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ALGORITHMICA
2004
112views more  ALGORITHMICA 2004»
15 years 7 months ago
Maximum Cardinality Search for Computing Minimal Triangulations of Graphs
Abstract. We present a new algorithm, called MCS-M, for computing minimal triangulations of graphs. LexBFS, a seminal algorithm for recognizing chordal graphs, was the genesis for ...
Anne Berry, Jean R. S. Blair, Pinar Heggernes, Bar...
ACCV
2007
Springer
16 years 1 months ago
Calibrating Pan-Tilt Cameras with Telephoto Lenses
Abstract. Pan-tilt cameras are widely used in surveillance networks. These cameras are often equipped with telephoto lenses to capture objects at a distance. Such a camera makes fu...
Xinyu Huang, Jizhou Gao, Ruigang Yang
EVOW
2007
Springer
16 years 1 months ago
An Online EHW Pattern Recognition System Applied to Face Image Recognition
An evolvable hardware (EHW) architecture for high-speed pattern recognition has been proposed. For a complex face image recognition task, the system demonstrates (in simulation) an...
Kyrre Glette, Jim Torresen, Moritoshi Yasunaga
SEMWEB
2007
Springer
16 years 1 months ago
A Fuzzy Ontology-Approach to improve Semantic Information Retrieval
This paper shows how a Fuzzy Ontology based approach can improve semantic documents retrieval. After formally defining a Fuzzy Knowledge Base, it is discussed a special type of ne...
Silvia Calegari, Elie Sanchez
APPROX
2007
Springer
80views Algorithms» more  APPROX 2007»
15 years 11 months ago
Coarse Differentiation and Multi-flows in Planar Graphs
We show that the multi-commodity max-flow/min-cut gap for series-parallel graphs can be as bad as 2, matching a recent upper bound [8] for this class, and resolving one side of a ...
James R. Lee, Prasad Raghavendra