267 search results - page 6 / 54 » Unsupervised Learning of Event Classes from Video |
CVPR
2003
IEEE
15 years 11 months ago
2003
IEEE
We present a method to learn and recognize object class models from unlabeled and unsegmented cluttered scenes in a scale invariant manner. Objects are modeled as flexible constel...
CVPR
2005
IEEE
15 years 11 months ago
2005
IEEE
We present a novel representation and method for detecting and explaining anomalous activities in a video stream. Drawing from natural language processing, we introduce a represen...
NAACL
2003
14 years 11 months ago
2003
This paper describes an application of active learning methods to the classification of phone strings recognized using unsupervised phonotactic models. The only training data req...
102
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AVSS
2009
IEEE
14 years 10 months ago
2009
IEEE
This paper presents a novel approach to vehicle detection in highway surveillance videos. This method incorporates well-studied computer vision and machine learning techniques to ...
CVPR
2010
IEEE
15 years 5 months ago
2010
IEEE
We propose a visual event recognition framework for consumer domain videos by leveraging a large amount of loosely labeled web videos (e.g., from YouTube). First, we propose a new...