Sciweavers

151 search results - page 16 / 31
» Optimal (2, n) visual cryptographic schemes
Sort
View
IJCV
2007
194views more  IJCV 2007»
15 years 6 months ago
Self-Invertible 2D Log-Gabor Wavelets
Orthogonal and biorthogonal wavelets became very popular image processing tools but exhibit major drawbacks, namely a poor resolution in orientation and the lack of translation inv...
Sylvain Fischer, Filip Sroubek, Laurent Perrinet, ...
EMMCVPR
2011
Springer
14 years 6 months ago
Curvature Regularization for Curves and Surfaces in a Global Optimization Framework
Length and area regularization are commonplace for inverse problems today. It has however turned out to be much more difficult to incorporate a curvature prior. In this paper we pr...
Petter Strandmark, Fredrik Kahl
CRYPTO
2010
Springer
228views Cryptology» more  CRYPTO 2010»
15 years 7 months ago
On Generalized Feistel Networks
We prove beyond-birthday-bound security for most of the well-known types of generalized Feistel networks: (1) unbalanced Feistel networks, where the n-bit to m-bit round functions ...
Viet Tung Hoang, Phillip Rogaway
ACISP
2004
Springer
16 years 1 days ago
Single Database Private Information Retrieval with Logarithmic Communication
In this paper, we study the problem of single database private information retrieval, and present schemes with only logarithmic server-side communication complexity. Previously th...
Yan-Cheng Chang
ICIP
2004
IEEE
16 years 8 months ago
On information hiding with incomplete information about steganalysis
Suppose the information hider has a set of information hiding schemes to be employed in the presence of a set of steganalysis detectors. Let the information hider have only an inc...
Rajarathnam Chandramouli