6306 search results - page 61 / 1262 » Space, Time, and the Use of Language |
CVPR
2009
IEEE
16 years 5 months ago
2009
IEEE
We propose a space-time Markov Random Field (MRF)
model to detect abnormal activities in video. The nodes in
the MRF graph correspond to a grid of local regions in the
video fra...
102
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CGF
2010
14 years 10 months ago
2010
Spatiotemporal data pose serious challenges to analysts in geographic and other domains. Owing to the complexity of the geospatial and temporal components, this kind of data canno...
GLOBECOM
2010
IEEE
14 years 7 months ago
2010
IEEE
Motivated by the recent concept of Space-Time Shift Keying (STSK), we propose a novel cooperative STSK scheme, which is capable of achieving a flexible rate-diversity tradeoff, in ...
104
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INFOCOM
2010
IEEE
14 years 7 months ago
2010
IEEE
We investigate the fundamental capacity limits of space-time journeys of information in mobile and Delay Tolerant Networks (DTNs), where information is either transmitted or carrie...
DRR
2010
15 years 7 days ago
2010
Scaling up document-image classifiers to handle an unlimited variety of document and image types poses serious challenges to conventional trainable classifier technologies. Highly...