Cristani, Marco and Bicego, Manuele and Murino, Vittorio (2006) Audio-visual foreground extraction for event characterization. In: Conference on Computer Vision and Pattern Recognition Workshop, 2006: CVPRW '06, 17-22 June 2006, New York (NY), USA. Los Alamitos, IEEE Computer Society. p. 116. ISBN 0-7695-2646-2. Conference or Workshop Item.
This paper presents a new method able to integrate audio and visual information for scene analysis in a typical surveillance scenario, using only one camera and one monaural microphone. Visual information is analyzed by a standard visual background/foreground (BG/FG) modelling module, enhanced with a novelty detection stage, and coupled with an audio BG/FG modelling scheme. The audiovisual association is performed on-line, by exploiting the concept of synchrony. Experimental tests carrying out classification and clustering of events show all the potentialities of the proposed approach, also in comparison with the results obtained by using the single modalities.
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