166 search results - page 13 / 34 » Boundary recognition in sensor networks by topological metho... |
ITCC
2005
IEEE
15 years 3 months ago
2005
IEEE
— Several problems are required to be fixed in order to apply geographical routing protocol Greedy Perimeter Stateless Routing (GPSR) in wireless sensor networks. First, GPSR is...
NTMS
2009
IEEE
15 years 4 months ago
2009
IEEE
— Performance of Wireless Sensor Networks (WSNs) can be affected when the network is deployed under different topologies. In this paper we present a performance study of congesti...
WSNA
2003
ACM
15 years 2 months ago
2003
ACM
Motivated by realistic sensor network scenarios that have mis-informed nodes and variable network topologies, we propose a fundamentally different approach to routing that combine...
ICC
2007
IEEE
15 years 3 months ago
2007
IEEE
We propose a Polynomial-based scheme that addresses the problem of Event Region Detection (PERD) for wireless sensor networks (WSNs). Nodes of an aggregation tree perform function ...
ICDAR
2009
IEEE
15 years 4 months ago
2009
IEEE
We present a new approach for recognition of complex graphic symbols in technical documents. Graphic symbol recognition is a well known challenge in the field of document image an...