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COMAD
2008
13 years 9 months ago
The Efficient Maintenance of Access Roles with Role Hiding
Role-based access control (RBAC) has attracted considerable research interest. However, the computational issues of RBAC models are yet to be thoroughly studied. In this paper, we...
Chaoyi Pang, Xiuzhen Zhang, Yanchun Zhang, Kotagir...
ISCAS
2008
IEEE
230views Hardware» more  ISCAS 2008»
14 years 1 months ago
Joint optimization of data hiding and video compression
— From copyright protection to error concealment, video data hiding has found usage in a great number of applications. Recently proposed applications such as privacy data preserv...
Jithendra K. Paruchuri, Sen-Ching S. Cheung
ICMCS
2009
IEEE
134views Multimedia» more  ICMCS 2009»
13 years 5 months ago
Robust lossless data hiding based on block gravity center for selective authentication
Reversible or lossless data hiding enables host media to be restored from marked media without any loss of host information. However, since most of existing lossless data hiding m...
Kyung-Su Kim, Min-Jeong Lee, Young-Ho Suh, Heung-K...

Presentation
945views
13 years 4 months ago
On the use of discrete Pascal transform in hiding data in images
The Discrete Pascal Transform (DPT) has been proved remarkably useful for edge detection, filter design, discrete-time signal interpolation and data hiding. In the present work a n...
ICDE
2010
IEEE
238views Database» more  ICDE 2010»
14 years 2 months ago
Correlation hiding by independence masking
— Extracting useful correlation from a dataset has been extensively studied. In this paper, we deal with the opposite, namely, a problem we call correlation hiding (CH), which is...
Yufei Tao, Jian Pei, Jiexing Li, Xiaokui Xiao, Ke ...