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MMSEC
2004
ACM
137views Multimedia» more  MMSEC 2004»
15 years 11 months ago
Perturbed quantization steganography with wet paper codes
In this paper, we introduce a new approach to passive-warden steganography in which the sender embeds the secret message into a certain subset of the cover object without having t...
Jessica J. Fridrich, Miroslav Goljan, David Soukal
MOBIHOC
2004
ACM
15 years 11 months ago
On the behavior of communication links of a node in a multi-hop mobile environment
In this work, we develop an analytical framework to investigate the behavior of the communication links of a node in a random mobility environment. Analytical expressions characte...
Prince Samar, Stephen B. Wicker
SIGMETRICS
2004
ACM
131views Hardware» more  SIGMETRICS 2004»
15 years 11 months ago
Failure recovery for structured P2P networks: protocol design and performance evaluation
Measurement studies indicate a high rate of node dynamics in p2p systems. In this paper, we address the question of how high a rate of node dynamics can be supported by structured...
Simon S. Lam, Huaiyu Liu
CPM
2004
Springer
110views Combinatorics» more  CPM 2004»
15 years 11 months ago
On the k-Closest Substring and k-Consensus Pattern Problems
Given a set S = {s1, s2, . . . , sn} of strings each of length m, and an integer L, we study the following two problems. k-Closest Substring problem: find k center strings c1, c2,...
Yishan Jiao, Jingyi Xu, Ming Li
GECCO
2004
Springer
15 years 11 months ago
A Step Size Preserving Directed Mutation Operator
Using a directed mutation can improve the efficiency of processing many optimization problems. The first mutation operators of this kind proposed by Hildebrand [1], however, suffer...
Stefan Berlik