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- W2100570504 abstract "Content-based video indexing and retrieval has its foundations in the analyses of the prime video temporal structures. Consequently, technologies for video segmentation and key-frame extraction have become crucial for the development of advanced digital video systems. Conventional algorithms for video partitioning and key-frame extraction are mainly implemented autonomously. By focusing the analysis on compressed video features, this paper introduces a real-time algorithm for scene change detection and key-frame extraction that generates frame difference metrics by analysing the statistics of the macro-block features extracted from an MPEG compressed stream. The key-frame extraction method is implemented using difference metrics in curve simplification by means of a discrete contour evolution algorithm. This approach resulted in a fast and robust algorithm. Results of computer simulations are reported." @default.
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- W2100570504 date "2005-08-25" @default.
- W2100570504 modified "2023-09-24" @default.
- W2100570504 title "Efficient key-frame extraction and video analysis" @default.
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- W2100570504 doi "https://doi.org/10.1109/itcc.2002.1000355" @default.
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