Nikiforos Pittaras

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In this work we deal with the problem of how different local descriptors can be extended, used and combined for improving the effectiveness of video concept detection. The main contributions of this work are: 1) We examine how effectively a binary local descriptor, namely ORB, which was originally proposed for similarity matching between local image(More)
—In this work we deal with the problem of extending and using different local descriptors, as well as exploiting concept correlations, towards improved video semantic concept detection. We examine how state-of-the-art binary local descriptors can facilitate concept detection, we propose color extensions of them inspired by previously proposed color(More)
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