143 search results - page 2 / 29 » Quick Approximation to Matrices and Applications |
IDEAL
2010
Springer
13 years 4 months ago
2010
Springer
: Covariance matrices capture correlations that are invaluable in modeling real-life datasets. Using all d2 elements of the covariance (in d dimensions) is costly and could result ...
TIT
2010
13 years 1 months ago
2010
Compressed sensing (CS) has recently emerged as a powerful signal acquisition paradigm. In essence, CS enables the recovery of high-dimensional sparse signals from relatively few ...
HYBRID
2004
Springer
14 years 9 days ago
2004
Springer
The joint spectral radius of a set of matrices is a measure of the maximal asymptotic growth rate that can be obtained by forming long products of matrices taken from the set. This...
AUTOMATICA
2011
12 years 10 months ago
2011
Exploiting spectral properties of symmetric banded Toeplitz matrices, we describe simple sufficient conditions for positivity of a trigonometric polynomial formulated as linear ma...
CVPR
2010
IEEE
14 years 3 months ago
2010
IEEE
Image matting is of great importance in both computer vision and graphics applications. Most existing state-of-the-art techniques rely on large sparse matrices such as the matting ...