495 search results - page 5 / 99 » Sparse representation algorithms based on mean-field approxi... |
JVCIR
2010
13 years 5 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...
WACV
2012
IEEE
12 years 2 months ago
2012
IEEE
We propose an online algorithm based on local sparse representation for robust object tracking. Local image patches of a target object are represented by their sparse codes with a...
APPROX
2006
Springer
13 years 11 months ago
2006
Springer
We describe a simple random-sampling based procedure for producing sparse matrix approximations. Our procedure and analysis are extremely simple: the analysis uses nothing more th...
ECCV
2010
Springer
13 years 11 months ago
2010
Springer
Sparse coding of sensory data has recently attracted notable attention in research of learning useful features from the unlabeled data. Empirical studies show that mapping the data...
ICIP
2005
IEEE
14 years 8 months ago
2005
IEEE
This paper introduces a sparse signal representation algorithm in redundant dictionaries, called the M-Term Pursuit (MTP), with an application to image representation and scalable ...