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CRYPTO
2004
Springer
120views Cryptology» more  CRYPTO 2004»
14 years 3 months ago
Rewriting Variables: The Complexity of Fast Algebraic Attacks on Stream Ciphers
Recently proposed algebraic attacks [2, 6] and fast algebraic attacks [1, 5] have provided the best analyses against some deployed LFSR-based ciphers. The process complexity is exp...
Philip Hawkes, Gregory G. Rose
ICIP
2007
IEEE
14 years 11 months ago
An Efficient Method for Compressed Sensing
Compressed sensing or compressive sampling (CS) has been receiving a lot of interest as a promising method for signal recovery and sampling. CS problems can be cast as convex prob...
Seung-Jean Kim, Kwangmoo Koh, Michael Lustig, Step...
ISBI
2004
IEEE
14 years 10 months ago
Fast Multiresolution Photon-Limited Image Reconstruction
The techniques described in this paper allow multiscale photon-limited image reconstruction methods to be implemented with significantly less computational complexity than previou...
Rebecca Willett, Robert Nowak
CORR
2008
Springer
118views Education» more  CORR 2008»
13 years 10 months ago
Descent methods for Nonnegative Matrix Factorization
In this paper, we present several descent methods that can be applied to nonnegative matrix factorization and we analyze a recently developped fast block coordinate method. We als...
Ngoc-Diep Ho, Paul Van Dooren, Vincent D. Blondel
ISCAS
2005
IEEE
125views Hardware» more  ISCAS 2005»
14 years 3 months ago
Fixed-current method for programming large floating-gate arrays
Speed and Accuracy of programming large floating gate array is limited by precision of current measurement and pulse generator. In this paper a novel floating gate programming m...
Shantanu Chakrabartty, Gert Cauwenberghs