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» On the reconstruction of perfect codes
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TCOM
2008
153views more  TCOM 2008»
14 years 9 months ago
Blind estimation and detection of space-time trellis coded transmissions over the Rayleigh fading MIMO channel
We present a joint channel estimation and detection method of space-time trellis codes (STTC) in the context of an unknown flat fading multiple-input multiple-output (MIMO) channel...
Frédéric Lehmann
ARCS
2006
Springer
15 years 1 months ago
Error-Correcting Codes in Steganography
: We investigate image steganography under re-encoding of images. After a secret message or a digital watermark is embedded into a jpeg image, quite frequently the image is re-enco...
Jörg Keller, Johannes Magauer
MVA
1990
14 years 10 months ago
Determining Surface Orientation by Uni-directional Photometric Flow Fields
In the Shape from Shading methods, an extended approach named Uni-directional Photometric Flow Fields is proposed in this paper. The reflectance property of the surface material i...
Hidekazu Tanaka, Yuji Iwahori, Naohiro Ishii
CAGD
2005
96views more  CAGD 2005»
14 years 9 months ago
Single-knot wavelets for non-uniform B-splines
We propose a flexible and efficient wavelet construction for non-uniform B-spline curves and surfaces. The method allows to remove knots in arbitrary order minimizing the displace...
Martin Bertram
ICIP
2009
IEEE
14 years 7 months ago
Randomness-in-Structured Ensembles for compressed sensing of images
Leading compressed sensing (CS) methods require m = O (k log(n)) compressive samples to perfectly reconstruct a k-sparse signal x of size n using random projection matrices (e.g., ...
Abdolreza A. Moghadam, Hayder Radha