13651 search results - page 136 / 2731 » Spectral analysis of data |
STOC
2001
ACM
14 years 9 months ago
2001
ACM
Given a matrix A, it is often desirable to find a good approximation to A that has low rank. We introduce a simple technique for accelerating the computation of such approximation...
DCC
2008
IEEE
14 years 8 months ago
2008
IEEE
The name `graph state' is used to describe a certain class of pure quantum state which models a physical structure on which one can perform measurement-based quantum computin...
ICPR
2010
IEEE
14 years 4 months ago
2010
IEEE
We present a method that automatically detects chewing events in surveillance video of a subject. Firstly, an Active Appearance Model (AAM) is used to track a subject’s face acr...
BSN
2009
IEEE
14 years 4 months ago
2009
IEEE
— This article describes an approach to detecting mental stress using unobtrusive wearable sensors. The approach relies on estimating the state of the autonomic nervous system fr...
ICPR
2008
IEEE
14 years 3 months ago
2008
IEEE
Video footage of real crowded scenes still poses severe challenges for automated surveillance. This paper evaluates clustering methods for finding independent dominant motion fi...