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MMSEC
2006
ACM
148views Multimedia» more  MMSEC 2006»
15 years 3 months ago
Minimizing the embedding impact in steganography
In this paper, we study the trade-off in steganography between the number of embedding changes and their amplitude. We assume that each element of the cover image is assigned a sc...
Jessica J. Fridrich
CHI
2004
ACM
15 years 3 months ago
Focus+Context sketching on a pocket PC
Current Personal Digital Assistants (PDAs) such as Pocket PCs provide little support for sketching. This is due, no doubt, to the limited screen size and relatively poor resolutio...
Edward Lank, Son Phan
DRM
2004
Springer
15 years 3 months ago
Tamper detection and localization for categorical data using fragile watermarks
Today, database relations are widely used and distributed over the Internet. Since these data can be easily tampered with, it is critical to ensure the integrity of these data. In...
Yingjiu Li, Huiping Guo, Sushil Jajodia
89
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GLOBECOM
2008
IEEE
14 years 9 months ago
Energy Efficient Estimation of Gaussian Sources over Inhomogeneous Gaussian MAC Channels
In this paper, we first provide a joint source and channel coding (JSCC) approach in estimating Gaussian sources over Gaussian MAC channels, as well as its sufficient and necessary...
Shuangqing Wei, Rajgopal Kannan, S. Sitharama Iyen...
MVA
2007
285views Computer Vision» more  MVA 2007»
14 years 9 months ago
Contour Retrieval and Matching by Affine Invariant Fourier Descriptors
In the image plane, a 3 Dimensional movement of planar rigid object can be represented satisfactory by an affine motion of his boundary (the exterior contour) which we assume to b...
Fatma Chaker, M. Tarak Bannour, Faouzi Ghorbel