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MEDIAFORENSICS
2010
15 years 6 months ago
Minimizing embedding impact in steganography using trellis-coded quantization
In this paper, we propose a practical approach to minimizing embedding impact in steganography based on syndrome coding and trellis-coded quantization and contrast its performance...
Tomás Filler, Jan Judas, Jessica J. Fridric...
STOC
2007
ACM
132views Algorithms» more  STOC 2007»
16 years 5 months ago
On the convergence of Newton's method for monotone systems of polynomial equations
Monotone systems of polynomial equations (MSPEs) are systems of fixed-point equations X1 = f1(X1, . . . , Xn), . . . , Xn = fn(X1, . . . , Xn) where each fi is a polynomial with p...
Stefan Kiefer, Michael Luttenberger, Javier Esparz...
SAC
2002
ACM
15 years 4 months ago
Choice of wavelet smoothness, primary resolution and threshold in wavelet shrinkage
This article introduces a fast cross-validation algorithm that performs wavelet shrinkage on data sets of arbitrary size and irregular design and also simultaneously selects good ...
Guy P. Nason
ACMSE
2007
ACM
15 years 8 months ago
Chinese remainder theorem based group key management
In this paper, we present two new centralized group key management protocols based on the Chinese Remainder Theorem (CRT). By shifting more computing load onto the key server we o...
Xinliang Zheng, Chin-Tser Huang, Manton M. Matthew...
BMCBI
2010
129views more  BMCBI 2010»
15 years 4 months ago
The LabelHash Algorithm for Substructure Matching
Background: There is an increasing number of proteins with known structure but unknown function. Determining their function would have a significant impact on understanding diseas...
Mark Moll, Drew H. Bryant, Lydia E. Kavraki