On description of impulsive noise removal using PWL filter model

Abstract

The classical method for impulsive noise removal in image signals consists of two steps, i.e., a step for impulse detection and a step for estimation of the pixels corrupted by impulsive noise. In this paper, we show that the step of impulse detection can be described very suitably by piecewise-linear (PWL) functions which explains intuitively the process… (More)
DOI: 10.1109/ICASSP.1997.595371

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