160 search results - page 23 / 32 » Sparse decompositions in |
WACV
2005
IEEE
15 years 4 months ago
2005
IEEE
Instead of the conventional background and foreground definition, we propose a novel method that decomposes a scene into time-varying background and foreground intrinsic images. T...
PR
2008
14 years 10 months ago
2008
We describe Nonnegative Double Singular Value Decomposition (NNDSVD), a new method designed to enhance the initialization stage of nonnegative matrix factorization (NMF). NNDSVD c...
178
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CNSR
2011
IEEE
14 years 2 months ago
2011
IEEE
—Network delay is a crucial metric for evaluating the state of the network. We present in this paper a structural analysis of network delay, based on delay measurements of a back...
119
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ISCAS
2008
IEEE
15 years 4 months ago
2008
IEEE
— Non-negative matrix factorization (NMF), i.e. V ≈ WH where both V, W and H are non-negative has become a widely used blind source separation technique due to its part based r...
79
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BMCBI
2010
14 years 10 months ago
2010
Background: Principal component analysis (PCA) has gained popularity as a method for the analysis of highdimensional genomic data. However, it is often difficult to interpret the ...