51 search results - page 5 / 11 » EK-SVD: Optimized dictionary design for sparse representatio... |
ICASSP
2011
IEEE
14 years 3 months ago
2011
IEEE
Perceptual image quality assessment (IQA) and sparse signal representation have recently emerged as high-impact research topics in the field of image processing. Here we make one...
124
click to vote
PAMI
2012
13 years 2 months ago
2012
—Modeling data with linear combinations of a few elements from a learned dictionary has been the focus of much recent research in machine learning, neuroscience, and signal proce...
103
click to vote
CVPR
2012
IEEE
13 years 2 months ago
2012
IEEE
In this paper, we propose a bilevel sparse coding model for coupled feature spaces, where we aim to learn dictionaries for sparse modeling in both spaces while enforcing some desi...
182
click to vote
ICCV
2011
IEEE
13 years 11 months ago
2011
IEEE
This paper proposes a novel sparse representation model called centralized sparse representation (CSR) for image restoration tasks. In order for faithful image reconstruction, it ...
113
click to vote
CVPR
2008
IEEE
14 years 11 months ago
2008
IEEE
We propose a joint representation and classification framework that achieves the dual goal of finding the most discriminative sparse overcomplete encoding and optimal classifier p...