9 search results - page 1 / 2 » Approximation of functions over redundant dictionaries using... |
SODA
2003
ACM
14 years 7 days ago
2003
ACM
TSP
2008
13 years 10 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...
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,...
SIBGRAPI
2007
IEEE
14 years 5 months ago
2007
IEEE
This paper proposes a model-based methodology for recognizing and tracking objects in digital image sequences. Objects are represented by attributed relational graphs (or ARGs), w...
ICA
2010
Springer
13 years 12 months ago
2010
Springer
Two-photon calcium imaging is an emerging experimental technique that enables the study of information processing within neural circuits in vivo. While the spatial resolution of th...