433 search results - page 67 / 87 » A greedy approximation algorithm for the group Steiner probl... |
DIALM
2005
ACM
13 years 10 months ago
2005
ACM
Reducing interference is one of the main challenges in wireless communication, and particularly in ad hoc networks. The amount of interference experienced by a node v corresponds ...
ICML
2010
IEEE
13 years 9 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,...
EMMCVPR
2011
Springer
12 years 8 months ago
2011
Springer
In this work, we are concerned with the detection of multiple objects in an image. We demonstrate that typically applied objectives have the structure of a random field model, but...
INFOCOM
2010
IEEE
13 years 7 months ago
2010
IEEE
— Self-monitoring the sensor statuses such as liveness, node density and residue energy is critical for maintaining the normal operation of the sensor network. When building the ...
DCOSS
2008
Springer
13 years 10 months ago
2008
Springer
When a sensor network is deployed in the field it is typically required to support multiple simultaneous missions, which may start and finish at different times. Schemes that match...