407 search results - page 49 / 82 » On the least median square problem |
112
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ICASSP
2011
IEEE
14 years 3 months ago
2011
IEEE
Due to multipath delay spread and relatively high sampling rate in OFDM systems, the channel estimation is formulated as a sparse recovery problem, where a hybrid compressed sensi...
MICCAI
2004
Springer
16 years 21 days ago
2004
Springer
Abstract. A method fully utilizing multiscale line filter responses is presented to estimate the point spread function (PSF) of a CT scanner and diameters of small tubular structur...
ICML
2007
IEEE
16 years 19 days ago
2007
IEEE
In this paper we investigate the regularization property of Kernel Principal Component Analysis (KPCA), by studying its application as a preprocessing step to supervised learning ...
102
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ISBI
2008
IEEE
2008
IEEE
Tomographic image reconstruction from limited-view projections with Wiener filtered focuss algorithm
16 years 16 days ago
In tomographic image reconstruction from limited-view projections the underlying inverse problem is ill-posed with the rank-deficient system matrix. The minimal-norm least squares...
ISBI
2009
IEEE
15 years 6 months ago
2009
IEEE
Various cortical measures such as cortical thickness are routinely computed along the vertices of cortical surface meshes. These metrics are used in surface-based morphometric stu...