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ICANN
2003
Springer
15 years 3 months ago
Sparse Coding with Invariance Constraints
We suggest a new approach to optimize the learning of sparse features under the constraints of explicit transformation symmetries imposed on the set of feature vectors. Given a set...
Heiko Wersing, Julian Eggert, Edgar Körner
PQCRYPTO
2010
187views Cryptology» more  PQCRYPTO 2010»
15 years 1 months ago
Information-Set Decoding for Linear Codes over Fq
The best known non-structural attacks against code-based cryptosystems are based on information-set decoding. Stern’s algorithm and its improvements are well optimized and the co...
Christiane Peters
ICC
2009
IEEE
15 years 4 months ago
Random Linear Network Coding for Time Division Duplexing: Energy Analysis
—We study the energy performance of random linear network coding for time division duplexing channels. We assume a packet erasure channel with nodes that cannot transmit and rece...
Daniel Enrique Lucani, Milica Stojanovic, Muriel M...
TIT
2008
122views more  TIT 2008»
14 years 9 months ago
An Efficient Pseudocodeword Search Algorithm for Linear Programming Decoding of LDPC Codes
Abstract--In linear programming (LP) decoding of a low-density parity-check (LDPC) code one minimizes a linear functional, with coefficients related to log-likelihood ratios, over ...
Michael Chertkov, Mikhail G. Stepanov
EJASMP
2010
114views more  EJASMP 2010»
14 years 4 months ago
Wide-Band Audio Coding Based on Frequency-Domain Linear Prediction
In this paper, we re-visit an original concept of speech coding in which the signal is separated into the carrier modulated by the signal envelope. A recently developed technique, ...
Petr Motlícek, Sriram Ganapathy, Hynek Herm...