66 search results - page 1 / 14 » Thresholded smoothed-l0(SL0) dictionary learning for sparse ... |
ICASSP
2009
IEEE
14 years 5 months ago
2009
IEEE
ICA
2010
Springer
13 years 12 months ago
2010
Springer
Abstract. A new dictionary learning method for exact sparse representation is presented in this paper. As the dictionary learning methods often iteratively update the sparse coeffi...
ICASSP
2010
IEEE
13 years 11 months ago
2010
IEEE
In this paper, we suggest to use a steepest descent algorithm for learning a parametric dictionary in which the structure or atom functions are known in advance. The structure of ...
TSP
2010
13 years 5 months ago
2010
Abstract--An efficient and flexible dictionary structure is proposed for sparse and redundant signal representation. The proposed sparse dictionary is based on a sparsity model of ...
ICML
2010
IEEE
13 years 12 months ago
2010
IEEE
We develop an efficient learning framework to construct signal dictionaries for sparse representation by selecting the dictionary columns from multiple candidate bases. By sparse,...