Using the Optical Flow to Implement a Relative Virtual Mouse Controlled by Head Movements
Tomàs Pallejà, Edgar Rubión Soler, Mercè Teixidó, Marcel Tresánchez, Alicia Fernández del Viso, Carlos Rebate Sánchez, Jordi Palacín · 2008
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 noncontact 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.