619 search results - page 27 / 124 » Experimental Evaluation of Hierarchical Hidden Markov Models |
132
click to vote
PAKDD
2009
ACM
15 years 6 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
click to vote
ICIP
2008
IEEE
16 years 3 months ago
2008
IEEE
This paper presents a content-based approach for temporal segmentation of videos. Tracked objects are characterized by their 2D trajectories which are used in a meaningful way to ...
119
click to vote
SSPR
2004
Springer
15 years 7 months ago
2004
Springer
We present results on an extension to our approach for automatic sports video annotation. Sports video is augmented with accelerometer data from wrist bands worn by umpires in the ...
100
click to vote
ICIP
2000
IEEE
16 years 3 months ago
2000
IEEE
We formulate a model for probability distributions on image spaces. We show that any distribution of images can be factored exactly into conditional distributions of feature vecto...
107
click to vote
ECAI
2006
Springer
15 years 5 months ago
2006
Springer
We describe Polynomial Conditional Random Fields for signal processing tasks. It is a hybrid model that combines the ability of Polynomial Hidden Markov models for modeling complex...