61 search results - page 4 / 13 » Detecting hidden messages using higher-order statistical mod... |
ICPR
2008
IEEE
14 years 1 months ago
2008
IEEE
This paper presents a method for monitoring activities at a ticket vending machine in a video-surveillance context. Rather than relying on the output of a tracking module, which i...
ESWA
2007
13 years 7 months ago
2007
Hidden Markov Models, or HMMs for short, have been recently used in Bioinformatics for the classification of DNA or protein chains, giving rise to what is known as Profile Hidde...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
The maximum a posteriori (MAP) criterion is broadly used in the statistical model-based voice activity detection (VAD) approaches. In the conventional MAP criterion, however, the ...
TCSV
2008
13 years 7 months ago
2008
Abstract--This work is dedicated to a statistical trajectorybased approach addressing two issues related to dynamic video content understanding: recognition of events and detection...
MMSEC
2005
ACM
14 years 28 days ago
2005
ACM
We propose a general framework for the detection of the LSB steganography using digital media files as cover objects. The new framework exploits high-order statistics of the samp...