358 search results - page 27 / 72 » Sparse squares of polynomials |
ICA
2010
Springer
13 years 9 months ago
2010
Springer
The problem of estimating a sparse channel, i.e. a channel with a few non-zero taps, appears in many fields of communication including acoustic underwater or wireless transmissions...
CORR
2011
Springer
13 years 4 months ago
2011
Springer
—We address the problem of estimating a random vector X from two sets of measurements Y and Z, such that the estimator is linear in Y . We show that the partially linear minimum ...
JSC
2007
13 years 8 months ago
2007
We present a new algorithm for the computation of resultants associated with multihomogeneous (and, in particular, homogeneous) polynomial equation systems using straight-line pro...
ICASSP
2009
IEEE
14 years 3 months ago
2009
IEEE
Iterative shrinkage of sparse and redundant representations are at the heart of many state of the art denoising and deconvolution algorithms. They assume the signal is well approx...
CORR
2010
Springer
13 years 9 months ago
2010
Springer
Finding the product of two polynomials is an essential and basic problem in computer algebra. While most previous results have focused on the worst-case complexity, we instead emp...