Efficient similarity search on multimedia databases

Mariela Lopresti, Natalia Miranda, Fabiana Piccoli, Nora Reyes
Universidad Nacional de San Luis, Ejercito de los Andes 950 – 5700 – San Luis – Argentina
XVIII Congreso Argentino de Ciencias de la Computacion, 2012


   title={Efficient similarity search on multimedia databases},

   author={Lopresti, M. and Miranda, N. and Piccoli, M.F. and Reyes, N.S.},

   booktitle={XVIII Congreso Argentino de Ciencias de la Computaci{‘o}n},



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Manipulating and retrieving multimedia data has received increasing attention with the advent of cloud storage facilities. The ability of querying by similarity over large data collections is mandatory to improve storage and user interfaces. But, all of them are expensive operations to solve only in CPU; thus, it is convenient to take into account High Performance Computing (HPC) techniques in their solutions. The Graphics Processing Unit (GPU) as an alternative HPC device has been increasingly used to speedup certain computing processes. This work introduces a pure GPU architecture to build the Permutation Index and to solve approximate similarity queries on multimedia databases. The empirical results of each implementation have achieved different level of speedup which are related with characteristics of GPU and the particular database used.
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