Associating characters with events in films
Salway, Andrew and Lehane, Bart and O'Connor, Noel E. (2007) Associating characters with events in films. In: CIVR 2007 - ACM International Conference on Image and Video Retrieval, 9-11 July 2007, Amsterdam, The Netherlands.
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The work presented here combines the analysis of a film's audiovisual features with the analysis of an accompanying audio description. Specifically, we describe a technique for semantic-based indexing of feature films that associates character names with meaningful events. The technique fuses the results of event detection based on audiovisual features with the inferred on-screen presence of characters, based on an analysis of an audio description script. In an evaluation with 215 events from 11 films, the technique performed the character detection task with Precision = 93% and Recall = 71%. We then go on to show how novel access modes to film content are enabled by our analysis. The specific examples illustrated include video retrieval via a combination of event-type and character name and our first steps towards visualization of narrative and character interplay based on characters occurrence and co-occurrence in events.
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