441 search results - page 30 / 89 » Sparse Recovery Using Sparse Random Matrices |
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...
PPAM
2007
Springer
15 years 4 months ago
2007
Springer
Abstract. We present an out-of-core sparse direct solver for unsymmetric linear systems. The solver factors the coefficient matrix A into A = PLU using Gaussian elimination with pa...
CVPR
2004
IEEE
15 years 12 months ago
2004
IEEE
A new technique is presented for mosaicing sparselyoverlapping image sets, with a target application of assisting the diagnosis and treatment of retinal diseases. The geometric im...
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
Technological constraints severely limit the rate at which analog-todigital converters can reliably sample signals. Recently, Tropp et al. proposed an architecture, termed the ran...
ICPR
2010
IEEE
14 years 8 months ago
2010
IEEE
This paper introduces a framework for long-distance face recognition using dense and sparse stereo reconstruction, with texture of the facial region. Two methods to determine corr...