Sciweavers

1063 search results - page 5 / 213
» Capacity of steganographic channels
Sort
View
TIT
2010
81views Education» more  TIT 2010»
13 years 2 months ago
Generalizing capacity: new definitions and capacity theorems for composite channels
We consider three capacity definitions for composite channels with channel side information at the receiver. A composite channel consists of a collection of different channels with...
Michelle Effros, Andrea J. Goldsmith, Yifan Liang
CORR
2008
Springer
128views Education» more  CORR 2008»
13 years 7 months ago
Informed stego-systems in active warden context: statistical undetectability and capacity
Several authors have studied stego-systems based on Costa scheme, but just a few ones gave both theoretical and experimental justifications of these schemes performance in an activ...
Sofiane Braci, Claude Delpha, Rémy Boyer, G...
ICASSP
2009
IEEE
14 years 2 months ago
Complete characterization of perfectly secure stego-systems with mutually independent embedding operation
Without any assumption on the cover source, this paper presents a complete characterization of all perfectly secure stego-systems that employ mutually independent embedding operat...
Tomás Filler, Jessica J. Fridrich
TIT
2010
99views Education» more  TIT 2010»
13 years 2 months ago
Capacity of Channels With Action-Dependent States
We consider channels with action-dependent states: Given the message to be communicated, the transmitter chooses an action sequence that affects the formation of the channel state...
Tsachy Weissman
IJNSEC
2007
194views more  IJNSEC 2007»
13 years 7 months ago
Covert Channel Forensics on the Internet: Issues, Approaches, and Experiences
The exponential growth of the Internet (WWW in particular) has opened-up several avenues for covert channel communication. Steganographic communication is one such avenue. Hiding ...
Ashish Patel, M. Shah, Rajarathnam Chandramouli, K...