1236 search results - page 67 / 248 » Robust estimation for sparse data |
87
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CSSC
2008
14 years 10 months ago
2008
This paper examines a weighted version of the quantile regression estimator defined by Koenker and Bassett (1978), adjusted to the case of nonlinear longitudinal data. Different w...
148
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CVPR
2012
IEEE
13 years 10 days ago
2012
IEEE
This paper addresses the problem of free gaze estimation under unrestricted head motion. More precisely, unlike previous approaches that mainly focus on estimating gaze towards a ...
VLDB
1997
ACM
15 years 2 months ago
1997
ACM
The cpquantile of an ordered sequenceof data values is the element with rank ‘pn, where n is the total number of values. Accurate estimates of quantiles are required for the sol...
ISBI
2004
IEEE
15 years 10 months ago
2004
IEEE
The surface Laplacian is known to be a theoretical reliable approximation of the cortical activity. Unfortunately, because of its high pass character and the relative low density ...
MIA
2010
14 years 4 months ago
2010
A number of analysis tools have been developed for the estimation of brain atrophy using MRI. Since brain atrophy is being increasingly used as a marker of disease progression in ...