510 search results - page 21 / 102 » Sparse probabilistic projections |
ICCV
2003
IEEE
14 years 9 months ago
2003
IEEE
We present a method for unsupervised learning of classes of motions in video. We project optical flow fields to a complete, orthogonal, a-priori set of basis functions in a probab...
ICPR
2006
IEEE
14 years 8 months ago
2006
IEEE
An approach to recognise and segment 9 elementary gestures from a video input is proposed and it can be applied to continuous sign recognition. An isolated gesture is recognised b...
PKDD
2004
Springer
14 years 27 days ago
2004
Springer
Spam filtering is a text categorization task that has attracted significant attention due to the increasingly huge amounts of junk email on the Internet. While current best-pract...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
This paper describes a Bayesian algorithm for rigid/non-rigid 2D visual object tracking based on sparse image features. The algorithm is inspired by the way human visual cortex se...
CISS
2010
IEEE
12 years 11 months ago
2010
IEEE
—This paper considers the reconstruction of structured-sparse signals from noisy linear observations. In particular, the support of the signal coefficients is parameterized by h...