Mouse Cursor-like Control System in Consideration of the DC-EOG Signals using EOG-sEMG Human Interface

Patients who suffered with the limb disorders cannot take care of themselves by communication barrier. However, it is possible to improve the communication abilities of the patients by using biological signal such as ocular potential and muscle potential which is caused by moving eyes or facial muscle. Therefore, we have developed the human interface using the electrooculogram (EOG) and the facial surface electromyogram (sEMG) signals which can control PC. However, this system could not control the mouse cursor in accordance with the direction and magnitude of the movement of eyes to control PC smoothly and intuitively. Thus, we proposed a new mouse cursor-like control system in consideration of the DC elements of EOG signals using the EOG-sEMG human interface. Our proposed method has both drift and blink countermeasures which had better performance in mouse cursor control, and all subjects could control the mouse cursor for both moving and clicking flexibility.