@inproceedings{pickering-03,
   author = {M Pickering and D Heesch and R O'Callaghan and S R\"{u}ger and D Bull},
   title = "Video Retrieval using Global Features in Keyframes",
   booktitle = "Proc TREC 2002",
   pages = "318--324",
   year = "2003"
  }