UEC, Tokyo at MediaEval 2013 Retrieving Diverse Social Images Task

In this paper, we describe our method and results for the MediaEval 2013 Retrieving Diverse Social Images Task. To accomplish the task objective, we adopt VisualRank [5] and Ranking with Sink Points [2], which are common methods to select representative and diverse photos. To obtain an affinity matrix for both ranking methods, we used only the officially-provided features including visual features and tag features. We submitted three required runs including only visual feature run, only textual feature run and textualvisual fused feature run