61 search results - page 2 / 13 » Detecting hidden messages using higher-order statistical mod... |
ICMCS
2006
IEEE
13 years 11 months ago
2006
IEEE
The detection of LSB steganography is a question of common interest in the research of steganalysis techniques. In this paper, the distribution of the difference between the curre...
ICMLA
2007
13 years 7 months ago
2007
In modern business, educational, and other settings, it is common to provide a digital network that interconnects hardware devices for shared access by the users (e.g., in an of...
SSWMC
2004
13 years 7 months ago
2004
Steganographic messages can be embedded into digital images in ways that are imperceptible to the human eye. These messages, however, alter the underlying statistics of an image. ...
WIAMIS
2009
IEEE
14 years 9 days ago
2009
IEEE
We propose a novel statistical approach to detect defects in digitized archive film by using temporal information across a number of frames modeled with an HMM. The HMM is traine...
ICPR
2006
IEEE
14 years 6 months ago
2006
IEEE
This paper presents an event detector for emergencies in crowds. Assuming a single camera and a dense crowd we rely on optical flow instead of tracking statistics as a feature to ...