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IH
2005
Springer
15 years 7 months ago
On the Intractability of Inverting Geometric Distortions in Watermarking Schemes
We examine the problem of watermarking schemes robust against geometric distortions from a complexity theoretic point of view. The main results presented are polynomial time reduct...
Maciej Liskiewicz, Ulrich Wölfel
ARC
2007
Springer
95views Hardware» more  ARC 2007»
15 years 1 months ago
Time delay systems with distribution dependent dynamics
General delay dynamical systems in which uncertainty is present in the form of probability measure dependent dynamics are considered. Several motivating examples arising in biolog...
H. T. Banks, Sava Dediu, Hoan K. Nguyen
EJC
2006
15 years 1 months ago
Parity reversing involutions on plane trees and 2-Motzkin paths
The problem of counting plane trees with n edges and an even or an odd number of leaves has been recently studied by Eu, Liu and Yeh, in connection with an identity on coloring ne...
William Y. C. Chen, Louis W. Shapiro, Laura L. M. ...
APPML
2005
84views more  APPML 2005»
15 years 1 months ago
Well-posedness in Maxwell systems with distributions of polarization relaxation parameters
We present existence, uniqueness and continuous dependence (with respect to probability distributions on polarization parameters) of solutions in Maxwell systems. This provides a ...
H. T. Banks, Nathan L. Gibson
CAGD
2005
112views more  CAGD 2005»
15 years 1 months ago
A second order algorithm for orthogonal projection onto curves and surfaces
In this paper we analyze an algorithm which solves the point projection and the "inversion" problems for parametric curves and surfaces. It consists of a geometric secon...
Shi-Min Hu, Johannes Wallner