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Application of SEMG in computer mouse access for the disabilities
1Department of Electronic Engineering, Hwa-Hsia College of Technology and Commerce, Taipei Hsien, Taiwan, ROC. allen@cchwh.edu.tw
Disability and Rehabilitation
|March 8, 2003
Summary
This study introduces a faster computer control method using a single mouse input window and surface electromyographic (SEMG) sensing. This innovation significantly reduces operating time, benefiting computer accessibility for individuals with disabilities.
Area of Science:
- Human-Computer Interaction
- Rehabilitation Engineering
- Biomedical Engineering
Background:
- Traditional row-column scanning interfaces for computer control can be slow and inefficient.
- Single-key control of composite keyboard-mouse panels presents accessibility challenges.
Purpose of the Study:
- To enhance the operating speed of single-key controlled keyboard-mouse composite panels.
- To develop a more efficient computer input method for users, including those with disabilities.
Main Methods:
- Implemented a single mouse input control window to bypass unnecessary keyboard character scanning.
- Integrated surface electromyographic (SEMG) sensing as an alternative input method.
- Compared operating times between the new system and traditional single-key control panels.
Main Results:
- The new system with SEMG input achieved an average operating time of 121.3 ± 8.9 seconds.
- The traditional single-key control panel averaged 208.6 ± 10.7 seconds.
- The difference in operating times was statistically significant (p < 0.05).
Conclusions:
- The row-column scanning method with a single mouse control window and SEMG input significantly decreases computer operating time.
- This system offers a viable solution for computer operation by individuals with disabilities, promoting independent living.