Our paper “A Data-Driven Approach for Tag Refinement and Localization in Web Videos”, by myself, Marco Bertini, Giuseppe Serra, Alberto Del Bimbo, has been accepted for publication in Computer Vision and Image Understanding (CVIU) and is now available online.

Alberto Del Bimbo has been also invited to present our work at the Workshop on Large-Scale Video Search and Mining at CVPR 2015.

Estimating the relevance of a specific tag with respect to the visual content of a given image and video has become the key problem in order to have reliable and objective tags. With video tag localization is also required to index and access video content properly. In this paper, we present a data-driven approach for automatic video annotation by expanding the original tags through images retrieved from photo-sharing website, like Flickr, and search engines such as Google or Bing. Compared to previous approaches that require training classifiers for each tag, our approach has few parameters and permits open vocabulary.

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