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We introduce an automatic video summarizing tool (AVST) for a personal video recorder. The tool utilizes MPEG-7 visual descriptors to generate a video index for a summary. The resulting index generates not only a preview of a movie but also allows non-linear access with thumbnails. In addition, the index supports the searching of shots similar to a desired one within saved video sequences. Moreover, simple shot-based video editing can readily be achieved using the generated index.