225 search results - page 21 / 45 » Approximating Parameterized Convex Optimization Problems |
DCC
2003
IEEE
14 years 8 months ago
2003
IEEE
This paper introduces a linear programming (LP) technique that performs ratedistortion based optimization for constrained video coding. Given the assumption of piecewise linear an...
JMLR
2012
11 years 11 months ago
2012
We study a generalized framework for structured sparsity. It extends the well known methods of Lasso and Group Lasso by incorporating additional constraints on the variables as pa...
EJASP
2010
13 years 3 months ago
2010
We adopt the concept of channel diagonalization to time-frequency signal expansions obtained by DFT filter banks. As a generalization of the frequency domain channel representatio...
ICASSP
2011
IEEE
13 years 6 days ago
2011
IEEE
This work addresses the problem of deciding whether a set of realizations of a vector-valued time series with unknown temporal correlation are spatially correlated or not. Speciï¬...
DAGM
2008
Springer
13 years 10 months ago
2008
Springer
We investigate maximum likelihood parameter learning in Conditional Random Fields (CRF) and present an empirical study of pseudo-likelihood (PL) based approximations of the paramet...