909 search results - page 63 / 182 » Reversible data hiding |
TIFS
2008
13 years 10 months ago
2008
We investigate the use of chaotic-type features for recorded speech steganalysis. Considering that data hiding within a speech signal distorts the chaotic properties of the origina...
PODS
2008
ACM
14 years 10 months ago
2008
ACM
A schema mapping is a specification that describes how data from a source schema is to be mapped to a target schema. Once the data has been transferred from the source to the targ...
ICDE
2006
IEEE
14 years 4 months ago
2006
IEEE
Several randomized techniques have been proposed for privacy preserving data mining of continuous data. These approaches generally attempt to hide the sensitive data by randomly m...
IV
2005
IEEE
14 years 3 months ago
2005
IEEE
The visual analysis of time dependent data is an essential task in many application fields. However, visualizing large time dependent data collected within a spatial context is st...
DEXA
2005
Springer
14 years 3 months ago
2005
Springer
In relational database systems a combination of privileges and views is employed to limit a user’s access and to hide non-public data. The data privacy problem is to decide wheth...