Sciweavers

491 search results - page 31 / 99
» Random Paintbrush Transformation
Sort
View
82
Voted
CIT
2006
Springer
15 years 2 months ago
A new collision resistant hash function based on optimum dimensionality reduction using Walsh-Hadamard transform
Hash functions play the most important role in various cryptologic applications, ranging from data integrity checking to digital signatures. Our goal is to introduce a new hash fu...
Barzan Mozafari, Mohammad Hasan Savoji
ICPR
2004
IEEE
15 years 11 months ago
An Undecimated Wavelet Transform Based Denoising, PPCA Based Pulse Modeling and Detection-Classification of PD Signals
Authors Address the problem of recognition and retrieval of relatively weak industrial signal such as Partial Discharges (PD) buried in excessive noise. The major bottleneck being...
Pradeep Kumar Shetty, T. S. Ramu
SIPS
2007
IEEE
15 years 4 months ago
Systematic Luby Transform Codes and Their Soft Decoding
– Luby Transform codes (LT) were originally designed for the Binary Erasure Channel (BEC) encountered owing to randomly dropped packets in the statistical multiplexing aided clas...
Thanh Dang Nguyen, Lie-Liang Yang, Lajos Hanzo
74
Voted
CORR
2010
Springer
98views Education» more  CORR 2010»
14 years 10 months ago
Linear Operator Channels over Finite Fields
Motivated by random linear network coding, we study the communication through channels, called linear operator channels (LOCs), that perform linear operation over finite fields. Fo...
Shenghao Yang, Siu-Wai Ho, Jin Meng, En-Hui Yang
MA
2010
Springer
143views Communications» more  MA 2010»
14 years 8 months ago
From Archimedean to Liouville copulas
We use a recent characterization of the d-dimensional Archimedean copulas as the survival copulas of d-dimensional simplex distributions (McNeil and Neˇslehov´a (2009)) to const...
Alexander J. McNeil, Johanna Neslehová