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DCC
2010
IEEE
14 years 1 months ago
Block Compressed Sensing of Images Using Directional Transforms
Block-based random image sampling is coupled with a projectiondriven compressed-sensing recovery that encourages sparsity in the domain of directional transforms simultaneously wi...
Sungkwang Mun, James E. Fowler
DCC
2010
IEEE
14 years 1 months ago
A Symbolic Dynamical System Approach to Lossy Source Coding with Feedforward
It is known that modeling an information source via a symbolic dynamical system evolving over the unit interval, leads to a natural lossless compression scheme attaining the entro...
Ofer Shayevitz
DCC
2010
IEEE
14 years 1 months ago
An MCMC Approach to Lossy Compression of Continuous Sources
Motivated by the Markov chain Monte Carlo (MCMC) relaxation method of Jalali and Weissman, we propose a lossy compression algorithm for continuous amplitude sources that relies on...
Dror Baron, Tsachy Weissman
DCC
2010
IEEE
13 years 6 months ago
On multiple caps in finite projective spaces
In this paper, we consider new results on (k, n)-caps with n > 2. We provide a lower bound on the size of such caps. Furthermore, we generalize two product constructions for (k,...
Yves Edel, Ivan N. Landjev
DCC
2010
IEEE
13 years 4 months ago
Bidirectional Delta Files
This paper introduces a new method called Bidirectional Delta file, which is to construct a two way delta file out of two given files. Previous work focuses on forwards and back...
Dana Shapira, Michael Kats