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Volume 14 / Issue 19

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Using the Optical Flow to Implement a Relative Virtual Mouse Controlled by Head Movements

Tomàs Pallejà (University of Lleida, Spain)

Edgar Rubión (University of Lleida, Spain)

Mercè Teixido (University of Lleida, Spain)

Marcel Tresanchez (University of Lleida, Spain)

Alicia Fernández del Viso (eInclusion Unit, Spain)

Carlos Rebate (eInclusion Unit, Spain)

Jordi Palacin (University of Lleida, Spain)

Abstract: The following paper introduces the work conducted to create a relative virtual mouse based on the interpretation of head movements and face gesture through a low cost camera and the optical flow of the images. This virtual device is designed specifically as an alternative non-contact pointer for people with mobility impairments in the upper extremities and reduced head control. The proposed virtual device was compared with a conventional mouse, a touchpad and a digital joystick. Validation results show performances close to a digital joystick but far away from a conventional mouse.

Keywords: human computer interaction, optical flow, virtual mouse

Categories: D.2.2, D.2.3, D.2.5, H.5.2, J.5