Proceedings of the Acoustical Society of Korea Conference (한국음향학회:학술대회논문집)
- 1992.06a
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- Pages.33-36
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- 1992
An Impulse Noise-Robust Wiener Filter
- Park, Soon-Young (Dept. of Electronic Engineering Mokpo National University)
- Published : 1992.06.01
Abstract
In this paper we propose the impulse noise-robust Wiener filter based on a combination of Wiener and modified trimmed mean(MTM) filters. The robust Wiener filter uses the trimming operation of the MTM filter to replace the outliers with the median within the window and the new set of samples which can be considered as the random process with same mean are inputted into the following Wiener filter. We show that the robust Wiener filter is effective in frequency selective filtering of nonstationary signals while preserving signal edges with the rejection of impulse noise.
Keywords