335 search results - page 27 / 67 » Non-negative sparse coding |
CORR
2007
Springer
14 years 9 months ago
2007
Springer
— Low density lattice codes (LDLC) are novel lattice codes that can be decoded efficiently and approach the capacity of the additive white Gaussian noise (AWGN) channel. In LDLC...
ICASSP
2008
IEEE
15 years 4 months ago
2008
IEEE
In this paper, a new approach for decoding real-field codes based on finding sparse solutions of underdetermined linear systems is proposed. This algorithm iteratively estimates...
ICC
2007
IEEE
15 years 1 months ago
2007
IEEE
An algorithm for efficient encoding of LDPC codes is presented that does not impose any restrictions on the construction of the parity-check matrices. The algorithm modifies the pa...
EJASP
2010
14 years 4 months ago
2010
In this paper we propose a block-by-block iterative receiver for underwater MIMO-OFDM that couples channel estimation with MIMO detection and channel decoding. In particular, the c...
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CVPR
2010
IEEE
15 years 1 months ago
2010
IEEE
A clustering framework within the sparse modeling and dictionary learning setting is introduced in this work. Instead of searching for the set of centroid that best fit the data, ...