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» An Event Spacing Experiment
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ICML
2010
IEEE
13 years 10 months ago
Hilbert Space Embeddings of Hidden Markov Models
Hidden Markov Models (HMMs) are important tools for modeling sequence data. However, they are restricted to discrete latent states, and are largely restricted to Gaussian and disc...
Le Song, Sajid M. Siddiqi, Geoffrey J. Gordon, Ale...
ISVC
2007
Springer
14 years 3 months ago
Learning to Recognize Complex Actions Using Conditional Random Fields
Surveillance systems that operate continuously generate large volumes of data. One such system is described here, continuously tracking and storing observations taken from multiple...
Christopher I. Connolly
AVSS
2003
IEEE
14 years 2 months ago
Invariant Feature Extraction and Biased Statistical Inference for Video Surveillance
Using cameras for detecting hazardous or suspicious events has spurred new research for security concerns. To make such detection reliable, researchers must overcome difficulties...
Yi-Leh Wu, Long Jiao, Gang Wu, Edward Y. Chang, Yu...
TRECVID
2008
13 years 10 months ago
Dublin City University at TRECVID 2008
In this paper we describe our system and experiments performed for both the automatic search task and the event detection task in TRECVid 2008. For the automatic search task for 2...
Peter Wilkins, Philip Kelly, Ciarán O. Cona...
CAI
2006
Springer
13 years 8 months ago
Analyzing Approaches to Collective Knowledge Recall
People and organizations frequently need to recall past events that, for some reason, were not documented when they occurred. The successful reconstitution of past events depends o...
Naiana Carminatti, Marcos R. S. Borges, José...