255 search results - page 31 / 51 » Sampling Sparse Signals on the Sphere: Algorithms and Applic... |
ICPR
2010
IEEE
14 years 8 months ago
2010
IEEE
—Most research works focus on pattern recognition within a small sample images but strategies for running efficiently these algorithms over large images are rarely if ever speci...
STOC
1993
ACM
15 years 1 months ago
1993
ACM
Abstract. The subject of this paper is nding small sample spaces for joint distributions of n discrete random variables. Such distributions are often only required to obey a certa...
KDD
2006
ACM
15 years 10 months ago
2006
ACM
There has been considerable interest in random projections, an approximate algorithm for estimating distances between pairs of points in a high-dimensional vector space. Let A Rn...
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TMI
2011
14 years 4 months ago
2011
Abstract—Many practical applications require the reconstruction of images from irregularly sampled data. The spline formalism offers an attractive framework for solving this prob...
ICML
2007
IEEE
15 years 10 months ago
2007
IEEE
Given a sample covariance matrix, we examine the problem of maximizing the variance explained by a particular linear combination of the input variables while constraining the numb...