534 search results - page 13 / 107 » Data Separation by Sparse Representations |
JVCIR
2010
13 years 7 months ago
2010
In order to get an efficient image representation we introduce a new adaptive Haar wavelet transform, called Tetrolet Transform. Tetrolets are Haar-type wavelets whose supports ar...
PRICAI
2010
Springer
13 years 6 months ago
2010
Springer
Unlike traditional classification tasks, multilabel classification allows a sample to associate with more than one label. This generalization naturally arises the difficulty in cla...
CORR
2011
Springer
13 years 4 months ago
2011
Springer
Anisotropic decompositions using representation systems such as curvelets, contourlet, or shearlets have recently attracted significantly increased attention due to the fact that...
CORR
2011
Springer
13 years 3 months ago
2011
Springer
We investigate the recovery of signals exhibiting a sparse representation in a general (i.e., possibly redundant or incomplete) dictionary that are corrupted by additive noise adm...
TSP
2010
13 years 3 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 ...