107 search results - page 15 / 22 » A Simple Algorithm for Ordering and Compression of Vector Co... |
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...
GLOBECOM
2006
IEEE
14 years 1 months ago
2006
IEEE
Abstract—We consider the distributed estimation of an unknown vector signal in a resource constrained sensor network with a fusion center. Due to power and bandwidth limitations,...
TIT
2010
13 years 2 months ago
2010
Orthogonal matching pursuit (OMP) is the canonical greedy algorithm for sparse approximation. In this paper we demonstrate that the restricted isometry property (RIP) can be used f...
PERCOM
2010
ACM
13 years 5 months ago
2010
ACM
Connectivity monitoring is useful in practical deployment of wireless sensor network. In order to understand the behavior and performance bottleneck, knowledge of the network conn...
ICDM
2008
IEEE
14 years 1 months ago
2008
IEEE
The problem of selecting small groups of itemsets that represent the data well has recently gained a lot of attention. We approach the problem by searching for the itemsets that c...