogni...
CORR
2010
Springer
13 years 9 months ago
2010
Springer
A major enterprise in compressed sensing and sparse approximation is the design and analysis of computationally tractable algorithms for recovering sparse, exact or approximate, s...
HIS
2001
13 years 10 months ago
2001
Abstract. Linear Discriminant (LD) techniques are typically used in pattern recognition tasks when there are many (n >> 104 ) datapoints in low-dimensional (d < 102 ) spac...
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
In recent years, sparse representation originating from signal compressed sensing theory has attracted increasing interest in computer vision research community. However, to our b...
CORR
2010
Springer
13 years 9 months ago
2010
Springer
Image data are often composed of two or more geometrically distinct constituents; in galaxy catalogs, for instance, one sees a mixture of pointlike structures (galaxy supercluster...