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Efficient retrieval by shape content

Petrakis Evripidis, Evangelos Milios

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URI: http://purl.tuc.gr/dl/dias/C81E0265-7DD9-4C2A-AED2-5031AB23F32D
Year 1999
Type of Item Conference Poster
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Bibliographic Citation Euripides G.M. Petrakis and Evangelos Milios, "Efficient Retrieval by Shape Content", in IEEE Multimedia Systems 1999 (ICMS' 99), 1999, pp. 616-621. doi:10.1109/MMCS.1999.778555 https://doi.org/10.1109/MMCS.1999.778555
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Summary

We propose an approach for image similarity retrieval based on shape information. The heart of our methodology is a a dynamic programming shape matching algorithm which detects similarities between shapes at various levels of shape detail (resolution). Our method provides for indexing of a data set, achieving up to three orders of magnitude speed-up over sequential scanning. We illustrate the application of our method to real two-dimensional static hand gesture data. We also demonstrate the superiority of our approach over traditional methods of shape matching and retrieval, such as Fourier descriptors, geometric and sequential moments.

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