895 search results - page 61 / 179 » Using graphs for some discrete tomography problems |
IMR
2004
Springer
14 years 4 months ago
2004
Springer
This paper presents a generic approach to mesh global optimization via node movement, based on a discrete graph-theoretic model. Mesh is considered as an electric system with lump...
SPAA
2009
ACM
14 years 11 months ago
2009
ACM
Informative labeling schemes consist in labeling the nodes of graphs so that queries regarding any two nodes (e.g., are the two nodes adjacent?) can be answered by inspecting mere...
WWW
2008
ACM
14 years 11 months ago
2008
ACM
In this paper, we formalize the problem of Basic Graph Pattern (BGP) optimization for SPARQL queries and main memory graph implementations of RDF data. We define and analyze the c...
CVPR
2008
IEEE
15 years 29 days ago
2008
IEEE
Graph cut is a popular technique for interactive image segmentation. However, it has certain shortcomings. In particular, graph cut has problems with segmenting thin elongated obj...
DAGSTUHL
2007
14 years 12 days ago
2007
One of the standard basic steps in drawing hierarchical graphs is to invert some arcs of the given graph to make the graph acyclic. We discuss exact and parameterized algorithms fo...