EEG Signal Enhancement – FIRParzen Window Filter Method
Journal Title: American journal of Engineering Research - Year 2018, Vol 7, Issue 6
Abstract
Most times the illness of the brain is diagnosed with the electrical signal that is generated from the brain. The electrical potential that emanates from the brain is called the electroencephalogram (EEG). EEG is measured and recorded with an electronic device known as the electroencephalograph. The signal gives vital information about the wellness of the human brain. One of the challenges of the treatment of the brain illness occurs when EEG is recorded alongside with order unwanted signals generated around the brain. These unwanted signals are electrical potentials discharged due to the movement of the eye and blinking of the eye, electrical potentials discharged due to heart beat and electrical potentials discharged due to muscle movement as well as electrical potentials discharged due to the interference of electricity supplied to the EEG device. This work introduces a finite impulse response (FIR) filter modeled withParzen window to reduce 50HZ power line interference from EEG Signal. The researcher used a real life EEG signal obtained from a patient to demonstrate the potency of the filter in a MATLAB environment. It was successfully demonstrated that Parzen window-based FIR filter effectively cancelled out 5mV 50HZpower line interference from the EEG signal.
Authors and Affiliations
V. O. Mmeremikwu, C. B. Mbachu
Keywords
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