923 search results - page 39 / 185 » Spam Deobfuscation using a Hidden Markov Model |
125
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TASLP
2002
15 years 4 months ago
2002
The first stage in many pattern recognition tasks is to generate a good set of features from the observed data. Usually, only a single feature space is used. However, in some compl...
137
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CVPR
2005
IEEE
16 years 6 months ago
2005
IEEE
This paper addresses the problem of learning and recognizing human activities of daily living (ADL), which is an important research issue in building a pervasive and smart environ...
128
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PRL
2007
15 years 4 months ago
2007
ct 7 Discriminative training for hidden Markov models (HMMs) has been a central theme in speech recognition research for many years. 8 One most popular technique is minimum classiï...
138
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ICIP
2006
IEEE
16 years 6 months ago
2006
IEEE
In this paper, we present a novel occlusion detection scheme for hidden Markov modeled shapes. First, hidden Markov model (HMM) is built using multiple examples of the shape. A re...
129
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ICPR
2006
IEEE
16 years 5 months ago
2006
IEEE
This paper presents an event detector for emergencies in crowds. Assuming a single camera and a dense crowd we rely on optical flow instead of tracking statistics as a feature to ...