104 search results - page 15 / 21 » An Overview Of Inverse Problem Regularization Using Sparsity |
ICIP
1994
IEEE
13 years 10 months ago
1994
IEEE
The two main plagues of image restoration are oscillations and smoothing. Traditional image restoration techniques prevent parasitic oscillations by resorting to smooth regulariza...
JMLR
2012
11 years 9 months ago
2012
We consider the sparse inverse covariance regularization problem or graphical lasso with regularization parameter λ. Suppose the sample covariance graph formed by thresholding th...
ICASSP
2008
IEEE
14 years 1 months ago
2008
IEEE
We examine the application of current research in sparse signal recovery to the problem of channel estimation. Specifically, using an Orthogonal Frequency Division Multiplexed (O...
CISS
2011
IEEE
12 years 10 months ago
2011
IEEE
—We consider a multi-static radar scenario with spatially dislocated receivers that can individually extract delay information only. Furthermore, we assume that the receivers are...
NIPS
2004
13 years 8 months ago
2004
We consider the problem of geometrical surface reconstruction from one or several images using learned shape models. While humans can effortlessly retrieve 3D shape information, t...