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This paper introduces the video collage, a novel effective interface for browsing and interpreting video collections. The paper discusses how collages are automatically produced, illustrates their use, and evaluates their effectiveness as summaries across news stories. Collages are presentations of text and images derived from multiple video sources, which provide an interactive visualization for a set of video documents, summarizing their contents and providing a navigation aid for further exploration. The dynamic creation of collages is based on user context, e.g., an originating query, coupled with automatic processing to refine the candidate imagery. Named entity identification and common phrase extraction provides descriptive text. The dynamic manipulation of collages allows user-directed browsing and reveals additional detail. The utility of collages as summaries is examined with respect to other published news summaries.
Christel et al. (Sun,) studied this question.