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To improve library access, the Informedia Digital Video Library uses automatic processing to derive descriptors for video. A new extension to the video processing extracts geographic references from these descriptors. The operational library interface shows the geographic entities addressed in a given story, highlighting the regions discussed in the video through a map display synchronized with the video playback. The map can also serve as a query mechanism, allowing users to search the terabyte library for stories taking place in a selected area of interest.

A. M. Olligschlaeger, M. G. Christel and C. Huang, "Interactive Maps for a Digital Video Library," in IEEE MultiMedia, vol. 7, no. , pp. 60-67, 2000.
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