194 search results - page 1 / 39 » Unsupervised scene analysis: A hidden Markov model approach |
CVIU
2006
13 years 4 months ago
2006
This paper presents a new approach to scene analysis, which aims at extracting structured information from a video sequence using directly low-level data. The method models the se...
CIVR
2007
Springer
13 years 10 months ago
2007
Springer
We propose a robust scene recognition system for baseball broadcast videos. This system is based on the data-driven approach which has been successful in continuous speech recogni...
ICIP
2003
IEEE
14 years 5 months ago
2003
IEEE
In this paper, we study unsupervised image segmentation using wavelet-domain hidden Markov models (HMMs). We first review recent supervised Bayesian image segmentation algorithms ...
STAIRS
2008
13 years 5 months ago
2008
This paper presents an extensive evaluation, on artificial datasets, of EDY, an unsupervised algorithm for automatically synthesizing a Structured Hidden Markov Model (S-HMM) from ...
TIP
2010
12 years 11 months ago
2010
This paper proposes an approach for recognizing human activities (more specifically, pedestrian trajectories) in video sequences, in a surveillance context. A system for automatic ...