321 search results - page 39 / 65 » System approach to intrusion detection using hidden Markov m... |
190
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PAKDD
2009
ACM
15 years 10 months ago
2009
ACM
Abstract. Detecting abnormal event from video sequences is an important problem in computer vision and pattern recognition and a large number of algorithms have been devised to tac...
144
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ICASSP
2011
IEEE
14 years 9 months ago
2011
IEEE
This paper presents a discriminative training (DT) approach to irrelevant variability normalization (IVN) based training of feature transforms and hidden Markov models for large v...
158
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MM
2004
ACM
15 years 11 months ago
2004
ACM
We propose a novel technique for the automatic classification of vocal and non-vocal regions in an acoustic musical signal. Our technique uses a combination of harmonic content a...
153
Voted
ICDAR
2009
IEEE
16 years 25 days ago
2009
IEEE
In this paper we present a system of the off-line handwriting recognition. Our recognition system is based on temporal order restoration of the off-line trajectory. For this task ...
169
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CVPR
2007
IEEE
16 years 8 months ago
2007
IEEE
Previous pixel-level change detection methods either contain a background updating step that is costly for moving cameras (background subtraction) or can not locate object positio...