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Diversity ranking for video retrieval from a broadcaster archive

Author
Giro, X.; Alfaro, M.; Marques, F.
Type of activity
Presentation of work at congresses
Name of edition
1st ACM International Conference on Multimedia Retrieval (ICMR '11)
Date of publication
2011
Presentation's date
2011-04-18
Book of congress proceedings
Proceedings of the 1st ACM International Conference on Multimedia Retrieval (ICMR '11)
First page
1
Last page
8
DOI
https://doi.org/10.1145/1991996.1992052 Open in new window
Repository
http://hdl.handle.net/2117/12810 Open in new window
URL
http://dx.doi.org/10.1145/1991996.1992052 Open in new window
Abstract
Video retrieval through text queries is a very common practice in broadcaster archives. The query keywords are compared to the metadata labels that documentalists have previously associated to the video assets. This paper focuses on a ranking strategy to obtain more relevant keyframes among the top hits of the results ranked lists but, at the same time, keeping a diversity of video assets. Previous solutions based on a random walk over a visual similarity graph have been modi ed to increase the ...
Group of research
GPI - Image and Video Processing Group
IDEAI-UPC - Intelligent Data Science and Artificial Intelligence Research Center

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