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ICMCS
2008
IEEE
14 years 4 months ago
2008
IEEE
As an important attribute directly influencing the steganographic scheme, the embedding efficiency is defined as the average number of random data bits per one embedding change...
MMSP
2008
IEEE
14 years 4 months ago
2008
IEEE
A new chroma-based dynamic feature vector is proposed inspired by psychophysical observations that the human auditory system detects relative pitch changes rather than absolute pi...
ADHOCNOW
2008
Springer
14 years 4 months ago
2008
Springer
We present 1 − approximation algorithms for the maximum matching problem in location aware unit disc graphs and in growth-bounded graphs. The algorithm for unit disk graph is loc...
COCO
2007
Springer
14 years 4 months ago
2007
Springer
We study semidefinite programming relaxations of Vertex Cover arising from repeated applications of the LS+ “lift-and-project” method of Lovasz and Schrijver starting from th...
ACNS
2006
Springer
14 years 4 months ago
2006
Springer
Abstract. This paper describes a method to convert stateless key revocation schemes based on the subset cover principle into stateful schemes. The main motivation is to reduce the ...