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Related Experiment Videos

Controlling mouse pointer position using an infrared head-operated joystick.

D G Evans1, R Drew, P Blenkhorn

  • 1Department of Computation, University of Manchester Institute of Science and Technology, UK.

IEEE Transactions on Rehabilitation Engineering : a Publication of the IEEE Engineering in Medicine and Biology Society
|April 25, 2000
PubMed
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Disabled users effectively adapt to a low-cost, head-operated joystick, preferring its relative control over absolute mouse control. Visual feedback aids compensation for device non-linearities.

Area of Science:

  • Assistive technology
  • Human-computer interaction
  • Biomedical engineering

Background:

  • Head-operated pointing devices are crucial for individuals with disabilities.
  • Existing solutions often face challenges in cost and usability.
  • Technological advancements are needed to improve accessibility.

Purpose of the Study:

  • To design and evaluate a low-cost head-operated joystick.
  • To explore technological approaches for head-operated mouse control.
  • To compare user preference between joystick and mouse control paradigms for disabled users.

Main Methods:

  • Development of a head-operated joystick using infrared (IR) light-emitting diodes (LEDs) and photodetectors.
  • Conversion of head position data into signals emulating a Microsoft mouse.

Related Experiment Videos

  • Informal user trials with disabled individuals to assess usability and preference.

    • Main Results:

    • Users demonstrated natural compensation for non-ideal device characteristics through visual feedback.
    • Disabled users showed a preference for the relative control of a joystick over an absolute mouse control.
    • The developed head-operated joystick proved to be a viable assistive technology.

    Conclusions:

    • Head-operated joysticks offer a preferred control method for disabled users.
    • Visual feedback is a key factor in overcoming device non-linearities.
    • Low-cost, head-operated assistive devices can significantly enhance computer accessibility.