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

Yu Luen Chen*, Weoi Luen Chen, Te Son Kuo, Jin Shin Lai

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

40 Scopus citations


Purpose: 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 user's 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.

Original languageEnglish
Pages (from-to)163-167
Number of pages5
JournalDisability and Rehabilitation
Issue number3
StatePublished - 04 02 2003
Externally publishedYes


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