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ICIP
2009
IEEE
15 years 10 months ago
2009
IEEE
In this paper, we present a novel algorithm for representing facial expressions. The algorithm is based on the non-negative matrix factorization (NMF) algorithm, which decomposes ...
CORR
2008
Springer
14 years 9 months ago
2008
Springer
The problem of maximizing the average rate in a multicast network subject to a coverage constraint (minimum quality of service) is studied. Assuming the channel state information ...
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TIP
2008
14 years 9 months ago
2008
In this paper, we apply the primal-dual decomposition and subgradient projection methods to solve the rate-distortion optimization problem with the constant bit rate constraint. Th...
IEICET
2008
14 years 9 months ago
2008
ICC
2007
IEEE
15 years 3 months ago
2007
IEEE
— In this paper, a family of low-density parity-check (LDPC) degree distributions, whose decoding threshold on the binary erasure channel (BEC) admits a simple closed form, is pr...