Frames of Reference for Portable Device Interaction

1
Frames of Reference for Portable Device
Interaction

• Sile O'Modhrain
• Sonic Arts Research Centre
• Queens University, Belfast
• sile_at_qub.ac.uk

2
Position Statement

• Increasingly mobile devices are being enhanced by
  the addition of sensors
• These can provide feedback about their location,
  motion and orientation
• Applications for such devices are situated in
  real-world frames of reference
• Device-centred, body-centred, world-centred
• Our work seeks to to build on the users'
  pre-existing skills and expectations from the
  real world
• to support movement-based interactions that may
  transcend these multiple frames of reference.

3
Example Applications

• Tilting Maze Body Mnemonics

4
Example Applications

• Topographic Torch
• GPS and magnetic compass sensing are combined
  with inertial sensing to provide an egocentric
  reference for a city map.

5
Proposal

• As mobile devices become more powerful, the
  designer of applications for the mobile user is
  likely to have to negotiate a design space with
  multiple frames of reference for a user's
  actions.
• Here a better understanding of the senses of
  touch, of the body's motion and its sense of its
  own motion, may be the key to providing a
  meaningful bridge between multiple, interleaved
  and interdependent spaces.