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“EyeMouse”: An interaction device for severely motor-disabled people

“EyeMouse”: An interaction device for severely motor-disabled people. Carlo Colombo, Massimiliano Corsini Media Integration and Communication Center University of Florence. EyeMouse. Human-machine interaction system replacing the mouse with eye movements.

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“EyeMouse”: An interaction device for severely motor-disabled people

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  1. “EyeMouse”: An interaction device for severely motor-disabled people Carlo Colombo, Massimiliano Corsini Media Integration and Communication Center University of Florence

  2. EyeMouse • Human-machine interaction system replacing the mouse with eye movements • Designed to exploit the residual mobility of severely motor-disabled people (e.g. multiple sclerosis)

  3. Interaction • User eye movements are captured through computer vision… • …and then transformed into commands for the on-screen PC interface CVInterpreter Interface commands Live camera images User Screen action feedback

  4. Eye capture • External eye and iris are captured by elastic template matching (snakes) Snake template Iris (circle) external eye (ellipse)

  5. Eye remapping Image plane Screen plane • The iris position in the image is remapped onto the screen plane • The image-to-screen map is calibrated at startup

  6. Mouse functionalities • Navigation: eye movements • Selection: eye persistence, eye blinks • Interface feedback compensates for slight remapping errors

  7. “X” movement

  8. “O” movement

  9. Current work • Accommodation of head motion • Automatic recovery of tracking errors for prolongated interaction

  10. Contacts Prof. Carlo Colombo Dipartimento Sistemi e Informatica Via S. Marta 3 – Firenze Centro di Eccellenza MIUR per la Comunicazione e Integrazione dei Media Sede RAI, Largo A. de Gasperi 1 - Firenze www.dsi.unifi.it/users/colombo colombo@dsi.unifi.it

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