A head movement image (HMI)-controlled computer mouse for people with disabilities

Chen, Y. L.; Chen, W. L.; Kuo, T. S.; Lai, J. S.: A head movement image (HMI)-controlled computer mouse for people with disabilities. I: Disability and Rehablilitation, 2003(25(3)), s. 163-167.Language: Engelsk

Summary: This study proposes image processing and microprocessor technology for use in developing a head movement image (HMI)-controlled computer mouse system for the spinal cord injured (SCI). Method: The system controls the movement and direction of the mouse cursor by capturing head movement images using a marker installed on the users headset. In the clinical trial, this new mouse system was compared with an infrared-controlled mouse system on various tasks with nine subjects with SCI. Results: The results were favourable to the new mouse system. The differences between the new mouse system and the infrared-controlled mouse were reaching statistical significance in each of the test situations (p < 0.05). Conclusions: The HMI-controlled computer mouse improves the input speed. People with disabilities need only wear the headset and move their heads to freely control the movement of the mouse cursor.

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