561 search results - page 68 / 113 » Algorithms and applications for approximate nonnegative matr... |
FOCS
2005
IEEE
14 years 1 months ago
2005
IEEE
This paper studies the computational complexity of the following type of quadratic programs: given an arbitrary matrix whose diagonal elements are zero, find x ∈ {−1, +1}n th...
FGR
2008
IEEE
14 years 2 months ago
2008
IEEE
In this paper, we focus on the reliable detection of facial fiducial points, such as eye, eyebrow and mouth corners. The proposed algorithm aims to improve automatic landmarking ...
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
Co-clustering can be viewed as a two-way (bilinear) factorization of a large data matrix into dense/uniform and possibly overlapping submatrix factors (co-clusters). This combinat...
SIAMSC
2008
13 years 7 months ago
2008
Model order reduction (MOR) is common in simulation, control and optimization of complex dynamical systems arising in modeling of physical processes and in the spatial discretizati...
FOCS
2009
IEEE
14 years 2 months ago
2009
IEEE
Abstract— We consider the problem of estimating cascaded aggregates over a matrix presented as a sequence of updates in a data stream. A cascaded aggregate P ◦Q is defined by ...