785 search results - page 80 / 157 » An Algebra of Hierarchical Graphs |
CC
2006
Springer
13 years 11 months ago
2006
Springer
Abstract. We study the complexity of the isomorphism and automorphism problems for finite rings. We show that both integer factorization and graph isomorphism reduce to the problem...
GBRPR
2007
Springer
14 years 5 months ago
2007
Springer
We introduce a method for computing homology groups and their generators of a 2D image, using a hierarchical structure i.e. irregular graph pyramid. Starting from an image, a hiera...
ACSAC
2005
IEEE
14 years 4 months ago
2005
IEEE
In this paper, we present techniques for a network forensics analysis mechanism that includes effective evidence presentation, manipulation and automated reasoning. We propose the...
ICIP
2006
IEEE
15 years 23 days ago
2006
IEEE
We present a semi-automatic segmentation technique of the anatomical structures of the brain: cerebrum, cerebellum, and brain stem. The method uses graph cuts segmentation with an...
AUSAI
2009
Springer
14 years 5 months ago
2009
Springer
In the era of information explosion, structured data emerge on a large scale. As a description of structured data, network has drawn attention of researchers in many subjects. Netw...