PicAlert!: a system for privacy-aware image classification and retrieval

  • Authors:
  • Sergej Zerr;Stefan Siersdorfer;Jonathon Hare

  • Affiliations:
  • L3S Research Center, Hannover, Germany;L3S Research Center, Hannover, Germany;University of Southampton, Southampton, United Kingdom

  • Venue:
  • Proceedings of the 21st ACM international conference on Information and knowledge management
  • Year:
  • 2012

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Abstract

Photo publishing in Social Networks and other Web2.0 applications has become very popular due to the pervasive availability of cheap digital cameras, powerful batch upload tools and a huge amount of storage space. A portion of uploaded images are of a highly sensitive nature, disclosing many details of the users' private life. We have developed a web service which can detect private images within a user's photo stream and provide support in making privacy decisions in the sharing context. In addition, we present a privacy-oriented image search application which automatically identifies potentially sensitive images in the result set and separates them from the remaining pictures.