61 search results - page 1 / 13 » Detecting hidden messages using higher-order statistical mod... |
ICIP
2002
IEEE
14 years 6 months ago
2002
IEEE
Techniques for informationhidinghave become increasingly more sophisticated and widespread. With high-resolution digital images as carriers, detecting hidden messages has become c...
DSP
2006
13 years 4 months ago
2006
We address the problem of detecting the presence of hidden messages in audio. The detector is based on the characteristics of the denoised residuals of the audio file, which may c...
TIP
2010
12 years 11 months ago
2010
This paper proposes an approach for recognizing human activities (more specifically, pedestrian trajectories) in video sequences, in a surveillance context. A system for automatic ...
MMSEC
2005
ACM
13 years 10 months ago
2005
ACM
Image steganalysis so far has dealt only with detection of a hidden message and estimation of some of its parameters (e.g., message length and secret key). To our knowledge, so fa...
IWCMC
2006
ACM
13 years 11 months ago
2006
ACM
In an era of cooperating ad hoc networks and pervasive wireless connectivity, we are becoming more vulnerable to malicious attacks. Many of these attacks are silent in nature and ...