This paper provides an analysis on relevance feedback techniques in a multimedia system designed for the interactive exploration and annotation of artistic collections, in particular illuminated manuscripts. The relevance feedback is presented not only as a very effective technique to improve the performance of the system, but also as a clever way to increase the user experience, mixing the interactive surfing through the artistic content with the possibility to gather valuable information from the user, and consequently improving his retrieval satisfaction. We compare a modification of the Mean-Shift Feature Space Warping algorithm, as representative of the standard RF procedures, and a learning-based technique based on transduction, considered in order to overcome some limitation of the previous technique. Experiments are reported regarding the adopted visual features based on covariance matrices.

Relevance feedback strategies for artistic image collections tagging / Grana, Costantino; Borghesani, Daniele; Cucchiara, Rita. - ELETTRONICO. - (2011), pp. 353-360. ((Intervento presentato al convegno 1st ACM International Conference on Multimedia Retrieval tenutosi a Trento, Italy nel Apr 18-20.

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