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- W2023682487 abstract "Video retrieval can be done by ranking the samples according to their probability scores that were predicted by classifiers. It is often possible to improve the retrieval performance by re-ranking the samples. In this paper, we proposed a re-ranking method that improves the performance of semantic video indexing and retrieval, by re-evaluating the scores of the shots by the homogeneity and the nature of the video they belong to. Compared to previous works, the proposed method provides a framework for the re-ranking via the homogeneous distribution of video shots content in a temporal sequence. The experimental results showed that the proposed re-ranking method was able to improve the system performance by about 18% in average on the TRECVID 2010 semantic indexing task, videos collection with homogeneous contents. For TRECVID 2008, in the case of collections of videos with non-homogeneous contents, the system performance was improved by about 11-13%." @default.
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- W2023682487 date "2011-10-24" @default.
- W2023682487 modified "2023-09-25" @default.
- W2023682487 title "Re-ranking by local re-scoring for video indexing and retrieval" @default.
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- W2023682487 doi "https://doi.org/10.1145/2063576.2063895" @default.
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