Exploring Interaction with a Simulated Wrist-Worn Projection Display

  • Authors:
  • Gabor Blasko;Steven Feiner;Franz Coriand

  • Affiliations:
  • Department of Computer Science Columbia University New York, NY, 10027;Department of Computer Science Columbia University New York, NY, 10027;Bauhaus University Weimar Bauhausstr. 11, 99423 Weimar, Germany

  • Venue:
  • ISWC '05 Proceedings of the Ninth IEEE International Symposium on Wearable Computers
  • Year:
  • 2005

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Abstract

One of the major limitations of portable computing devices is the small size of their built-in displays. Fortunately, extremely small projection systems are being developed that can be integrated into devices that are small enough to be body-worn, yet can project a large image onto surfaces in the environment. To explore how a user might interact with this near-horizon technology, we created a functional simulation of a wrist-worn projector. We then developed a set of interaction techniques that assume that the wrist-worn computer and projector are equipped with position and orientation sensors, in addition to a touch-sensitive builtin screen. To complement the techniques that rely on the spatial manipulation of the user's forearm and the device itself, we also describe the use of a cursorless watch user interface that minimizes the need for the user to look down at the device's built-in screen. Finally, we present a sample application that illustrates our interaction techniques.