The value of stories for speech-based video search

Bouke Huurnink, Maarten de Rijke
2007 Proceedings of the 6th ACM international conference on Image and video retrieval - CIVR '07  
Anecdotal evidence suggests that story-level information is important for the speech component of video retrieval. In this paper we perform a systematic examination of the combination of shot-level and story-level speech, using a document expansion approach. We isolate speech from other retrieval features, and evaluate on the 2003-2006 TRECVID test sets with a set of 94 natural language queries. Our main finding is that that the use of story information significantly improves retrieval
more » ... ce compared to shotbased search, increasing overall mean average precision by over 65%.
doi:10.1145/1282280.1282322 dblp:conf/civr/HuurninkR07 fatcat:nqwnprzsv5fvjkqofnozawug7y