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VTC
2007
IEEE
15 years 4 months ago
Optimum Tree-Based Topologies for Multi-Sink Wireless Sensor Networks Using IEEE 802.15.4
— This paper investigates the topology formation mechanisms provided by IEEE 802.15.4 to create tree-based topologies, in the context of a multi-sink wireless sensor network. The...
Chiara Buratti, Francesca Cuomo, Sara Della Luna, ...
COCOON
2005
Springer
15 years 3 months ago
Fault-Tolerant Relay Node Placement in Wireless Sensor Networks
The paper addresses the relay node placement problem in two-tiered wireless sensor networks. Given a set of sensor nodes in an Euclidean plane, our objective is to place minimum nu...
Hai Liu, Peng-Jun Wan, Xiaohua Jia
ESA
2005
Springer
89views Algorithms» more  ESA 2005»
15 years 3 months ago
Experimental Study of Geometric t-Spanners
Abstract. The construction of t-spanners of a given point set has received a lot of attention, especially from a theoretical perspective. In this paper we perform the first extens...
Mohammad Farshi, Joachim Gudmundsson
ITCC
2002
IEEE
15 years 2 months ago
Euler Vector: A Combinatorial Signature for Gray-Tone Images
A new combinatorial characterization of a gray-tone image called Euler Vector is proposed. Euler number of a binary image is a well-known topological feature, which remains invari...
Arijit Bishnu, Bhargab B. Bhattacharya, Malay Kuma...
SODA
1996
ACM
121views Algorithms» more  SODA 1996»
14 years 11 months ago
Optimal Placement of Convex Polygons to Maximize Point Containment
Given a convex polygon P with m vertices and a set S of n points in the plane, we consider the problem of nding a placement of P that contains the maximum number of points in S. W...
Matthew Dickerson, Daniel Scharstein