Title :
Elimination of power line interference and noise in electrocardiogram using constrained eigenfilter
Author :
Tseng, Chien-Cheng ; Lee, Su-Ling
Author_Institution :
Dept. of Comput. & Commun. Eng., Nat. Kaohsiung First Univ. of Technol. & Sci., Taiwan
Abstract :
In this paper, an eigenfilter is presented to eliminate 60-Hz power line interference and noise in the electrocardiogram. The filter is designed by maximizing the signal to noise ratio under the constraint that 60-Hz interference is zero-valued at filter output. The optimal filter coefficients are obtained from the eigenvector associated with maximum eigenvalue of a correlation matrix. Several experiments are made to demonstrate the performance of our method
Keywords :
FIR filters; eigenvalues and eigenfunctions; electrocardiography; filtering theory; interference (signal); medical signal processing; constrained eigenfilter; correlation matrix; eigenvector; electrocardiogram; filter output; optimal filter coefficients; power line interference; signal to noise ratio; Eigenvalues and eigenfunctions; Electrocardiography; Finite impulse response filter; Frequency; IIR filters; Interference constraints; Interference elimination; Signal design; Signal to noise ratio; White noise;
Conference_Titel :
Circuits and Systems, 2001. ISCAS 2001. The 2001 IEEE International Symposium on
Conference_Location :
Sydney, NSW
Print_ISBN :
0-7803-6685-9
DOI :
10.1109/ISCAS.2001.921093
