1387 search results - page 215 / 278 » Variational Bayesian image modelling |
147
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TIP
2008
15 years 3 months ago
2008
In this paper, we present an automatic classification framework combining appearance based features and Hidden Markov Models (HMM) to detect unusual events in image sequences. One...
162
Voted
FGR
2004
IEEE
15 years 7 months ago
2004
IEEE
Tracking a moving person is challenging because a person's appearance in images changes significantly due to articulation, viewpoint changes, and lighting variation across a ...
133
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ICPR
2004
IEEE
16 years 4 months ago
2004
IEEE
This paper presents a novel face detection method in video by using Discriminating Feature Analysis (DFA) and Support Vector Machine (SVM). Our method first incorporates temporal ...
108
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ICPR
2004
IEEE
16 years 4 months ago
2004
IEEE
We propose a simple framework that utilizes online appearance models for 3D face and facial feature tracking with a deformable model. Adapting the geometrical parameters for each ...
121
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NIPS
2001
15 years 4 months ago
2001
In previous work on "transformed mixtures of Gaussians" and "transformed hidden Markov models", we showed how the EM algorithm in a discrete latent variable mo...