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ICIP
2007
IEEE
15 years 1 months ago
On Optimal Watermarking Schemes in Uncertain Gaussian Channels
This paper describes the analytical derivation of a new watermarking algorithm satisfying optimality properties when the distortion of the watermarked signal is caused by a Gaussi...
Alvaro A. Cárdenas, George V. Moustakides, ...
WACV
2005
IEEE
15 years 3 months ago
Mapping the Physical Properties of Cosmic Hot Gas with Hyper-Spectral Imaging
A novel inversion technique is proposed to compute parametric maps showing the temperature, density and chemical composition of cosmic hot gas from X-ray hyper-spectral images. Th...
Mark O'Dwyer, Ela Claridge, Trevor Ponman, Somak R...
JMIV
2006
112views more  JMIV 2006»
14 years 9 months ago
Improving Deriche-style Recursive Gaussian Filters
Gaussian smoothing filters and Gaussian derivative filters can be estimated by recursive IIR filters, as shown by Deriche [3, 4]. The design of those filters does, however, not enf...
Gunnar Farnebäck, Carl-Fredrik Westin
DAM
1999
70views more  DAM 1999»
14 years 9 months ago
On Maximal Shadows of Members in Left-compressed Sets
Whereas Stanley, Proctor and others studied Sperner properties of the poset L(k; m) we consider shadows of left-compressed sets and derive asymptotic bounds on their sizes. ? 1999...
Rudolf Ahlswede, Zhen Zhang
LFCS
1994
Springer
15 years 1 months ago
Comparing Cubes
We study the cube of type assignment systems, as introduced in [13], and confront it with Barendregt's typed -cube [4]. The first is obtained from the latter through applying...
Steffen van Bakel, Luigi Liquori, Simona Ronchi De...