Unified Presentation Contents Retrieval Using Laser Pointer Information

  • Authors:

  • Wataru NAKANO;Yuta OCHI;Takashi KOBAYASHI;Yutaka KATSUYAMA;Satoshi NAOI;Haruo YOKOTA

  • Affiliations:

  • Graduate School of Information Science and Engineering,Tokyo Institute of Technology;Graduate School of Information Science and Engineering,Tokyo Institute of Technology;Global Scientific Information and Computing Center,Tokyo Institute of Technology;FUJITSU LABORATORIES Ltd.;FUJITSU LABORATORIES Ltd.;FUJITSU LABORATORIES Ltd.

  • Venue:
  • ICDEW '05 Proceedings of the 21st International Conference on Data Engineering Workshops
  • Year:
  • 2005

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Abstract

We have proposed unifying presentation contents, such as lecture video and presentation slides used in lectures, using metadata. For the unified contents, we have also proposed a search mechanism named UPRISE (Unified Presentation Slide Retrieval by Impression Search Engine). In this paper, we focus on the position, count, and duration information of a laser pointer, and propose a retrieval method using the information. In proposed method, we extract the position of laser pointer from video, and choose a sentence near the laser pointer position with a number of candidates. We evaluate our approach by applying it to actual presentation contents.