Abstract
A novel video retrieval tool based on MPEG-4 video object (VO) representation is presented. The algorithm extends the concept of edge potential functions (EPF), already used in shape-based image retrieval, tailored to work on shapes extracted from VO planes defined in MPEG-4 syntax. First, key frames are selected from the VO sequence by detecting significant object deformations. Then, object boundaries are extracted from each key frame by a simple manipulation of the relevant object plane bitmap, and normalized. Finally a shape-EPF (S-EPF) is calculated from the normalized boundaries and used to perform the matching with user’s query. Experimental results demonstrate that the proposed algorithm is efficient and fast in indexing a video sequence according to the presence of specific video objects.
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© 2004 Springer-Verlag Berlin Heidelberg
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Dao, MS., DeNatale, F.G.B., Massa, A. (2004). MPEG-4 Video Retrieval Using Video-Objects and Edge Potential Functions. In: Aizawa, K., Nakamura, Y., Satoh, S. (eds) Advances in Multimedia Information Processing - PCM 2004. PCM 2004. Lecture Notes in Computer Science, vol 3333. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-30543-9_69
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DOI: https://doi.org/10.1007/978-3-540-30543-9_69
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