4047 search results - page 553 / 810 » The Discrete Basis Problem |
160
click to vote
ICASSP
2008
IEEE
15 years 11 months ago
2008
IEEE
Recently, significant attention in compressed sensing has been focused on Basis Pursuit, exchanging the cardinality operator with the l1-norm, which leads to a linear formulation...
160
click to vote
ICIP
2008
IEEE
15 years 11 months ago
2008
IEEE
Compressed sensing(CS) suggests that a signal, sparse in some basis, can be recovered from a small number of random projections. In this paper, we apply the CS theory on sparse ba...
151
click to vote
ICPR
2008
IEEE
15 years 11 months ago
2008
IEEE
A mainstay in cancer diagnostics is the classification or grading of cell nuclei based on their appearance. While the analysis of cytological samples has been automated successful...
137
click to vote
ICPR
2008
IEEE
15 years 11 months ago
2008
IEEE
Nonnegative matrix factorization (NMF) has been shown to be an efficient clustering tool. However, NMF`s batch nature necessitates recomputation of whole basis set for new samples...
152
click to vote
ICRA
2008
IEEE
15 years 11 months ago
2008
IEEE
— Object recognition is a challenging problem for artificial systems. This is especially true for objects that are placed in cluttered and uncontrolled environments. To challenge...