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ICASSP
2011
IEEE
12 years 11 months ago
Median filter with absolute value norm spatial regularization
We provide a novel formulation for computing median filter with spatial regularization as minimizing a cost function composed of absolute value norms. We turn this cost minimizat...
Nilanjan Ray
CP
2001
Springer
14 years 7 days ago
Solving Non-binary CSPs Using the Hidden Variable Encoding
Non-binary constraint satisfaction problems (CSPs) can be solved in two different ways. We can either translate the problem into an equivalent binary one and solve it using well-e...
Nikos Mamoulis, Kostas Stergiou
WG
1994
Springer
13 years 11 months ago
Fugitive-Search Games on Graphs and Related Parameters
The goal of a fugitive-search game on a graph is to trap a fugitive that hides on the vertices of the graph by systematically placing searchers on the vertices. The fugitive is as...
Nick D. Dendris, Lefteris M. Kirousis, Dimitrios M...
INFOCOM
2008
IEEE
14 years 2 months ago
Towards a Theory of Robust Localization Against Malicious Beacon Nodes
—Localization in the presence of malicious beacon nodes is an important problem in wireless networks. Although significant progress has been made on this problem, some fundament...
Sheng Zhong, Murtuza Jadliwala, Shambhu J. Upadhya...
FOCS
1998
IEEE
13 years 12 months ago
The Complexity of Acyclic Conjunctive Queries
This paper deals with the evaluation of acyclic Boolean conjunctive queries in relational databases. By well-known results of Yannakakis [1981], this problem is solvable in polynom...
Georg Gottlob, Nicola Leone, Francesco Scarcello