12 search results - page 2 / 3 » Submodular Dictionary Selection for Sparse Representation |
CORR
2011
Springer
12 years 8 months ago
2011
Springer
The richness of natural images makes the quest for optimal representations in image processing and computer vision challenging. The latter observation has not prevented the design...
TSP
2008
13 years 4 months ago
2008
This article introduces the concept of sensing dictionaries. It presents an alteration of greedy algorithms like thresholding or (Orthogonal) Matching Pursuit which improves their...
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
Exemplar-based techniques, such as k-nearest neighbors (kNNs) and Sparse Representations (SRs), can be used to model a test sample from a few training points in a dictionary set. ...
ICIP
2005
IEEE
14 years 6 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 ...
CCIW
2011
Springer
12 years 8 months ago
2011
Springer
The representation model that considers an image as a sparse linear combination of few atoms of a predefined or learned dictionary has received considerable attention in recent ye...