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      • Faculty of Engineering
      • Department of Computer Engineering
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      MUCKE participation at retrieving diverse social images task of MediaEval 2013

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      Author
      Armağan, Anıl
      Popescu, A.
      Duygulu, Pınar
      Date
      2013
      Source Title
      CEUR Workshop Proceedings
      Print ISSN
      1613-0073
      Publisher
      CEUR-WS
      Volume
      1043
      Language
      English
      Type
      Conference Paper
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      Abstract
      The Mediaeval 2013 Retrieving Diverse Social Image Task addresses the challenge of improving both relevance and diversity of photos in a retrieval task on Flickr. We propose a clustering based technique that exploits both textual and visual information. We introduce a k-Nearest Neighbor (k-NN) inspired re-ranking algorithm that is applied before clustering to clean the dataset. After the clustering step, we exploit social cues to rank clusters by social relevance. From those ranked clusters images are retrieved according to their distance to cluster centroids.
      Keywords
      Cluster centroids
      K-nearest neighbors
      Re-ranking
      Social cues
      Social images
      Visual information
      Nearest neighbor search
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      http://hdl.handle.net/11693/28043
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      • Department of Computer Engineering 1368
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