51 search results - page 6 / 11 » EK-SVD: Optimized dictionary design for sparse representatio... |
CORR
2008
Springer
14 years 11 months ago
2008
Springer
1 Recently, great attention was intended toward overcomplete dictionaries and the sparse representations they can provide. In a wide variety of signal processing problems, sparsity...
130
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CVPR
2010
IEEE
15 years 2 months ago
2010
IEEE
A clustering framework within the sparse modeling and dictionary learning setting is introduced in this work. Instead of searching for the set of centroid that best fit the data, ...
101
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ICIP
2009
IEEE
16 years 21 days ago
2009
IEEE
Sparse Orthonormal Transforms (SOT) has recently been proposed as a data compression method that can achieve sparser representations in transform domain. Given initial conditions,...
DAS
2010
Springer
15 years 3 months ago
2010
Springer
A novel text extraction method from graphical document images is presented in this paper. Graphical document images containing text and graphics components are considered as two-d...
ICASSP
2010
IEEE
14 years 12 months ago
2010
IEEE
We propose an ℓ1 criterion for dictionary learning for sparse signal representation. Instead of directly searching for the dictionary vectors, our dictionary learning approach i...