19 search results - page 4 / 4 » Asymptotics of greedy energy points |
INFOCOM
2006
IEEE
13 years 11 months ago
2006
IEEE
— Before a sensor network is deployed, it is important to determine how many sensors are required to achieve a certain coverage degree. The number of sensor required for maintain...
INFOCOM
2010
IEEE
13 years 3 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 ...
TWC
2008
13 years 5 months ago
2008
In wireless ad hoc networks, autonomous nodes are reluctant to forward others' packets because of the nodes' limited energy. However, such selfishness and noncooperation ...
SCALESPACE
2007
Springer
13 years 11 months ago
2007
Springer
This paper presents a statistical model for textures that uses a non-negative decomposition on a set of local atoms learned from an exemplar. This model is described by the varianc...