Mobile camera-based adaptive viewing

  • Authors:
  • Antonio Haro;Koichi Mori;Vidya Setlur;Tolga Capin

  • Affiliations:
  • Nokia Research Center, Irving, TX;Nokia Research Center, Irving, TX;Nokia Research Center, Irving, TX;Nokia Research Center, Irving, TX

  • Venue:
  • MUM '05 Proceedings of the 4th international conference on Mobile and ubiquitous multimedia
  • Year:
  • 2005

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Abstract

In this paper, we present an approach for facilitating user interaction on mobile devices, focusing on camera-enabled mobile phones. A user interacts with an application by moving their device. An on-board camera is used to capture incoming video and the scrolling direction and magnitude are estimated using a computer vision-based algorithm. The direction is used as the scroll direction in the application, and the magnitude is used to set the zoom level. The camera is treated as a pointing device and zoom level control in applications. Our approach generates mouse events, so any application that is mouse-driven can make use of this technique. The user is free to browse through large data sets on a limited size display with one hand, ideal for the mobile domain.