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SCALESPACE
2007
Springer
13 years 11 months ago
Linear Image Reconstruction by Sobolev Norms on the Bounded Domain
The reconstruction problem is usually formulated as a variational problem in which one searches for that image that minimizes a so called prior (image model) while insisting on cer...
Bart Janssen, Remco Duits, Bart M. ter Haar Romeny
JAT
2007
100views more  JAT 2007»
13 years 4 months ago
A Sobolev-type upper bound for rates of approximation by linear combinations of Heaviside plane waves
Quantitative bounds on rates of approximation by linear combinations of Heaviside plane waves are obtained for sufficiently differentiable functions f which vanish rapidly enough...
Paul C. Kainen, Vera Kurková, Andrew Vogt
ICIP
2007
IEEE
13 years 11 months ago
Infinity-Norm Rotation for Reversible Data Hiding
In this paper, we propose a novel transform that preserves the dynamic range—infinity-norm rotation. This transform is perfectly reversible and piecewise linear, and keeps the m...
Lei Yang, Pengwei Hao
SCL
2011
12 years 7 months ago
Regularity issues for the null-controllability of the linear 1-d heat equation
The fact that the heat equation is controllable to zero in any bounded domain of the euclidean space, any time T > 0 and from any open subset of the boundary is well known. On ...
Sorin Micu, Enrique Zuazua