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1 Journal of Medical Informatics & Technologies

1 2011

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Application of generalized filters for estimation of fetal heart rate baseline

Pander T., Przybyla T., Wrobel J., Jezewski J., Roj D.

Journal of Medical Informatics & Technologies

2011

Vol. 17

73--79

This paper addresses the problem of impulsive noise cancellation in digital signal area. The myriad and meridian filters are the type of robust filters which are very useful in suppressing the impulsive type of noise. The cost functions of theses filters have very similar structure. In this paper the generalized filter based on Lp norm is presented. The proposed filter operates in a wide range of impulsive noise due to the proper adjustment of p in the Lp norm. The presented filter is applied to suppress an impulsive noise in fetal heart rate (FHR) signal. Simulation results confirm the validity of the proposed filter.