An Unsupervised Algorithm for Anchor Shot Detection

  • Authors:
  • M. De Santo;P. Foggia;C. Sansone;G. Percannella;M. Vento

  • Affiliations:
  • Università degli Studi di Salerno, Italy;Università degli Studi di Napoli "Federico II", Italy;Università degli Studi di Napoli "Federico II", Italy;Università degli Studi di Salerno, Italy;Università degli Studi di Salerno, Italy

  • Venue:
  • ICPR '06 Proceedings of the 18th International Conference on Pattern Recognition - Volume 02
  • Year:
  • 2006

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Abstract

In this paper we present a novel algorithm for anchor shot detection (ASD). ASD is a fundamental step for segmenting news video into stories that is among key issues for achieving efficient treatment of news-based digital libraries. The proposed algorithm firstly uses a clustering method for individuating candidate anchor shots and then employs a two-stage pruning technique for reducing the number of falsely detected anchor shots. Both clustering and pruning are carried out in an unsupervised way. The algorithm has been tested on a wide database and compared with other state-of-the-art algorithms, demonstrating its effectiveness with respect to them.