582 search results - page 68 / 117 » Performance Comparison of Point and Spatial Access Methods |
CVPR
2008
IEEE
15 years 11 months ago
2008
IEEE
Human action video sequences can be considered as nonlinear dynamic shape manifolds in the space of image frames. In this paper, we address learning and classifying human actions ...
103
click to vote
CVPR
2007
IEEE
15 years 11 months ago
2007
IEEE
We present a novel model for human action categorization. A video sequence is represented as a collection of spatial and spatial-temporal features by extracting static and dynamic...
ICC
2007
IEEE
15 years 4 months ago
2007
IEEE
—— The performance of multiuser MIMO downlink systems with block diagonalization (BD) relies on the channel state information (CSI) at the transmitter to a great extent. For ti...
101
click to vote
SDM
2003
SIAM
14 years 11 months ago
2003
SIAM
The problem of finding clusters in data is challenging when clusters are of widely differing sizes, densities and shapes, and when the data contains large amounts of noise and out...
EDBT
2004
ACM
15 years 10 months ago
2004
ACM
A location-based service (LBS) provides information based on the location information specified in a query. Nearest-neighbor (NN) search is an important class of queries supported ...